Questions Asked on
April 21, 2010

Gen cmehistry
Calculate the hydroxide ion concentration in an aqueous solution that contains 3.50 x 103 M in hydronium ion.

Physics
A nonrotating cylindrical disk of moment of inertia I is dropped onto an identical disk rotating at angular speed w. Assuming no external torques, what is the final common angular speed of the two disks?

English
1.Having studied small engine repair in night school, fixing the lawn mower was easy. misplaced modifier dangling modifier faulty predication incomplete comparison Question 2 When I asked for a submarine, the convenience store clerk said he didn't have

corporate finance
you are thinking of retiring. your retirement plan will pay you either $250,000 immediately on retirement or $350,000 five years after the date of your retirement. which alternative should you chose if the interest rate is a) 0% per year; b) 8% per year

English
Question 22 Identify the type of organization used in the following sentence: I went to the buffet six times, and I still saved room for dessert. subordination coordination religious secular Question 23 Identify the type of organization in the following

CHEMISTRY
Hello, I am having trouble balancing this redox reaction WITHOUT using the halfreaction method. I believe this is because not all of the elements are in (aq). BrO3(aq) + N2H4(g) > Br(aq) + N2(g) Br is reduced by a factor of 6. N is oxidized by a

English
Here the once embattled farmers stood and fired the shot heard round the world. metaphor simile personification hyperbole D hyperbole

Chemistry
For which of the following atoms is the 2+ ion paramagnetic? Sn Mg Zn Mn Ba The answer is Mn. How do you figure this question out?

English
Question 17 Mortality weighs heavily upon me like an unwilling sleep. Samuel Johnson metaphor simile personification hyperbole my answer B

punctuation and grammar
My little sister is a big baby; she cries all the time. is this punctuation right? compound sentences use semicolons but i am not sure if this is one?

math/geometry pls help
A coin of radius 1 cm is tossed onto a plane surface that has been tesselated by right triangles whose sides are 8 cm, 15 cm, and 17 cm long. What is the probability that the coin lands within one of the triangles?

Finance
Brown Enterprises’ bonds currently sell for $1,025. They have a 9year maturity, an annual coupon of $80, and a par value of $1,000. What is their current yield? 7.80% 7.90% 9.00% 9.10% 9.20%

English
The reason she is not here is because she is ill. misplaced modifier dangling modifier faulty predication incomplete comparison answer A

English
Question 15 When is the blessed event supposed to take place? Blessed event is jargon sexist language euphemism colloquial my answer D

English
Since I was hungry again in an hour, I went to Whataburger. secular religious subordination coordination my answer coordination

English
When is the blessed event supposed to take place? Blessed event is jargon sexist language euphemism colloquial I want to say euphemism but Jargon is everyday language that we use.

physic
In an accidental explosion, a satellite breaks in half while in circular orbit about Earth. One half is brought momentarily to rest. What is the fate of the half brought to rest? What happens to the other half?

algebra
d=55t solve for t: help me to understand how to do this

physics
Suppose an occlusion in an artery reduces its diameter by 22%, but the volume flow rate of blood in the artery remains the same. By what factor has the pressure drop across the length of this artery increased?

physics
A physics student sits by the open window on a train moving at 25 m/sec towards the east. Her boyfriend is standing on the station platform, sadly watching her leave. When the train is 150 meters form the station, it emits a whistle at a frequency of 3000

physics
The moon has a mass of 7.35 E 22 kg and is located 3.84 E 8 meters from the Earth. If Ellen, an earthling, has a mass of 47 kg, what is the gravitational force between Ellen and the moon?

Financial Management
A firm's stock is selling for $85, Dividend yield=5%. A 7% growth rate is expected for the common stock. The firm's tax rate is 32%. (question) What is the firm's cost of retained earnings? a)8.16% b)12.00% c)12.35% d)cannot be determined

Geography
What is the correct political geography term to describe what New Jersey, California, and Illinois are?

EnglishPoetry
My Guilt When I was a child I walked two miles to school accompanied by a neighbor boy two years younger. Freddie was fat and freckle faced with wheatstraw hair and a mean stepmother. It was late fall and one day his father bought him a new winter cap. It

English
But time did beckon to the flowers. Herbert metaphor simile personification hyperbole my answer simile

English
He flunked the chemistry test. Flunked is jargon sexist language euphemism colloquial my answer D

8th grade chemistry
2CuSO4 what does the information above represent? (A) two molecules made of one copper atom, one sulfur atom, and four oxygen atoms. (B) two elements made of one copper atom, one sulfur atom, and four oxygen atoms. (C) two copper atoms, one sulfur atom,

physics
When a 2.60kg object is hung vertically on a certain light spring described by Hooke's law, the spring stretches 2.30 cm. (a) What is the force constant of the spring? (b) If the 2.60kg object is removed, how far will the spring stretch if a 1.30kg

Gen cmehistry
is [Ag(NH3)2]+ [Mn(CN)6]3 [CrCl3(H2O)3] are any of these colorless?

Gen cmehistry
is [Ag(NH3)2]+ [Mn(CN)6]3 [CrCl3(H2O)3] are any of these colorless?

Chemistry
HelpI'm really confusedThe barometric pressure in my area is 1014 and the temperature is 61 degrees farhenheit. I am suppose to have an imaginary balloon that contains 22 grams of carbon dioxide. Calculate the volume in liters of the balloon using the

English
I went back and checked my answers Select the most effective sentence. Baxter worried about his English exam when he thought about it. Baxter felt a pang of existential anxiety when he comtemplated his English exam. When Baxter thought of his English test,

English
Question 3 I always think linen napkins are nicer. midplaced modifier dangling modifierfa faulty predication incomplete comparison Answer A

English
Question 12 He wrote a hot check. The word hot is used poorly clearly connotatively denotatively Question 13 Hot flames poured out of the grill. The word hot is used poorly clearly connotatively denotatively my answer 12. poorly because its slang for bad

English
Question 11 He brought home a new car  large, fireengine red, fast, and which he could not afford. unclear pronoun reference lack of parallelism mixed metaphor simile my answer c. mixed metaphor

English
Question 14 Have you booted the disk? The word booted is jargon sexist language euphemism regional my answer A

algebra
write and solve an inequality. on a trip from virginia to florida, the sampson family wants to travel at least 420 miles in 8 hours. what must be their average rate of speed?

math
for the quadratic equation x^2+4x+2=0 which two option are correct solutions? 1)3.414 2)2.764 3)1.382 4)0.586 5)1.381 6)1.382 7)3.981 8)4.625

English
Question 16 The male nurse left the room. Male nurse is jargon sexist language euphemism colloquial my answer B

the elements and principles of design
1. Which one of the following factors is one of the principles of design? A. Form C. Pattern B. Color D. Balance 2. Of the following expressions, which best describes the concept of harmony in a room’s decor? A. A consistency of mood B. Strongly

English
Question 21 Select the most effective sentence. Baxter worried about his English exam when he thought about it. Baxter felt a pang of existential anxiety when he comtemplated his English exam. When Baxter thought of his English test, he freaked out.

statistics
Use the given information to find the Pvalue. Also, use a 0.05 significance level and state the conclusion about the null hypothesis (reject the null hypothesis or fail to reject the null hypothesis). 1) Vvith H1: p * 0.733, the test statistic is z =

English
Question 21 Select the most effective sentence. Baxter worried about his English exam when he thought about it. Baxter felt a pang of existential anxiety when he comtemplated his English exam. When Baxter thought of his English test, he freaked out.

chemistry
A flask containing air is heated from 300K to 400K. the percentage of air escaped out is..

science
What characteristic are protist classified.

8th grd chemistry:D
which of these statements is true about an atom of chromium? (A) has more protons then electrons. (B) has fewer parts than an atom of iron. (C) has an atomic number of 51.996. (D) has more electrons than neutrons.

economics
which of the following are government purchases of goods and services and which are government transfer payments?a.the apollo,b.subsidy to agriculture and industry,c.social security,d.salary received by federal employee,e.unemployment benefits paid to a

college chemistry
Suppose you have a 0.200 M solution of the nitrogencontaining weak base NX. Suppose you wish to titrate 25 mL of this 0.200 M NX solution with a 0.100 M solution of the strong acid HNO3. Given that the Kb value of NX is 6.50x105, complete each of the

math
what is 18/21 in its simplest form

Algebra
d=55t I need to be shown the operations to get the answer. I really don't get this

economics
if the government gives $1,000 of food stamps to a poor family,will the family now have $1,000 more food than before?

sociology
what are the manifest and latent functions of a health club?

math
what combination of seven coins totals 27 grams?

English
Which of the following is a compound subject? cats and dogs twentytwo miles cats or dogs each girl or boy my answer cats and dogs

math
what is 38% of $40.00?

Chemistry
What would be the product of the reaction of 4methyl pyridine with Ac2O/AcOH and PhCHO? I'm really stuck on this. I'm guessing the pyridine will attack the anhydride and form an acyl pyridinium ion but I'm not sure where to go from there. If that reacts

Math
How many positive threedigit integers have the property that the tens digit is greater than or equal to the hundreds digit and the ones digit is greater than or equal to the tens digit? Please help :) thanks Zach

Business
Consider the wide spectrum of business organizations, ranging from gigantic corporations to working at home. Describe at least three types of business organizations that you are familiar with or that you would like to know more about. How is each one

Geometry help
A parallelogram has a 7inch side and a 9inch side, and the longer diagonal is 14 inches long. Find the length of the other diagonal. Do you need your calculator to do it? then, (Continuation) Evaluate 72 + 92 + 72 + 92 − 142 − d2, where d is the

COM 220
How do I support a thesis statement on same sex marriage?

Financial Management
A 10 year bond pays 11% interest on a $1000 face value annually. If it currently sells for $1,195, What is its approximate yield to maturity? a)9.33% b)7.94% c)12.66% d)8.10%

math
A student claims that if a fair coin is tossed and comes up heads 5 times in a row, then, according to the law of averages, the probability of tails on the next toss is greater than the probability of heads. What is your reply? would this be the answer No

Thermodynamics and Heat Transfer
A steam pipe is 75 mm external diameter and is 80 m long. It conveys steam at a rate of 1000 kg/h at a pressure of 2 Mpa. The steam enters the pipe with a dryness fraction of 0.98 and is to leave the pipe with a dryness of not less than 0.96. The pipe must

Financial Management
Debreu Beverages has an optimal capital structure that is 50% common equity,40% debt, 10% preferred stock. Debreu's pretax cost of equity is 12%, pretax cost of preferred equity is 7%, pretax cost of debt is also 7%. If the corporate tax rate is 35%. What

English
When I asked for a submarine, the convenience store clerk said he didn't have kits for making model ships with a confused look. misplaced modifier dangling modifier faulty predication incomplete comparison answer A

math
(perimeter of my square) divided by ( sum of 2 sidelengths of my square)=

accounting280
Instructions Enter the trial balance on a worksheet and complete the worksheet. E42 The adjusted trial balance columns of the worksheet for Goode Company are as follows. GOODE COMPANY Worksheet (partial) For the Month Ended April 30, 2008 Adjusted Trial

English
Question 7 Some used car salesmen twist the truth. Be careful when you talk to them. This sentence shifts in mood voice and subject person number my answer A. MOOD

English
Question 8 If one smokes cigarettes, you run the risk of getting lung cancer. number mood tense person my answer A. MOOD

math
you take a threequestion multiplechoice test.each question has four choices.you don't know any of the answers. what is the experimental probability that you will guess exactly two out of three correctly please help me i am confused

math
choose 2 correct option about motion in a straight line. 1. if a vechile has a zero velocity it must be stationary 2.the graph of position against time has to be a st.line 3.acceleration is the rate of change of speed 4.velocity is the rate of change of

SCIENCE
SUNLIGHT AND WIND ARE INEXHAUSTIBLE RESOURCES. EXPLAIN WHY THEY ARENT USED TO PRODUCED ALL OF OUR ENGERY

English
13Hot flames poured out of the grill. The word hot is used poorly clearly connotatively denotatively my answer C

English
I went to the buffet six times, and I still saved room for dessert. subordination coordination religious secular my answer coordination

Chemistry
What three conversion factors are often used in mole conversions?

Calculus
After Lee gives his little sister Kara a big push on a swing, her horizontal position as a function of time is given by the equation x(t)= 3cost(e^0.05t), where x(t) is her horizontal displacement, in metres, from the lowest point of her swing, as a

English
Question 19 But time did beckon to the flowers. Herbert metaphor simile personification hyperbole A

Calc
The slope of the tangent line to the parabola y=4x2–3x+5 at the point where x=–5 is: (43) The equation of this tangent line can be written in the form y=mx+b where m is: (43) and where b is:_____________?

Calculus
what is the second derivative of: Y= 50/ (1 + 4e^ .1t)

English
1. He went to the teachers' room. There were many teachers, and he was able to see some students scolded by a teacher. 2. The native speaker has his office. In the teacher's office, we talked with the foreign speaker. 3. The teacher's room is a little

MATH
on a tv game show,you try to win a prize that is hidden behind one of the three doors.after you choose a door, but before it is open,the host opens one of the other doors,behind which there is no prize.you can then switch the remaining closed door or stay

socials 9
What was the Reign of Terror? If you asked Robespierre how he, a man once opposed to the death penalty, could then approve of the Reign of terror, what would he say? Write a short speech that Robespierre might have given to the committee of Public Safety

algebra
The base of a triangle is 7cm greater than the height. the area is 60cm^2. find the height and the lenght of the base.

9th gradeenglish
compare the reactions of juliet's mother and father when paris proposes marriage to their daughter

economics
the local city gave $500 worth of clothing to all the poor families in town.therefore, these families will have $500 more clothing than before."is this correct?

Maths
Any help with the following would be greatly appreciated. I don't understand how to use the information given to create the equation. 1) A car travels between A and B at an average speed of 60 km/h. If the car increased its average speed to 100 km/h it

chemistry
The mass of FeSO4.7H2O required to prepare 500mL of 280ppm Fe2+solutin is

AP Physics
Monochromatic light falls on two very narrow slits 0.050 mm apart. Successive fringes on a screen 4.60 m away are 5.7 cm apart near the center of the pattern. Determine the wavelength and frequency of the light. wavelength nm frequency Hz

HCA/220
How might a foundation in medical technology help you in fulfilling your education? How might a basic understanding of medical terminology benefit you personally?

AP Physics
Monochromatic light falls on two very narrow slits 0.050 mm apart. Successive fringes on a screen 4.60 m away are 5.7 cm apart near the center of the pattern. Determine the wavelength and frequency of the light. wavelength nm frequency Hz

math
i have 400.00 in a bank account and the bank pays me 6 1/2% interest, how much interest will i earn?

physics
if you fire a ball through a pile of sand, it iwll slow ddown in the sand and emerge at less that its initial speed. But when light shines pn a pane of glass, even though it slows down inside, its speed upon emerging is the same as its initial speed.

science
explain how pouring water on a fire puts the fire out in more than 1 way

Stats
The scores on a mathematics exam have a mean of 65 and a standard deviation of 7. Find the xvalue that corresponds to the zscore 1.645.

science
explain how pouring water on a fire puts the fire out in more than 1 way

Management
What steps would you recommend your manager take to implement the planning tecnique of scenariao planning

Psycology
The DSMIV is an important tool for clinicians. It provides a standard for diagnoses to be standardized across psychology; however, the DSMIV is not as precise for diagnosing personality disorders as some psychologists would like. Give an example of each

English
Can you please tell me if the following words related to clothes and fashion are still used in English? As I'm not a mother tongue speaker, I need your supervision.I also included three descriptions at the end. 1) She is always

IT
Design a system which will take in the results for the five criterion levels of achievement for each phase of the design cycle: Investigate, Design, Plan, Create and evaluate. The system will then calculate the average and round up to the nearest decimal

English
Thank you very much for your last corrections. Can you please tell me if the following sentences are possible? 1) She is wearing a zipup tracksuit top with a hood or a hooded zipup top? 2) Is this adjective order correct: opinion, size, shape, color,

chem
What is the pH of a solution prepared by adding 4.000 grams of NaOH to a 50.00 mL of a buffer that is 2.00 molar both in acetic acid and sodium acetate? (Assume final volume is still 50.00 mL)

math
use the percent proportion to solve for the unknown value: whole=48 percent= 25

chemistry
Can Anyone Help Me With This Solubility Problem? An aqueous solution of 1.90 M AgNO3 is slowly added from a buret to an aqueous solution of 0.0100 M Cl and 0.250 M I. b) When the second ion begins to precipitate, what is the remaining concentration of

bege 101
give example of literary and nonliterary prose by citing examples from any of your choice350 words

math
i have $30.00 to spend on a dress the sales tax is 5%.About (estimate)how much can the dress cost if i want to spend all my money? need an answer ive done this over and over but confused on the estimate part.

EnglishPoetry
This is the same poem I've been working on a couple of weeks ago. I have finished the ending, and would like some of your help. It will say somewhere in my poem(Any suggestions) I will appreciate all the help you could give me. Thank you very much:) The

9th grade
james accidentally spills 2 containers, mixing their contents. he checks and finds that 1 contains salt crystals while the other contained powdered sand. describe a method that he might use to separate the 2 mixtures without losing any of either mixture.

math
how do you find the surface area and volume?

Math
Did I do this problem right? Add. (x^92)+(x^9+2). Here is what I did: (x+x)^9+(2+2) 2x^9+0 Is this correct? If not could you please explain it to me? Thanks.

math
i have $30.00 to spend on a dress the sales tax is 5%.About (estimate)how much can the dress cost if i want to spend all my money? need an answer ive done this over and over but confused on the estimate part. 30.00 x.005%= 29.50 but what is the estimate

9th grade science
explain how pouring water on a fire puts out the fire in more than 1 way

business
Global Reader is a 5 year old Ecompany that grew from $1 million in sales in the second year to $8 million in sales. They have created the industry’s first portable book reader that provides any book in four major languages. They have manufacturing

com 425
Discuss the following cultural differences you have observed in your workplace and how these differences affected communication? Styles of dress Different uses of time, views of punctuality, etc.

9 grade science
describe the properties of diamonds that makes so valuable as gemstones/// industrial cutting stones

Geometry need help pls
A. A parallelogram has a 7inch side and a 9inch side, and the longer diagonal is 14 inches long. Find the length of the other diagonal. Do you need your calculator to do it? B. (Continuation) Evaluate 72 + 92 + 72 + 92 − 142 − d2, where d is the

English
Wait I do not get this when and whent i look online and it said that whent isn't a word but how do i say something like this: I whent home. or is it I when home. Any i'm no good at past tenses

geography
what are the consequences of marine diamond mining.

math
if you have a 40 m coil how many 20 cm piceces can you cut from the coil

algebra
express the decimal equivalent of 13/49 to nearest hundredth

Calculus
Consider the infinite series of the form: (+/)3(+/)1(+/)(1/3)(+/)(1/9)(+/)(1/27)(+/)...(+/)(1/3^n)(+/)... (A) Find x and y from: x(

math
calculate the surface area of each prism. length 9cm width 4cm hieght 8cm

MATH please help with this ?
math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is 32ft/s^2,find the macimum height of the professor. b) find the time

English
There are a popular sandwich shop in our area that serves the meats, cheeses, and dressings on the sandwich and top the fillings with french fries and coleslaw. my answer There is a popular sandwich shop in our area that serves the meats,cheeses and

Math! plz help!
Calculate the future value of quarterly payments of $1200 for 5 years, if the rate of interest was 10% compounded quarterly for the first 2 years and will be 9% compounded quarterly for the last 3 years. I solved for both which i got aFV= $10483.34 bFV=

college chemistry
In class, we discussed the titration of a 50.0 mL sample of 0.100 M HCL with a 0.100 M solution of NaOH. How would this system change if we used a 0.100 M solution of Sr(OH)2 instead of NaOH? To answer this question, complete each of the following: a) What

7 grade math
a scale model race car is 11in. long,3in. wide,2in. tall.the actual race car is 22ft. how wide is the actual race car?

math pls
The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60degree angle at P. (d) Find the sizes of the other two angles of triangle PQR. (e) Find the length of the median drawn to side PQ. (f) Find the length of the

writing
i need help with full sentence outline on affirmative action

AP Chemistry
The question asked... Calculate the solubility of calcium sulfate in grams solute per 100 grams solvent. Assume that the volume occupied by the solute in the solution in negligibly small. I solved and got 4.9 x 10 ^3 mol/L... how do I put this in grams

physics
If you throw a ball straight out horizontal to the ground and your friend drops a ball from the same height, will the balls hit the ground at the same time?

college chemistry
Consider the titration of a 50.0 mL sample of a 0.100 M solution of the triprotic weak acid citric acid (H3C6H5O7) with 0.100 M KOH. For citric acid, the three (3) acid dissociation constant values are ka1 = 7.40x103, ka2 = 1.70x105, and ka3 = 4.00x107,

college
if y=kx/square root of w find k when y=4 x=12 and w =4 I have an answer of 16/3 and I believe that the correct answer is 2/3 am I right.

physics
A 0.50 kg mass at the end of a spring vibrates 6.0 times per second with an amplitude of 0.18 m. (a) Determine the velocity when it passes the equilibrium point. 1Your answer is incorrect. m/s (b) Determine the velocity when it is 0.02 m from equilibrium.

8th grade Social studies
Poeple who settled the west

math
(64)^2/6=(64)^1/3

economics
the government in mortorania buys $20 million in goods and services,collects $15 million in taxes,and borrows the remaining $5 million.its taxes produce no dead weight costs.what is the cost of government in mortorania?

literature
When does the Narrative of Sojourner Truth take place

commas and run on sentences
Question 5 Identify the correctly punctuated sentence below. His hair was oiled and slick, as a result, the girl found him unattractive. His hair was oiled and slick; as a result, the girl found him unattractive, she left without a word. His hair was oiled

Prealgebra
Factor the expression 14+21c

computer programming c++
c++ program questoin A particular talent competition has 5 judges, each of whom awards a score between 0 and 10 to each performer. Fractional scores, such as 8.3, are allowed. A performer’s final score is determined by dropping the highest and lowest

chem  br bob is this right
What is the pH of a solution prepared by adding 4.000 grams of NaOH to a 50.00 mL of a buffer that is 2.00 molar both in acetic acid and sodium acetate? (Assume final volume is still 50.00 mL) * chem  DrBob222, Wednesday, April 21, 2010 at 10:52pm * chem

Chemistry 102
A certain municipal water sample contains 46.1 mg SO42/L and 30.6 mg Cl /L. How many drops (1 drop = 0.05 mL) of 0.0010 M AgNO3 must be added to 1.00 L of this water to just produce a precipitate? What will this precipitate be? How do i start this

Another Poem
A series of Lies Poem A Tell a series of lies about yourself B.Begin with the line, “I wish I were not so...” C.End the poem with an “if” section. Here is an example: I wish I were not so brilliant. My incredible mind overflows with ideas Weighing

Physics Waves
Earthquakes are essentially sound waves traveling through the earth. They are called seismic waves. Because the earth is solid, it can support both longitudinal and transverse seismic waves. These travel at different speeds. The speed of longitudinal

math
complete this expressions (+2)(+2)=?

Intro to Technology: repost
Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and

Biology
Please give an example of natural selection that does not include a predator/prey relationship.

math
how do i use the formula a=pe^rt to solve 15000. at 4.6% for 4yrs

science
Give an example of a physical change and a chemical change for iron

american government
is the united states supreme court the most powerful court or is it the united states superior court? or are they the same thing?

chemistry
is molar enthalpy affected if the system is a solid rather than a liquid

CHEMISTRY HELP DESPERATELY NEEDDED!!!
Given: N2O4 (g) « 2NO2 (g) @ 25 degrees celcius, Kc is 5.84 x 10^3. (A) Calculate the equilibrium concentrations of both gases when 4.00 grams of N2O4 is placed in a 2.00 L flask at 25 degrees celcius. (B) What will be the new equilibrium concentrations

economics
in econimics, goods are things that can be seen or touched and service are useful works,something that is done for someone else? is this true or false?

hoq 2 scare my lil sister?
how can i scare my little sister shes 13 im 15 just feel like gettin her scared she always scares me lol any1 not something 2 kill her but something funny?

math
Janet can shovel snow from her driveway in 55 min. Tom can do the same job in 30 min. How long would it taket Janet and Tom to shovel the driveway if they worked together?

Naming Ionic Compounds
What r monvalent metals? Are they metals that have only one possible ion charge? Any other information would be greatly appreciated, thanks

physics
What is the heat capacity of 20.0 kg of silver? kcal/K

math
The speed of a train A is 8mph slower than the speed of train B. Train A travels 230 miles in same time it takes train B to travel 270 miles. Find the speed of each train.

math
on a tv game show,you try to win a prize that is hidden behind one of the three doors.after you choose a door, but before it is open,the host opens one of the other doors,behind which there is no prize.you can then switch the remaining closed door or stay

physics
A rigid container of nitrogen gas (N2) at 24° C contains 440 L at a pressure of 3.5 atm. If 26.6 kJ of heat are added to the container, what will be the new temperature of the gas?° C

College Algebra
Can you think of an example of a reallife problem involving polynomials?

Math
Could someone please help me with this problem. I have worked most of it out but now I'm not sure what to do. Multiply ans simplify. (x9/4)(x+4/9) Here is what I have so far: x(x+4/9)9/4(x+4/9)= x^2+4/9x9/4x9/44/9= x^2+4/9x9/4x1= This is where I'm

COM/220
I need a little help..I am writing a research paper on cyberbullying. I need to find a website that has statistics over the last few years on the increase of this and an idea for a chart or graph of some sort to list it on. Anyone have any ideas?

Physics
A heater cansupply 98000J an hour. If a lot of ice is already at 0 degrees, how much ice can be turned to water? check my work please: Q/l=m 98000J/kg / 3.35 * 10^5J = 029kg of ice can be turned to water

Trigonometry
Solve for x: 1. 2sin(2x)+cos(x)=0 2. cos(2x)=2sin(x) 3. tan(x)=2sin(x)

college algebra
Suppose that the number of new homes built, H, in a city over a period of time, t, is graphed on a rectangular coordinate system where time is on the horizontal axis. Suppose that the number of homes built can be modeled by an exponential function, H= p *

science
what is the oort and were is it located

Math
What is the angle measure for a section in a circle graph that represents 38%?

PreAlgebra
3k/5+44=12k/25+8

physics
An electronic point source emits sound isotropically at a frequency of 3000 Hz and a power of 34 watts. A small microphone has an area of 0.75 cm2 and is located 158 meters from the point source. a) What is the sound intensity at the microphone ? To find

Physics
A friend asks for money to market a new product he invented. He claims to have invented a "cold plate" that works like a hot plate and will cool down foods and liquids that are placed on it. Should you invest?? Should I be thinking about the second law of

Physics
You swing one yoyo around your head in a horizontal circle. Then you swing another yoyo with twice the mass of the first one, but you don't change the length of the string or the period. How do the tensions in the strings differ?

English
Use plural verbs for ________. words such as pants and eyeglasses titles of written works words such as economics and physics an amount as a subject my answer An amount as a subject

science
how many tablespoons of sugar salt baking soda and sand does it take to dissolve in one cup of water

English
Use singular verbs for _______. names of companies compound subjects collective nouns when they refer to members acting individually words such as jeans and thanks my answer collective nouns when they refer to members acting individually

Global History
What kinds of conflicts resulted from the global confrontation between the two superpowers Soviet Union and US

English
1.Having studied small engine repair in night school, fixing the lawn mower was easy. misplaced modifier dangling modifier faulty predication incomplete comparison Question 2 When I asked for a submarine, the convenience store clerk said he didn't have

geometry/math pls help
The lengths of segments PQ and PR are 8 inches and 5 inches, respectively, and they make a 60degree angle at P. (1) Find the sizes of the other two angles of triangle PQR. (2) Find the length of the median drawn to side PQ. (3) Find the length of the

english
Trying to write a full sentence about drugs that includes effective arguments and counter arguments to support my thesis

Chemistry
Which aqueous solution has a freezing point closer to its predicted value 0.01 m NaBr or 0.01 m MgCl2?

physics
A 5.0 N force directed to the west acts on an object for 2.0 seconds. What is the change in momentum of the object? Do I have to divide 5.0 by 2.0 in order to get the momentum or multiply?

Chemistry 102
The Ksp for cerium iodate, Ce(IO3)3 is 3.2 e10. What is the molar solubility of Ce ion in pure water? = .0019 M B) A 0.031 M sodium iodate is added as a common ion. What is the concentration of Ce ion with the common ion present? C) What is the ratio of

English
1. I like taking picutures of myself. 2. I like taking pictures of me. (Are both grammatical?)

6th Grade Math
This is fractions. Not dividing problems. (Ex: 3/5 is a fraction) 5c = 2/3 (divided by) 2/3

language arts
I need help finding Literary Terms.

socials 9
. What was the Reign of Terror? If you asked Robespierre how he, a man once opposed to the death penalty, could then approve of the Reign of terror, what would he say? Write a short speech that Robespierre might have given to the committee of Public Safety

math 213
A manufacturer produces the same kind of computer chip in two plants. In the first plant, the ratio of defective chips to good chips is 15:100 and in the second plant, that ratio is 12:100. A buyer of a large number of chips is aware that some come from

anatomy and psysiology
what area of the spinal cord is destroyed when a person gets polio?

Math
In a AAA map of Ohio, 1 inch equals approximately 10 miles or 18 kilometers. If the distance on the map between Paulding and Eaton is 9.8 inches, how many kilometers is it between the two towns?

Literacy
Discuss whether or not believe teaching classes intwo languages(Billingual) is a practical solution for English Language Learners?What are the advantages and disadvantage?

Naming Ionic Compounds
Can you please have a look at my questions. Thank you very much in return:) 1. Will 2 metals develop an ionic compound? Clarify. I don't think they will, but I don't know how to explain. I only know that in order to form ionic compounds, the total number

Math
A U.S. nickel contains 3 ounces of copper for every ounce of nickel. How much nickel is required for 14 pounds of copper? (if someone could explain to me what to do) Thanks

physics
Gravitational force of attraction “F” exists between two point masses A and B when a fixed distance separates them. After mass A is doubled and mass B is quartered, the gravitational attraction between the two masses is

business
Consider what this rule might mean to businesses, particularly those that contract with the government. Consider, for example, a store or outlet that purchases federal/military surplus. What provisions might they need to include in a contract that might

Algebra
Simplify 2sqrt25x^3 3x sqrt4x

ethics in management
I am trying to answer some question for class I am needing to find and understand these theories can someone please explain them or help me find information on them I cannot find anything that I understand searching for these terms are they called some

ALGEBRA
A convention manager finds that she has $ 1410, made up of twenties and fifties. She has a total of 48 bills. How many fiftydollar bills does the manager have?

math
18, 45, 63

chemistry
A certain municipal water sample contains 46.1 mg SO42/L and 30.6 mg Cl /L. How many drops (1 drop = 0.05 mL) of 0.0010 M AgNO3 must be added to 1.00 L of this water to just produce a precipitate? What will this precipitate be? how do i do this problem?

geometry
What is the area of a rhombus with diagonals of 10 feet and 14 feet?

college Algebra
solve by the substitution method. 8x+3y=40 x=487y THE ANSWER SHOULD BE AN ORDERED PAIR. PLEASE HELP ASAP

math
How would you solve the problem (y^24w)^2

math!
Heinz has been contributing $300 at the end of each month for the past 15 months to a sivings plan that earns 6% compounded monthly. What amount will he have 1 year from now if he continues the plan? I'm not sure how to get the answer for this question

math
how do u round 62 into 5

English
The wind was howling and blowing a hundred miles an hour when suddenly there is a big crash, and a tree falls into Rocky's living room. The sentence shifts in person tense discourse voice and subject Answer B

career research and decision making
if you borrow money for postsecondary education: (a)you never have to pay it back. (b) you owe it back. (c) none of the above. i thought it would be (B) but i am not sure cause of the grants and other ways of going to school.. any suggestions?

English
If one smokes cigarettes, you run the risk of getting lung cancer. number mood tense person my Answer D the key word is you and you is a person and is the subject of the sentence

algebra
b. For the first phase of the project, imagine you want to cover the backyard with decorative rock and plant some trees. You need 30 tons of rock to cover the area. If each ton costs $60 and each tree is $84, what is the maximum number of trees you can buy

Math
The number of students at another university increased from 14,000 students in 1971 to 30,000 in 1975. What was the percent increase in enrollment during this period?

math
35.4% expressed as a decimal bocomes ?

Trigonometry
Solve for x in the interval 0

english
1)A verb must agree with its subject in number? im thinking it true..but not too sure... then i need help with capitalization lol... Aunt Consuelo is Consuelo Melendez,Doctor of Dental Surgery. is this right?

chemistry
How can u determine the molar mass of a compound?

English
Question 12 He wrote a hot check. The word hot is used poorly clearly connotatively denotatively Answer D

math
I'm having trouble with 2 problems. Please help. Thanks.

SCIENCE
SUNLIGHT AND WIND ARE INEXHAUSTIBLE RESOURCES. EXPLAIN WHY THEY ARENT USED TO PRODUCED ALL OF OUR ENGERY

math
With income earned by selling the rights to his life story, an actor invests some of the money at 3% and 30,000 more than twice as much at 4%. The total annual interest earned from the investments is $5600. How much is invested at each rate?

english
1) John Grisham is the author of "The Street Lawyer". 2) We listened to that old song again "You And Me Against The World". Is this correct capitalization?

math
I'm having trouble simplifying two problems with exponents. Please help. Thanks. 1. [(2)^4]^3 2. 10^7 . 1/10

math help plz!
Heinz has been contributing $300 at the end of each month for the past 15 months to a sivings plan that earns 6% compounded monthly. What amount will he have 1 year from now if he continues the plan? I'm not sure how to get the answer for this question

social studies
what was the opinion of americans who opposed the mexican war

math
the circumference of the peg is 3 in.will the peg go through the hole?Explain.

Science
What parts of the enviroment, natural and manmade, make up a watershed?

AP Chemistry
Does precipitation occur when 100. mL of 0.050 M CaCl2 is added to 100. mL of 0.10 M K2SO4? Show calculations to support your response.

math
what is the rule for Table 1?what are the missing output entries in Table?

critical thinking
Premise Since most all disease can be effectively prevented by a healthy lifestyle. ConclusionAnimal activist sometimes contend that medical research is unneccessary. Is this a valid/sound argument or is this an ivalid/unsound argument?

Hum205
Assume you are a Humanities instructor tasked with explaining the social role of the arts in the Middle Ages. What are three relationships between the arts and Early Middle Ages culture you would want your students to know? What are three relationships

science
If Ken drove his motor boat a distance of 1000 m in 7.045 s how fast was his boat moving in m/s?

math
Try to draw a triangle with 2 right or obtuse angles. What generalizations can you make about the angles of a triangle? Explain.

Socials
Seven Years War where were over 300 british men women and children massacred in 1757

Chemistry
I forgot in my previous question to say 1014 millibars. The question is I live at 1014 millibars for barometric pressure and temp. is 61 degrees Fahrenheit. I have an imaginary balloon that contains 22 grams of CO2what is the volume in liters of the

Chemistry
word equation for Potassium Carbonate + Nitric Acid

Chemistry
An ice cube at 0 degrees Celsius was dropped into 30.0 g of water in a cup at 45.0 degrees Celsius. At the instant that all of the ice was melted, the temperature of the water i the cup was 19.5 degrees Celsius. What was the mass of the ice cube?

chemistry
how much heat, in kilojoules, must be added to 178 grams of water to increase the temperature of the water by 50 degrees celisus?

math
on a tv game show,you try to win a prize that is hidden behind one of the three doors.after you choose a door, but before it is open,the host opens one of the other doors,behind which there is no prize.you can then switch the remaining closed door or stay

english
do i use and apostrophe when writing about someone (a noun) that has possession of something?

English
How do you find a verbal phrase in a sentence then identify it as a gerund, particpial, or infinitive phrase?

English
1. He is my old friend. (Can we use this one when one of my friends is very old though I met him one week ago?) 2. My favorite class is math class. 3. My favorite class is a math class. (Which one is right? Are both right? ) 4. I do my homework with her

Chemistry Honors 10th
How much heat is required to warm 122 g of water by 23.0 degrees Celsius?

english
What kind of literacy device is it when a word repeates in a poem

english
can anyone give me a thesis statement on conscience in hamlet. pls

HJC
• For this assignment, you will view five examples of 20th Century paintings, one each of the following five schools of thought (the slides are labeled): o Impressionism o Expressionism o Abstract expressionism o Minimalism o Primitivism • Then, listen

English
Question 20 Here the once embattled farmers stood and fired the shot heard round the world. metaphor simile personification hyperbole my answer A

6th Grade Grammar
What is the positive adverb form? ______ , more , most and ______ , less , least

Intro to Technology
Lab 1.1 Can somebody please, please help me with this lab?! I know it requires sketching and modeling which only i can do , but please, any help will be appreciated. I find these labs so hard to do, but my teacher said there's no alternative assignment and

math
what is the derivative of 50? Is it 0

ACCOUNTING
Considering the following pricing concepts; Markup Methods (markup on Total Cost, Variable Cost, and Product Cost) and Target Costing, explain when it is appropriate (and why) to use each of the methods. (Hint: use multiple choice questions 1 and 2 to

Geography
What is the order by their degree of severity (least extreme first) Ethnonationalism Secession Separatism

ACCOUNTING
Considering the following pricing concepts; Markup Methods (markup on Total Cost, Variable Cost, and Product Cost) and Target Costing, explain when it is appropriate (and why) to use each of the methods. (Hint: use multiple choice questions 1 and 2 to

socials 9
Do you think it is still possible for one person to start a fashion trend? Can you give an example? i don't know anything about fashion.

math
you take a threequestion multiplechoice test.each question has four choices.you don't know any of the answers. what is the experimental probability that you will guess exactly two out of three correctly please help me i am confused

english
thank you Ms.Sue soo much,,, my question is if a sentence has an original statement with quotation marks may also have a comma? Is this true?

Calculus
Max / min points of: Y=5^(2x) * e^(3x^2)

PreAlgebra B
Solve for y. 4(y + 9)= 10 Please help!!!

computer science
c++ program question write a program that uses a loop to display the characters for each ascii code 32 through 127. display 16 characters on each line with one space between characters in c++

math
I need an equation that represents 56 houses for sale x will represent floor plan one and y will represent floor plan two

English
Question 20 Here the once embattled farmers stood and fired the shot heard round the world. metaphor simile personification hyperbole my answer A

bio
Why do scientists use the same enzyme to remove the insulin AND cut the plasmid open?

chemistry
the pH of the solution obtained by mixing 400ml 0.1M acetic acid, 50ml 0.1M sulphuric acid and 50ml 0.3m sodium acetate is (Ka of acetic acid is 1x105)

programming and visual basic
These are two different types of questions, these are not the same questions The Some interest Credit Company provides loans to customers at 1.5 percent interest per month. Design an application that gets customer account data that includes an account

english
What kind of literacy device is it when a word repeates in a poem

chemistry
On passing 2 litres of a mixture of CO and CO2 over red hot charcoal, the volume becomes 2.5 litres. The volume fraction of Co in the mixture is

Math
How long will it take $4000 to double if it is invested at 7.85%?

chemistry
Calculate [Cu^2+] in a 0.15 M CuSO4 solution that also 6.5 M in free NH3. Cu^2+ + 4NH3 >>>>>> Cu(NH3)4 kf = 1.1 * 10^11. thx

English Comma splices and run on sentences
Question 1 5 points Save Identify the correctly punctuated sentence below. Janet entered the abandoned mountain monastery she noticed the mosscovered rocks below. Janet entered the abandoned mountain monastery, she noticed the mosscovered rocks below.

art 101
I am not understanding the assignment due for Friday. We are to write a 200300 word response to the following: in you own words, summarize why Kenneth Clark's interpretation of African mask is ethnocentric. I really do not understand what ethnocentric.

Math
A random survey of 500 households determines that 20% of the households would do so and that each participating household expects to recycle about 100 cans monthly with a standard deviation of 30 cans. Question (a) What is the 95% confidence interval

help
paraphrase this sentence "life for pineers on Oklahoma homesteads was not always easy"

Sra
Sra could you tell me about a Mac OS X Install disc. How much are they?

English
Do not watch volence TV programs. It is not good for the baby. If the baby watches good programs, he will be affected positively. Sometimes make the baby drink water. If you feed the baby with lots of milk, he will become fat. The pantie seems to be a

math
I am trying to understand how to translate math questions into an inequality. Here is an example: The cost is at most $4857.95

fisheries!!!
Recreational vs. commercial fisheries

chemistry
Can Anyone Help Me With This Solubility Problem? An aqueous solution of 1.90 M AgNO3 is slowly added from a buret to an aqueous solution of 0.0100 M Cl and 0.250 M I. a) Which ion, Cl or I, is the first to precipitate? b) When the second ion begins to

spelling
can you list some smaller words that are in perimeter and litre. thank you

French
Last proofread for the semester! The topic: "Imaginez que vous avez une machine a voyager dans le temps. A quel moment du passe voulezvous revenir, et a quel moment du futur voulezvous aller?" You will have to divide this compo into 2 parts: one will be

Math
Use the following information to construct a suitable rational function f(x). * There is a vertical asymptote at x=2, and a horizontal asymptote at y=3. * The graph of the function must go through the points (4/3,0) and (0,2)

English
1. I like taking pictures of myself. 2. I like taking picutres of me. (Which one is right? Are both OK?) 3. I can't believe it. 4. That's surprising! 5. What a surprise! 6. That's unbelievable. 7. That's amazing! 8. What a surprise it is! (Are they the

MATH
the circumference of the peg is 3 in.will the peg go through the hole that is 1 in.? Explain. please help i am confused

AP Chemistry
100. mL of 0.020 M CaCl2(aq) is added to 200. mL of 0.20 M K2SO4(aq). Calculate the equilibrium concentrations of Ca^2+ (aq) and SO4^2(aq)

math help plz!
Calculate the future value of quarterly payments of $1200 for 5 years, if the rate of interest was 10% compounded quarterly for the first 2 years and will be 9% compounded quarterly for the last 3 years.