Questions Asked on
March 2, 2010

Calc.
Please help solve this, A farmer has 600m of fence and wants to enclose a rectangular field beside a river. Determine the dimensions of the fence field in which the maximum area is enclosed. (Fencing s required on only three sides: those that aren't next
asked by Sarah 
Math
The first row of a concert hall has 25 seats and each row after the first has one more seat than the row before it. There are 2 rows of seat. 1)Write a rule for the number of seats in the nth row. 2)35 students from a class want to sit in the same row. How
asked by Lindsay 
Chemistry
2KClO3 > 2KCl + 3O2 What mass of O2 can be made from heating 125 g of KClO3? I know that the answer is 49 g O2 but I keep getting a completely different answer, can anyone show me what I'm doing wrong? 125g KClO3 x (2 mol KClO3/ 122.49g KClO3) = 2.04 mol
asked by Ana 
Chemistry
The aquation of tris(1, 10phenanthroline)iron(II) in acid solution takes place according to the equation: Fe(phen)3^2+ + 3H3O + 3H2O==> (Fe(H2O)6^2+ + 3 phenH^+ If the activation energy is 126 kJ/mol and frequency factor is 8.62 x 1017 s1, at what
asked by Confused 
Calculus
The manager of a 100 unit apartment complex knows from experience that all units will be occupied if the rent is $500 per month. A market survey suggests that, on average, one additional unit will remain vacant for each $10 increase in rent. What rent
asked by Peter 
grammar
Choose the word to be used. Jose and (her,she) agree with me. "Plese help, I can not decide."
asked by sierra (6th grade) 
physics
two forces act on a moving object with a mass of 27kg.one force has a magnitude of 12N and points south, while the other has a magnitude of 17N and points due west. Whats the acceleration of the object?
asked by ShaD 
physics
In order to keep a leaking ship from sinking, it is necessary to pump 11.0 lb of water each second from below deck up a height of 2.50 m and over the side. What is the minimum horsepower motor that can be used to save the ship?
asked by Kyle 
physics
A tennis ball is a hollow sphere with a thin wall. It is set rolling without slipping at 4.24 m/s on a horizontal section of a track. It rolls around the inside of a vertical circular loop 90.0 cm in diameter and finally leaves the track at a point 19.0 cm
asked by emath 
Tcp
Host A and B are communicating over a TCP connection, and Host B has already received from A all bytes up through byte 126. Suppose Host A then sends two segments to Host B backtoback. The first and second segments contain 70 and 50 bytes of data,
asked by Anonymous 
Physics
An apparatus of the figure below is designed to study insects at an acceleration of magnitude 940 m/s2 (= 96g). The apparatus consists of a 2.0m rod with insect containers at either end. The rod rotates about an axis perpendicular to the rod and at its
asked by Max 
gr 12 chemistry
consider the two compounds, CH3CH2CH2CH2CH2OH and CH3CH2OCH2CH2CH3. Giving reasons for your choice, select the compound that a) will evaporate at a lower temperature b) has higher solubility in a nonpolar solvent c) can undergo an addition reaction with
asked by shelly 
PHYSICS
The current world record motorcycle jump is 77.0 meters set by Jason Renie. Assume that he left the take off ramp at 12.0 degrees above horizontal and that the take off and landing heights are the same. Neglecting air resistance,deteremine his takeoff
asked by Stephanie1 
trig
What is the period, amplitude and phase shift for: y=2sin(3xpi)
asked by Teresa 
Algebra
To reduce 32 grams of a 25% solution of antiseptic to a 10% solution, how much distilled water should a pharmacist add?
asked by Chelsea 
Physics
Jill of the Jungle swings on a vine 7.0 m long. What is the tension in the vine if Jill, whose mass is 65 kg, is moving at 2.3 m/s when the vine is vertical?
asked by Abby 
Chemistry
Calculate the pH of a 0.10 M solution of barium hydroxide, Ba(OH)2.
asked by Saira 
Chemistry (urgent)
Suppose a reaction involved a finely ground powder reacting with a concentrated acid. Suggest three methods of decreasing the reaction rate. 1. By placing the reactants in cold water. 2. ? 3. ? Can someone please help? I can't think of what else I can do
asked by John 
ENGLISH!!!!!!!!!
In the following sentence, should i say "it" or "they?" (becuase i put the word "each" and it is plural). "...then count the number of weights each wood held before it sank."
asked by Happy Face 
Chemistry
Calculate the molality (m) of a 8280 g sample of a solution of the solute CH2Cl2 dissolved in the solvent (C2H5)2O if the sample contains 13.6 mol of CH2Cl2
asked by adam 
Calculus
A boat is pulled into a dock by a rope attached to the bow of the boat and passing through a pulley on the dock that is 1 m higher than the bow of the boat. If the rope is pulled in at a rate of 1.4 m/s, how fast is the boat approaching the dock when it is
asked by Samuel 
Physics
A spy satellite is in circular orbit around Earth. It makes one revolution in 6.04 hours. (a) How high above Earth's surface is the satellite? (b) What is the satellite's acceleration?
asked by Max 
phsycis
A 62 kg hiker climbs to the top of a 3700 mhigh mountain. The climb is made in 5.0 h starting at an elevation of 2600 m. Calculate the average power output in watts. Calculate the average power output in horsepower.
asked by peyton 
Physics, help please!
A hypothetical spherical planet consists entirely of iron (p=7860 kg/m^3). Calclate the period of a satellite that orbits just above its surface. I started out with the pressure formula P=M/V, but i kept subbing in other formulas, but i get stuck..can
asked by ALan 
physics
An amusement park ride consists of a car moving in a vertical circle on the end of a rigid boom of negligible mass. The combined weight of the car and riders is 5.1 kN, and the circle’s radius is 10 m. At the top of the circle, what are the (a) magnitude
asked by beav 
Anatomy & Physiology II
The left side of the heart pumps the same volume of blood as the right. True or False I believe it is False
asked by Ana 
social studies
hello, my homework page starts out with In 1979, muslim fundalists led a successful rebellion against the united statesbacked shah of iran and took control of that country? my question is what country? i think the paper printed wrong were doing 1979
asked by timmy 
economics
the more elastic the demand for the good labor produces, the less elastic the demand for labor. True or False When a monopolistically competitive firm is in longrun equilibrium, average total cost is at its minimum. True or False
asked by krysta 
ENGLISH
Which sounds better? "If I WAS to do this experiment again, I would change the regular (plain) water to salt water." OR "If I WERE to do this experiment again, I would change the regular (plain) water to salt water."
asked by Happy Face 
college
the more elastic the demand for the good labor produces, the less elastic the demand for labor. True or False When a monopolistically competitive firm is in longrun equilibrium, average total cost is at its minimum. True or False
asked by Krysta 
MATH214
Find the surface area of a right circular cone topped with a hemisphere. the height of the cone is 8cm, the radius is 4cm.
asked by Rebecca 
Math Analysis
From a ship offshore, the angle of elevation of a hill is 1.1°. After the ship moves inland at 4.5 knots for 20 min, the angle of elevation is 1.4°. How high is the hill? (1 knot = 1 nautical mile = 6080 ft per hour) As I was just about to get the
asked by Emily 
algebra 1
why did the ghost decide to haunt city hall
asked by john bobberskat 
physics
How much work must be done to bring three electrons from a great distance apart to 5.5×10−10 m
asked by Anonymous 
Chemistry (URGENT)
Suppose a reaction involved a finely ground powder reacting with a concentrated acid. Suggest three methods of decreasing the reaction rate. 1. By placing the reactants in cold water. 2. ? 3. ? Can someone please help? I can't think of what else I can do
asked by John 
Physics 103
So I have a question about magnetism. A charged particle moves through a region of space and experiences no magnetic force. Does that mean that the magnetic field is zero?
asked by Kate 
Geometry
A cylindrical can holds three equalsized balls perfectly. Which is larger, the can's height or the can's circumference?
asked by Sarah 
algebra
* Write an expression that simplifies to 5. Use the multiplication, division, addition, and at least one set of parenthesis. Explain the process you would use to simplify the expression.
asked by Anonymous 
Math
Solve and graph the solution set on a number line. 5x + 7  2 < 4 5 4 3 2 1 0 1 2 3 4
asked by Kevin 
MAT101
Why is it important to understand linear equations in business? What are some examples of how the concept of linear equations are used.
asked by SEMA , WHY!!!!!!ME 
math
4 is 1/8 of the whole set
asked by danien 
fractions
Castor brought 6 3/4 cakes to share with 26 students. Did Castor bring enough for each student to have 1/4 of a cake? Explain your thinking and show your work
asked by emily 
Physics
Name three ways in which you can reduce the distortion due to diffraction of a wave passing through an aperture. large aperture small wavelengths What's the last one?
asked by sh 
Math
At the 2010 Winter Olympics, in Vancouver, BC, Usain Bolt won the 100 meters, finishing in 9.69 seconds (a world record.) What was his speed in miles per hour, rounded to the nearest tenth? (1 meter is approximately 39.37 inches.) State the answer in
asked by Joey 
Enviromental Science
Show Chemical balance of Sulfuric acid and Calcium hydrozide based on ion charges
asked by Lisa 
Eth/125
Women are considered the social minority in the united states because they belong to this group.
asked by Anonymous 
college
Complete the square 2y^2y6=0
asked by Ashalalalala 
english
can you please check if this sentence is grammatically correct? "This is rather interesting."
asked by mangtonio 
us history
what control if any should the states have over the use of federal lands within their borders
asked by rusty 
math
1,What is the relationship between y and x 2,find y when x is =27 3,find x when y is =81
asked by No 
us history
what kind of person set up shops to make and sell items such as iron tools and saddles
asked by jackson 
Chemistry
Which of the following solutions added to the hydrogen peroxide solution may act as a catalyst. KI, KCl, NaCl Are KI, KCl, NaCl all catalysts? But KI is more effective catalyst? Thanks.
asked by Sarah 
math
A rectangular park measuring 35 yards by 24 yards is surrounded by a trail of uniform width. If the area of the park and the trail combined is 2420 square yards, what is the width of the path?
asked by Lee 
internattional business
What would be a good choice for an export to another country that would have alot of information about?
asked by Mary 
geometry 2
If a rectangle has an area of 132 square units and a length of 11 units, what is its width? If necessary, round your answer to two decimal places.
asked by von 
9th grade
I am having trouble trying to figure out how to work this problem: Determine if each relation is a function. 1. Relation: (2,2),(3,2,),(4,1),(5,2) How do i do this???????
asked by NIki 
9th grade math (algebra 1)
Fine the solution set of each system of linear equations or inequalities below by graphing. Show all work under the graph of each system. 1. x + y = 3 2x  2y = 6
asked by adrian villanueva 
Math
Is this problem correct? 5x+6
asked by NIki 
Biology
When infected with certain bacteria or viruses our bodies produces a fever. Fevers occur when the hypthalamus changes its temperature set point. Signaling of the hypothalamus could be direct (from infectious agent itself) or indirect (from the immune
asked by cece 
geometry
At the marine park, one of the aquariums is shaped like a rectangular prism. The inside dimensions are 22 feet long, 9 feet wide, and 7 feet high to the water line. 9 ft 22 ft 7 ft Which equation could be used to find the volume of water that would have to
asked by Anonymous 
social studies
Give two factors that explain the changes in family organization between 1900 and 1980.
asked by jennifer 
English
I forgot to include these last two sentences. Thank you very much for your last corrections! 1) The guilds controlled the proper quality of goods, laid down the rules concerning apprenticeship and organised fairs where their members sold their produce.
asked by Franco 
Essay
How does the introduction draw readers into your argument, and how does the conclusion effectively summarize your paper
asked by steve 
math
the perimeter is 48, the length is 2 times the with. what is the width and length. I got the answer but how do you figure it out, is it a formula?
asked by Jen 
Cal
A voltage V across a resistance R generates a current I=VR. If a constant voltage of 4 volts is put across a resistance that is increasing at a rate of 0.3 ohms per second when the resistance is 4 ohms, at what rate is the current changing?
asked by Sam 
chemistry
2 KClO3(s)> 2 KCl(s) + 3 O2(g) How many milliliters of O2 will form at STP from 38.8 g KClO3?
asked by Kelly 
chemistry
Reacting 959 mol of SiO2 with excess carbon yields 28.8 kg of SiC. What is the percentage yield? SiO2 + 3C> SiC + 2 CO
asked by Kelly 
math
32x^2y64xy4x^3y. When I factored out the GCF, I got 4. When I try to factor is completely, I got lost and confused. Can someone please help???
asked by Crystal 
com 150
• View the Vacuum Sales digital story located on the Materials tab of your student Web site for Week Six. Of the two arguments provided in the digital story, which is valid and which is sound? When you are building an argument for an issue that is
asked by lou 
accounting
weekly salaries of 12,000 on Friday for a five day week ending assume the period will end on Tuesday and Wednesday?
asked by ben oberlin 
english
please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and
asked by sammi 
algebra
Find the length of a side of an equilateral triangle with altitude of length 6.
asked by chica 
Chemistry
If 406.6 g of a substance is dissolved in 879.1 g of cyclohexane solvent, the boiling point of the solution is 87.52 oC. Calculate the apparent molar mass (g/mol) of substance.
asked by adam 
College Chemistry
A 38 L gas tank at 35 Celsius has nitrogen at a pressure of 4.65 atm. The contents of the tank are transferred without loss to an evacuated 55.0L tank in a cold room where the temperature is 4 Celsius. What is the pressure of the tank??
asked by Smith 
College Physics
Gravity on the surface of the moon is only 1/6 as strong as gravity on the Earth. What is the weight of a 14 kg object on the Earth? The acceleration of gravity is 10m/s2 . Answer in units of N.
asked by Jennifer 
science
if ice forms on the outside of a glass cup what would be the likly temp
asked by Anonymous 
Linear Equations
Can you please help solve this equation using the substitution method? I have tried and keep getting that X and Y = 7/2, but the answer in the book states no solution, inconsistent system. What am I doing wrong? Please help! Solve the systems of equations
asked by Mia 
American History
Were the goals of the United States overseas consistent or inconsistent with its goals on the home front?
asked by Cassie 
MAT101
For each of the relationships below, explain whether you think it is best described by a linear function or a nonlinear function. Explain your reasoning. a. A person's height as a function of the person's age (from age 0 to 100) b. The probability of
asked by SEMA LOST!!!!! 
chemistry
determine the pH of 10.00mL or 0.100M HCl after adding 10.00mL of indicator solution. (i think this is supposed to be a buffer problem)
asked by Reen 
accounting
Which factor would be greater the present value of $1 for 10 periods at 8% per period or the future value of $1 for 10 periods at 8% per period?
asked by Strayer 
Physics
A 1.15 kg block slides down a 19.0 m long 29.0° incline at constant velocity. How much work is done by friction?
asked by Ray 
sentence
can u tell me what this means. i don't under stand it, the home work sheets say they want the kids to " write one sentence about your favorite dr.seuss center "
asked by rene 
To pamela smalls re adult education
Your post has been removed. Once you write up what YOU THINK the answers are, please repost, and someone here will be happy to comment.
asked by Writeacher 
spanish
can somebody put the following spanish words into correct simple spanish sentences. One each. Detras debehing Delante defront Debajo deunderneath sobre/enon encima deover/on al lado deside/next lejos defar from cerca denear dentro deinside duera
asked by anna 
PHYSICS
A race car's velocity increases from 3.6 m/s to 32.4 m/s over a 5s time interval. What is its average acceleration?
asked by Amanda 
math
Write a linear equation to model the situation. Use unit analysis to check your model. You borrow $40 from your sister. To repay the loan, you pay her $5 a week.
asked by anna 
math
The recycling center pays 25 cents per kg for aluminum cans. If her school recycles 2070 cans each day, how much money will Elsie earn each day by recycling?
asked by abby 
9th grade
True or False. To find a sales tax of 6% on a purchase of $90.00 using the proportion method you would write the following: 6/100 = ST/$90?
asked by Amber 
college
A monopolist will always make a profit in the short run. true or false
asked by Krysta 
math
In 1991 the population of Kenosha, Wisconsin, was 132,000. Between 1991 and 1996, the population of Kenosha increased by approximately 2000 people per year Question: Use the model to estimate the population of Kenosha in 2006
asked by amiee 
To: Ms. Sue
Ms. Sue I need statistics on Sav. Syn. I tried looking on the internet for them everywhere, but there is nothing there. Could you please give me a list of sites for them. I want charts on them, please and thank you :)
asked by Sara 
Math
The labor force included 127 million people, and 5% were unemployed. How many people in the labor force were unemployed?
asked by Anonymous 
Math
What do all of these numbers have in common? 3,5,7,11,13
asked by Karen 
Biology
14. The stomata are responsible for a. translocation b. leaf growth c. regulating water loss d. the transport of minerals D? 2. In a moist area of the woods, you see a mass of small, green plants with tall, thin, nongreen projections coming from their
asked by mysterychicken 
math214
. A furniture company gives an estimate for moving based upon the size of the rooms in an apartment. Write a rationale for why this is feasible. What assumptions are being made?
asked by alicia 
math
at the start of your school year as a veterinary tech, you receive a raise of $750. you expect to receive the same raise every year. your total yearly salary after your first raise is $18,000 per year write an equation that models your total salary (s) in
asked by megan 
math cont.
i forgot one of the questions to the math question i just asked. calculate your yearly salary after six years as a veterinary tech.
asked by megan 
US History
What issues did the Compromise of 1850 leave unsettled?
asked by christopher 
MATH
Elsie is starting a recycling club at her school and hopes to use the money earned from recycling cans to buy recycling bins for the school. Elsie first needs to figure out how much the cans that can be collected at her school will weigh, so she starts by
asked by abby 
Math
(8x16x^2) Factored. I tried using different number combinations, but nothing is coming out right!
asked by Crystal 
science
what examples of acids can i find in my home
asked by Anonymous 
Math
Write a equation if a line through (0,2) that is perpendicular to y=4x+6
asked by Alex 
math
Say you know that a rectangle has an area of (a^2+4a+4) square inches, and you know that the width is (a+2) inches. Use long division to determine the length of the box.
asked by Anonymous 
health
what are the communication skills of the world health organization and the center for disease control and prevention? what similarities or difference exist?
asked by cortez 
Math riddle
I am a two digit number greater than 40.You can divide me by 7 and also by 8, but not any other set of single digit number.what number am I
asked by Paul 
science
Is there a relationship between the direction of the ocean current and the coastal climate?
asked by Taylor 
science
i have a lots of question but my first onee is:whats a plant eater a meat eater what is an organism that causes anither organism to decay and my last what is what is an plant and a meat eater
asked by shakina 
science
organisms that get their food from other organisms (they eat another organism)
asked by shakina 
English
hELLO! can anybody give me some ideas? i have to write an essay on: Parents should have every right to controll their children's TV viewing.
asked by Lulu 
art
What is the main difference from da Vinci's Last Supper and Andrea del Castagno's Last Supper?
asked by josh 
Science
Would the "overall data trend" be the average data?
asked by Happy Face 
english
How would you describe a chef's voice? The cliche kind; big, tall white hat, cheery.
asked by kristen 
Chemistry
If 152 g of a cyclohexyl bromide is dissolved in 932 g of benzene solvent, calculate the boiling temperature of the solution. Consider if the solute is an electrolyte. i kinda get it but im not really sure what the "i" would be equal to.
asked by Kobe 
math
use digits to write four hundred seventyfive thousand three hundred fortytwo. then circle the digit in the tenthousands place
asked by jojo 
Chemistry
What mass ( kg ) of the solvent H2O should be added with 0.1717 L of the solute formic acid to make a solution that is 0.626 m formic acid.
asked by Kobe 
math
i have the capacity of 1 literbut all the water in the ocean can not fill me up.what am i?
asked by kate 
chemistry
please explain why the gemdimethyl groups appear as separate peaks in the proton NMR spectrum of isoborneol although they almost overlap in borneol
asked by Kendra 
math
Hi I was wondering if someone could help me with this. 4x+8=4 I thought that x= 3 however my dad thought x1 Thanks for the help!
asked by wizard 
social studies
sorry to bother you again what does secular mean
asked by timmy 
spanish
what is my mom is in front of me in spanish?
asked by jennifer 
Organic Chem
What is the product formed from the nitration of 1,2dimethoxybenzene ( veratrole)? What would be the equation for the reaction. Details. Veratrole was mixed with glacial acetic acid.This mixture was then added dropwise to a solution of nitric acid and
asked by Niki 
physics
A force F is exerted by a broom handle on the head of the broom, which has a mass m. The handle is at an angle to the horizontal, as shown below. What is the work done by the force on the head of the broom as it moves a disacross a horizontal floor?tance
asked by Big T 
psychology
In psychology,correlation measure the strength of the link between two variables. It is also important to know that correlations do not show: a)the strength of the relationship b)causation c)the direction of the relationship d)what occurs between sets of
asked by vedrana 
calculus
How do I integrate 1e^kt from 0 to infinity?
asked by will 
Music
How do you download music from jiskha?
asked by Corey 
science
which tectonic plate is most static?
asked by Brielle 
5th grade
the sum of eightynine and a number
asked by zack 
PSY 150
How can i do a refance page in Apa formatinig with web info.
asked by Francoise 
PHY131
The current world record motorcycle jump is 77.0 meters set by Jason Renie. Assume that he left the take off ramp at 12.0 degrees above horizontal and that the take off and landing heights are the same. Neglecting air resistance,deteremine his takeoff
asked by Stephanie1 
science
at least 6 word to use in complete sentences to describe the motion and forces on the ice skate?
asked by melissa degroat 
statistics
An experiment consists of rolling a die and selecting a marble from a bag. the bag has 7 orange, 3 pink, and 6 grey marbles. What is the probability of rolling a multiple of 3 and selecting a pink marble? Anwer: The two events are independent of each
asked by Jason 
Lee
For my class you have to choose from several different scenarios, make up your own equations from the scenario, and then solve and graph them in excel. I have chosen the following scenario: Evaluate whether a prepaid or monthly cell phone plan is most
asked by Jessica 
math HELP SOON!
Write each ratio as a unit rate. 6 eggs for 4 people. "Please help, it is very confusing to me."
asked by sierra (6th grade) 
chemistry
If the initial volume of the is 1.2 , what total amount of (in moles) is formed in the first 50 of reaction
asked by Anonymous 
World Religion
Looking for some ideas.....I need to write a paper about a modern manifestation of a religion and how it affects society. Then select something current in a religion and write about it.
asked by Leesa 
gr 12 chemistry
write an equation for a reaction involving an aldehyde to illustrate a hydrogenation reaction.
asked by shelly 
English
Can you check the grammar in the following sentences, please? 1) Henry II succeeded the last Norman King, Stephen. He contributed to improving the military service and the administration of justice through reforms. 2) He reduced the power of the barons by
asked by Franco 
Algebraic expressions
Please can you give me an algebraic expression for the following I am litterally racking my brain on this, please Rita has $315 in the bank. This amount is three times the amount that Fred has. How much does Fred have? Use f to represent Fred's amount
asked by Tanya 
Algebraic expressions
Please can you give me an algebraic expression for the following I am litterally racking my brain on this, please Rita has $315 in the bank. This amount is three times the amount that Fred has. How much does Fred have? Use f to represent Fred's amount
asked by Tanya 
gr2
what is quarter to 5? as in time
asked by bryan 
english
Write a journal entry from the perspective of a lusty pirate. What say you to these stuffy Puritans? How is their Puritan lifestyle different from your pirate lifestyle? No pirate journal would be complete without some proper "pirate talk." Visit the
asked by Liyah 
Calculus
How do you take the derivation of the following function and equate to zero? sqrt of (100t^2320t+400).
asked by Matt 
chemistry
assume that you have a solution that is 5% (mol) acetone and 95% (mol) water. determine the molarity of this solution. how would you prepare a solution of this concentration in the lab? density of acetone=0.79 g/ml
asked by Jake 
ScienceHelp Please
What is a concept map. I've asked that same question yesterday as well, but I don't think anyone noticed. Can someone please tell me how to create one for the milky way,thanks in advance.
asked by Sara 
Chemistry
A sample of 2methyl1butanol has a specific rotation of 3.25°. Pure (R)2methyl1butanol has a specific rotation of +5.75°. Determine the %ee and molecular composition of the sample.
asked by Chad 
English
I forgot to include the following sentences for you to check. Thank you very much in advance. 1) The Black Death was caused by unhealthy living conditions, lack of sanitation and, above all, by fleas living on black rats which infested the ships travelling
asked by Franco 
chemistry
How do I work out the density of HCI at 600 celsius ? Thanks
asked by Selina 
Chemistry
2KClO3 > 2KCl + 3O2 What mass of O2 can be made from heating 125 g of KClO3? I know that the answer is 49 g O2 but I keep getting a completely different answer, can anyone show me what I'm doing wrong? Please & Thank you
asked by Ana 
Math
how do you write 0.7012 in scientific notation?
asked by Hanna 
Chemistry
Bromine can be added to limonene to create a brominated compound. When 613 mg of limonene and 3.5 mL of a 10% (v/v) solution of Br2 in dichloromethane (a solvent) are combined, 959 mg of the product is isolated. Calculate the percent yield for this
asked by Kate 
chemistry
Can anyone help me !!! The IR spectrum of your lipid unknown shows a broad & strong absorption band at 3400, medium intensity bands at 3119 & 3086 and a set of bands at 1613,1586,1515 and 1465 cm1 1) What functional group is present in your compound? 2)
asked by Jenny 
social studies
what state shares it name with the state capital
asked by bambi 
Physics
What is the average linear speed of the Earth about the Sun? (The distance from the Sun to the Earth is 1.50 1011 meters. The orbital period around the Sun is 365.3 days.)
asked by Max 
Science
In order to sail through the frozen Artic Ocean, the most powerful icebreaker ever built was constructed in the former Soviet Union. At the heart of the ship's power plant is a nuclear reactor with a power output of 5.60X10^7 W (5.60 times ten to the power
asked by Lilly 
books
research the story of abraham and isaac in the bible and explain it as a metaphor to the soldiers' fate on pg 89 in the book GENERALS DIE IN BED BY CHARLES YALE HARRISON
asked by desmond 
french
i have to respond this question in french..Charlotte va voyager en train.Elle est a la gare ou a l'aeroport?
asked by brandi 
Math!!
Change 450% into a a fraction Please help LOVE YA!!!
asked by Danielle (7th grade) 
chemistry
Using the Hybridisation theory, please account for the observed bonding pattern in the following molecules: Cl Cl H    C  C HCC(triple bond)CH    Cl Cl H
asked by blue 
MATH214
Find the surface area of a right circular cone topped with a hemisphere. the height of the cone is 8cm, the radius is 4cm.
asked by Rebecca 
science
what contributed most to the fish population dying during the 1970's
asked by kesha 
english
please explain : “Science gives an intellectual view of reality, and the arts try to make the emotions as precise and disciplined as sciences do the intellect. But of course it’s nonsense to think of the scientist as a cold, unemotional reasoner and
asked by sammi 
math
why did the indian wear feathers in his hair
asked by DEVIN 
US History
In what ways did the progressive belief in using experts played a role in shaping roosvelts reforms?
asked by tatiana 
Accounting
If you invest $50,000 to earn 8% interest, which of the following compounding approaches would return the lowest amount after one year? a. daily b. monthly c. quarterly d. Annually
asked by Strayer 
Physics
Oliver has a mass of 79.6 kg. He is riding in an elevator that has a downward acceleration of 1.60 m/s2. With what magnitude force does the elevator floor push upward on Oliver?
asked by Max 
college
what is the path of the optic nerve
asked by tina 
critical thinking
rhetorical device
asked by carol 
math
What is the probability of drawing a red checker from a bag of 9 black checkers and 6 red checkers, replacing it, and drawing it again?
asked by Ali 
math
how do you solve 83x=the square root of 4xsquared+ the square root of 20 + 8
asked by emma 
geography
what city is anabijd scrambled?
asked by nan 
calculus
Find the slope of the tangent line to the graph of the function at the given point. g(x) = 3 x + 4, (4, 1)
asked by B 
ENGLISH!!!!!!!!!!!!!
What is the abbreviation for "continued?"
asked by Happy Face 
English
Can someone please tell me what's the "deeper" meaning (beyond literal) of this poem. I have a really hard time finding it. Thank you :) Alone Lying, thinking Last night How to find my soul a home Where water is not thirsty And bread loaf is not stone I
asked by Gaveen 
Physics
What is the difference in shape on a graph 70 degrees south of east and 70 degrees east of south?
asked by jake 
Math
A farmer has a dog, two geese and three bags of corn. He comes to a river. The boat to ferry him across the river can only hold the man plus two of his six possessions at a time. The farmer knows that if he is not right there the dog will eat a goose or a
asked by David 
Chem
Acetic acid has a Ka of 1.8*105 acetic acid ten times greater tha acetate acetate ten times greater tha acetic acid acetate=acetic acid what is the expected pH?
asked by Nikki 
English
Can someone please help to find poetic devices in this poem? I found a simile ("Their wives run round like banshees"), alliteration ("Alone, all alone" of "l" sound) and repetition ("Nobody, but nobody Can make it out here alone.")Can someone help me find
asked by Gaveen 
French
I really do not know how to unscramble these two french olympic winter game words. They are: NDIIMOCORBQUENE and UPSOCEETRTI. Could you please help me?
asked by Chris 
spanish
El Partride___emocionante???
asked by Kara 
chemistry
how to convert ethane to propanone? Thank you!!!!
asked by sashank 
Math
Factor. 3x^2 + 5x + 2 = 0
asked by Dana 
economics
How has globalization benefited farmers in lesser developed regions? I can only find evidence that it hurt them. This is for a debate.
asked by Jesse 
math
a few months ago, Van had 100 days to wait until his birthday. His wait is 98% over. Today is Monday. What day is Van's birthday?
asked by Andy 
math
leah wants to put square floor tiles that measure one foot on each side in a room that is 9 feet and 9 feet wide. How many floor tiles will leah need? is your answer reasonable? explain why
asked by jojo 
disease
How do culture and health beliefs affect the spread of emerging diseases? Be specific and give examples.
asked by Anonymous 
chemistry
You have to prepare a pH 3.50 buffer and you have .10M HCOOH and .10M HCOONa, how many milliliters of each solution do you neeed for 1 liter of buffer
asked by Anonymous 
Thesis statement
How do you start a thesis statement that discusses the use of metaphors, simile, imagery and symbolism in a text?
asked by Stephanie 
ENGLISH!!!!!!!!!!!!!!!!!!!
Which sentence sounds better? "Oak (the denser wood) HELD ONLY 1 metal weight..." OR "Oak (the denser wood) ONLY HELD 1 metal weight..."
asked by Happy Face 
physics
need a step by step process of combining this question into one vector: 56 NEWTONS at 296 degrees, then 83 newtons at 152 degrees
asked by jake 
AP Biology
Describe how repair enzymes act to correct mutations and errors that occur during replication.
asked by chuchuchulu 
Chemistry
For the equilibrium below at 400 K, Kc = 7.0. Br2(g) + Cl2(g) reverse reaction arrow 2 BrCl(g) If 0.90 mol of Br2 and 0.90 mol Cl2 are introduced into a 1.0 L container at 400. K, what will be the equilibrium concentration of BrCl?
asked by James 
Physics
When you take your 1200 kg car out for a spin, you go around a corner of radius 51 m with a speed of 12 m/s. The coefficient of static friction between the car and the road is 0.88. Assuming your car doesn't skid, what is the force exerted on it by static
asked by Abby 
Chemistry
What mass ( g ) of the solvent chloroform that should be added with 5287 mL of the solute hexane to produce a solution that is 7.11 m hexane.
asked by Anonymous 
chemistry
I am doing stoicheometry and I need help. Is there anyone who knows about it? It's in my chemistry class. HELP! I am in tears and cannot figure this out.
asked by Rachel 
Chemistry
Calculate the molality (m) of a 6.56 kg sample of a solution of the solute acetone dissolved in the solvent ethanol if the sample contains 1.44 kg of acetone. Additional info: Molar Mass (g/mol) acetone = 58.05 ethanol = 46.07 Density (g/mL) acetone =
asked by Luc 
Chemistry
what is the water vapor pressure of water at 29 degrees celsius? i can't find the information anywhere.
asked by Heather 
American History
Were the goals of the United States overseas consistent or inconsistent with its goals on the home front? During world war II
asked by Cassie 
Chemistry
Which of the following solutions added to the hydrogen peroxide solution may act as a catalyst. KI, KCl, NaCl Are KI, KCl, NaCl all catalysts? But KI is more effective catalyst? Thanks.
asked by Sarah 
6th grade math
how much is 3pt to a cup
asked by nicole 
Physics
A hypothetical spherical planet consists entirely of iron (p=7860 kg/m^3). Calclate the period of a satellite that orbits just above its surface. I started out with the pressure formula P=M/V, but i kept subbing in other formulas, but i get stuck..can
asked by ALan 
chemistry
What volume ( L ) of the solute methanol should be mixed with 3.41 L of the solvent ethanol to make a solution that is 11.0 m methanol? Am I supposed to use the molality eq'n?
asked by Anonymous 
algerbra
equations: find n 1,2,9,9,10,11,n range:13 mode:9 median:9 mean:8
asked by chance 
social studies
identify the various aspects of an organization that influences or is influenced by an organization
asked by Naomi 
Intro Physics
HI! Can you guide to which equation to use for this problem: An electron with the speed of 2 x 10^7 m/s enters a magnetic field with a velocity vector 25^0 away from the magnetic field direction. If it experiences an acceleration of 1.5 x 10^16 m/s^2,
asked by John 
Travel and Tourism
I'm not sure of the types of economic activities that would benefit from Florida's climate. I've already thought of fishing.
asked by AL 87 
spanish
what does los dias de clase mean
asked by Sydney 
Physics 103
How do I start? Problem: A helium nucleus (m= 6.65 x 10^27 kg and q = 2e)is initially at rest. It is accelerated through a potential difference delta V and then enters a region with a constant magnetic field of strength B= 4T. It enter perpendicular to
asked by Kate 
math
Could you use doubling to multiply 7x 3? explain
asked by Jay 
Math
A standard train ticket in a certain city costs $2.50 per ride. People who use the train also have the option of purchasing a frequentrider pass for $18.00 each month. With the pass, a ticket costs only$1.75 per ride. How many train rides in a month make
asked by Kevin 
Math
Use the ideas of additive and multiplicative inverses to solve the following equation: –7y + 12 = –2
asked by Tasha 
world history ancient greece
i need to do an outline of how to organize things for my research report on the Ancient Olympics. How cna i divide up my report?
asked by trixie 
Math
A carpenter purchased 25.25 feet of hardwood at $25.20 per foot, and 3 types of trim molding: 2.6 feet $1.90 per foot, 2.8 feet at $3.90 per foot, 7.5 feet at $4.90 per foot. How much did he spend on this purchase?
asked by Nikki 
physics
need help with doing this combining vector question A jogger runs with a velocity of 6km/h 25 degrees north west for 35 minutes and then changes direction , jogging for 20 minutes at 4.5km/h 65 degrees east of north. using a vector diagram determine the
asked by jake 
criminal justice
The term refers to the "procedures that are required by law" and reflects ideas about justice and fairness.
asked by colorado 
Science fair
PLEASE HELP MS.SUE. I really need your help I'm in 3rd grade and I have to do a science fair project. I'm planning on doing the science fair project about making hot water freeze. Is it a good idea if not can you give me some ideas? And if it is then can
asked by Fatima 
dress making and design
Bring fabric back to an even width after it has been dyed is called A. pressing B. laminating C. bonding D. tentering
asked by nishi 
Writeacher
I don't really know what you mean. i looked over my paragraph many many times, and i picked out some errors this time and here it is. i really need help. please. please. please. Rah! Rah! Bah! Bah humbug! How excited I was, it was time for me and my class
asked by Anonymous 
Biology Please
Can someone give me a web site that shows the internal diagram of a chicken wing: I need the tendon, ligament and cartilage. I have been looking a long time for chicken wing and even birds but can't find what I need. Thanks
asked by Sue 
4gr math
write 7026 in expanded form. then use words to the number
asked by jojo 
Chemistry
Write an equation for the reaction between the BronstedLowry acid HOCl(aq) reacting with base CO32(aq) I am having difficulty with this question. Here is what i have so far but I know i went wrong somewhere. HOCl (aq) + CO32(aq) > HCO3(aq) + OCl(aq)
asked by Matthew 
math please help!!!!!!!!!!!!!!!!!!!!!
A lady has a certain number of dollar bills in her purse. She has no other money. She spends half the money on a hat and gives $1 to a begger outside the store.She spends half the remaining dollars for lunch and tips the waiter $2. She then spends haif the
asked by CeCe 3gr 
calculus
prove cos squared B sin squared B= 2cos squared B 1
asked by Adam 
Chemistry
Iron metal is dissolved in dilute aqueous HCl. The resulting solution is warmed with dilute nitric acid and then treated with aqueous potassium iodide. Write equations for the reactions. Ok so for the first step I got: Fe + 2HCl > FeCl2 + H2 I'm guessing
asked by Alice 
Chemistry
Can someone explain hybrid structures and resonance structures.
asked by Chris 
Math  Algebra
This is a fraction algebra. n/24=25 (not divide sign). I don't know if I have to multifly and which number do i use.
asked by Joe