Questions Asked on
June 29, 2010

Spanish
where did sr andrade go to do the following errands write the names of the places could someone check my answers? 1 fue a cobrar un cheque.estuvo en el banco 2 fue a ver al dentista estuvo en  el consultorio 3 fue a comprar unos palos de golf estuvo en 
asked by Amy 
physics
A 50g ice cube is added to 110g of water in a 62g aluminum cup. The water and cup initially have a temperature of 23°C. Find the initial temperature of the ice cube such that all of the water is just turned to ice. Use the following specific heats: water
asked by sandhya 
chemistry
Assuming the density of a 5% acetic acid solution is 1.0 g/mL, determine the volume of the acetic acid solution necessary to neutralize 25.0 mL of 0.10 M NaOH. Record this calculation on your report sheet.
asked by love 
Chem
25.0 mL of 0.100 M acetic acid (Ka= 1.8 x 10^5) is titrated with 0.100 M NaOH. Calculate the pH after the addtion of 27.00 mL of 0.100M NaOH. my work CH3COOH + H2O H3O^+ + CH3COO^ 25mL x 0.100 mmol/ml = 2.5mmol CH3COOH 27mL x 0.100 mmol/ml = 2.7mmol NaOH
asked by Anonymous 
chemistry
How much 0.150 M sodium hydroxide would be required to just neutralize 15 mL of 0.175M hydrochloric acid? 15mL x 0.150M/0.175M=12mL correct!
asked by Jetta 
chemistry
Why are optical isomers not found for CH2ClBr?
asked by Jetta 
physics
1.A round wooden log of diameter 73cm floats with half of its radius above water. Determine the log’s density 2.An ideal gas doubles its volume in one of three different ways: at constant pressure, at constant temperature, and adiabatically. For each
asked by sandhya 
chemistry
THe thiocyanate ion acts as a Lewis base, donating a pair of electrons to the Fe ^ 3+ ion. Both sulfur and nitrogen atoms have lone pair electrons that can potentially be donated. Therefore, ther are two different structures (linkage isomers) that can be
asked by Judy 
chemistry
Why are cis and trans isomers not possible for ClCH2CH2Cl? Because it is a single bonded compound and cistrans isomerism is only possible when fre rotation about a bond is restricted or a double bond or cycle is essential for existence of cistrans
asked by Jetta 
geometry
A 30o60oright triangle is half of what other kind of triangle?
asked by Superman 
Math 115 week 8 cumtest
I was wondering if anyone has the questions for week 8 !@#$%^&test due Sunday? the instructor will not post it until Wednesday night and I would like to start on it early because I am moving all week.I am taking classes with the University of Phoenix Axia
asked by frustrated 
Chemistry
A buffer prepared by mixing equal amounts of the salts Na2HPo4 and NaH2PO4 to give a total phosphate concentration of 0.1M. What is the concentration of Na ions? I believe it is 0.3M but am having trouble understanding why when I write out the dissociation
asked by Richard 
Geometry
I have a pizza. The radius is 10 inches long. The pizza was cut into 16 equal slices. When 1 slice was left, my sister and I both wanted it, so we agreed to cut it in half, but I like the crust more than she does, so we decided to cut it the "other way."
asked by Kathy 
criminal justice
Individual Assignment: Barriers to Effective Communication Paper · Write a 1,050 to 1,750word paper in which you describe the following: o The process of communication and its components o Differences between listening and hearing in communication o The
asked by Florence 
chemistry
why is C4H10 the simplest alkene that can have structural isomers? Because compounds wwith the same molecular formula but different structural formula are called isomers in C4H10
asked by Jetta 
chemistry
Why are optical isomers not found for CH2ClBr?
asked by Jetta 
accounting
__a__ 1. A responsibility center that incurs costs (and expenses) and generates revenues is classified as a(n) a. cost center. b. revenue center. c. profit center. d. investment center. _a___ 2. The most useful measure for evaluating a manager's
asked by connie 
Spanish please help?
Sra ramired is asking her family if they did everything they were supposed to do today write the excuses with the correct preterite form like i know what that is of HACER,IR,PODER,SER or TENER paquito fuiste a la biblioteca verdad? ay no mama no ________ 1
asked by Marie 
Government Check
1.)Which of the following is an example of the formal amendment process? a)The gradual expansion of the President's warmaking power as commanderinchief =b)The 1920 change to the Constitution that gave women the right to vote c)The 1954 Supreme Court
asked by Ariel 
Government Check
1.)What is the defining right of a representative democracy? The right to petition the government =The right to vote The right to freedom of religion The right to a jury trial 2.)Slavery was prohibited by _____. the Bill of Rights the Constitution =the
asked by Ariel 
economics
Is your school currently producing at capacity? What considerations might inhibit full capacity utilization?
asked by shan 
Calculus
Find all critical points of the function. f(x) = xe^3x so x= ? Show steps or tell me how I find them?
asked by Nancy 
Mathematics: Precal
Consider a rectangular bathtub whose base is 12 ft^2. At what rate is water pouring into the tub if the water level rises at a rate of 0.9 ft/min? Please show steps. (I want to know how)
asked by Rebecca 
chemistry
why is unecessary to measure precisely 25.00mL of unknown acid into the beaker?
asked by Jetta 
alg
Multiply: 12m^5 / 2m^2 * 6m^6 / 28m^3 a) 9m^5 / 7 b) 9m^5 /7 c) 9m^6 / 7 d) 9m^6 / 7 d
asked by sean 
alg
simplify the rational expression x^2  81 / x^2 + 18x + 81 a) x  9 / x + 9 b) x + 9 / x + 9 c) x + 9 / x  9 d) x  9 / x  9 a
asked by sean 
Chemistry
A balloon has a volume of 2.75 liters at 25 degrees celsius. What would the balloon's volume be if the temperature is raised to 95 degrees celsius and the pressure remains constant?
asked by gary 
chemistry
Chlorine dioxide, ClO2, has been used as a disinfectant in air conditioning systems. It reacts with water according to the following equation. ... HCl If 142.0 g of ClO2 is mixed with 33.0 g of H2O, how many grams of which reactant remain if the reaction
asked by Cynthia 
writing
Can someone tell me if these are the correct verb tense? Education played a good part of successful financial planning. (Past) 2. I have some good ideas from the financial planning classes. (Present) 3. Education will play a good part of successful
asked by Deb 
college
A car weighing 15,000 N is speeding down the highway at 90 km/h. What is its momentum?
asked by april 
English
Can you please check if the following sentences are ok? Thank you in advance. 1) "Express your regret for the following situations using a wish construction". Example: I didn't study for the test. I got a bad mark. I wish I had studied for the test. 2)
asked by Franco 
Biology
what happens to co2 levels with increasing sugar concentration?
asked by Kelly 
math
A 16ft ladder is sliding down a wall as shown in the figures below. The variable h is the height of the ladder's top at time t, and x is the distance from the wall to the ladder's bottom. Suppose that the top is sliding down the wall at a rate 5 ft/s.
asked by Jacob 
Geometry
Which is the hypotenuseleg theorem? A. If the hypotenuse and one leg of a right triangle are similar to the corresponding parts of another right triangle, then the triangles are congruent. B. If the hypotenuse is congruent to the corresponding part of
asked by Superman 
trig
What is the angle B? Given that A=46 degree b=4 c=8
asked by Bobby 
college
the relationship between farenheit and celsius temp can be approximated by an equation of the form y=mx+b where x is degrees farenheit and y is degrees celsius. find the equation if the two ordered pairs that satify this equations are (50,10) and (86,30)
asked by tonya 
high school
according to jean piaget, in what is all learning based?
asked by trina 
English
I hope I don't bother u guys by explaining to me what hubris means in A Connecticut Yankee in King..etc Just a few examples would be really helpful
asked by my teacher may be watching this site so no name 
chemisrty
If 55.0 grams of KCIO3 is decomposed by the following equation, how many grams of oxygen can be produced? 2 KCIO3 > 2 KCL + 3 O2
asked by gary 
physics
The grath is a plot of work versus time. The power can determined from a)the xaxis, b)yaxis, c)the slope of curve,d)are under the curve, e)radius of curve
asked by Anonymous 
geometry
If AC = 15 centimeters, and BC = 12 centimeters, which does AB equal? its talking about a right triangle.
asked by Superman 
physics
A big yoyo(radius .2m, mass 20kg) has a string wrapped about its circumference. If yoyo falls, how far does it fall in 2 seconds? (The yoyo is shaped like a disk)
asked by jeff 
chemistry
a graduated cylinder weights 64.376g empty.when i measure 30.0mL into it weights 89.98g.what is the density of the liquid? 64.376g89.98g=25.604g then i 25.604/30.0=.853
asked by Jetta 
math
I need to find what 0.10 is a percentage of 0.72. and what 0.10 is a percentage of 0.62. Please help asap!!!!!
asked by shaista 
English
What does "leave his 'second best bed' to his wife" mean? I could not understand that phrase. May someone please help me? Thanks in advance.
asked by KL 
Government Check
4got this one Which amendment applies the protections of the Bill of Rights to the States? First Fifth Tenth =Fourteenth
asked by Ariel 
Government HELP
This one is tricky to me Even if they are listed in the Constitution, the rights of the American people _____. =are all listed again in the Bill of Rights must be enforced by the government in order for people to actually exercise them are all unenumerated
asked by Ariel 
physics
a ring rotates ar 30rad/s and has a radius of 3m and a mass 0f 100kg. If a disk(mass=40kg and with a radius of 4m) is dropped on the ring so the centers are aligned, what will be the resulting rotational speed of the ringdisc combination?
asked by jason 
Law  O.J.
Why was O.J. Simpson acquited in the trial that occured in the mid90's? He didn't actually kill the 2 victims himself, did he?
asked by AL 92 
math 6th grade
You have 15 yards of ribbon for your gift boxes. each box gets the same amount of ribbon. How much ribbon will each box get
asked by Lauren 
algebra
Describe the values for x that may not be appropriate values even when they are defined by your classmates’ function
asked by Jackie 
physics
A bothersome feature of many physical measurements is the presence of a background signal (commonly called "noise"). In Part 2.2.4 of the experiment, some light that reflects off the apparatus or from neighboring stations strikes the photometer even when
asked by anna 
science
how making inferences help the scientist in their discoveries?
asked by anthony 
math..probabilities
After three tosses of a fair die, which is more likely to come up: three distinct digits (e.g. 1,2,3), or three digits with at least one repeat (e.g. 1,2,1)? Distinct digits is more likely At least one repeat is more likely They are the same Cannot
asked by M.A. 
algebra 2
Lisa Chen invested $24,000, part at 8% and the rest at 7.2%. How much did she invest at each rate if her income from the 8% investment is two thirds that of the 7.2% investment?
asked by Shakeria 
Math
1. State whether f (x) = x^1 has a minimum value, maximum value, or neither on the following intervals. Select all that apply. (a) (0, 3) (b) (1, 3) (c) [1, 3) Need Help.
asked by Jessie 
teaching
How do program and state standards for teachers promote professionalism in teaching?
asked by crystal 
alg
Divide: p^2 + 4p  5 / p^2 + 7p + 10 * p + 4 / p  1 a) p + 2 b) p + 2 / p + 4 c) p+4 / p+2 d)2 Just need to know if my answer is right or wrong and the answer i picked was c
asked by sean 
alg
Multiply: 8r + 16 / 24r  24 * 6r  6 / 3r + 6 a) 2/3r b) 2/3 c) 2 d) 2(r + 2) / 3r b
asked by sean 
business
The ABC Company purchased a solar powered electrical generator on March 9, 2005 for $1.5 million. At that time, it was estimated that the generator would have a useful life of 20 years and a salvage value of $50,000. Over its life span, it was estimated
asked by suman 
English
I forgot to include the following statements. I really hope you can have a look at them, too. 1) Are you excited about your holidays? 2) I'm not ashamed of what I did. I'm quite proud of it. 3) What have I done wrong? Why are you annoyed with ( at?) me?
asked by Franco 
Corp Fed Tax
Question Details: Gail and Mark from Sap Corp with the following considerations: Consideration Transferred Basis to Fair Market Number of Transferor Value Shares Issued From Mark Cash $50,000 50,000 installment obligation 140,000 250,000 30 From Gail Cash
asked by Jessica 
English
I have to explain what the terms below are within the framework of the study of texts:  Representation Appropriation Tranformation Textual Intergrity
asked by Nia 
statistics
The first class in a relative frequency table is 50–59 and the corresponding relative frequency is 0.2. What does the 0.2 value indicate?
asked by Anonymous 
business law
What is the chronological order of the major legislation that makes up the history of employment law in this country?
asked by Debbie 
geometry
A 30degrees60degreesright triangle is half of what other kind of triangle?
asked by Superman 
alg
what are the nonpermissible value for the rational expression (x^2 + x 6) / (x^2 + x 12)? a) x = 0 and x = 2 b) x = 0 and x = 4 c) x = 2 and x = 3 d) x = 3 and x = 4
asked by sean 
music
what kind of tip would you give me to do for counting the notes on the staves?
asked by patsy 
earth science
If all matter is made up of the same atoms from the periodic table, is there a big difference between living organisms and non living objects? why or why not?
asked by Jessica 
PHYSICS
If a car hs kinetic energy KE and if its speed increases by 41% what does the kinetic becomes
asked by Anonymous 
math
what is the decimal notation of 23 over 8
asked by Roger 
Business
Explain three benefits of conducting an external analysis
asked by naaz 
EARTH SCIENCE
Do you foresee humans colonizing the planets and moons of our solar system in the long term future of our species? What kind of terraforming would be necessary to make this possible?
asked by Anonymous 
algebra 1
Which two of the four equations represents parallel lines?
asked by Arianna 
algebra
6x8y=16 8y6x=16
asked by kelly 
chemisrty
When 50.0 ml of 1.00 M KOH is reacted with 50.0 ml of 1.00 M HCL, the temperature rose from 20.0 degrees celsius to 28.7 degrees celsius. What is the heat generated by this neutralization? (Assume that the density of the two 1 M solutions is 1.00 g/ml and
asked by gary 
physics
An elevator of mass M rises a distance H in time T and acquires potential energy PE. If it rises the same distance in half the time the increase in potential energy will be?
asked by Anonymous 
Fed Tax
Locust Corp desires to set up a distribution facility in a southern state. After consideration negotiations with a small town in Alabama, Locust accepts the following offer: land (fair market value of $3 million) and cash of $1 million. a) How much gain,
asked by Jessica 
mat 116 algebra
function and function notation using the variable x and explain how we evaluate a function for a given x
asked by faith10 
HCA 220
I havnt received my textbook yet...can someone tell me what the condition of not feeling is? I know it has something to do with aesthesia but what is the correct word?
asked by you know me... 
History
what are hitlers qualities? xx
asked by krisha 
Grade 11th Maths
This problem is related to ChapterSets. Please solve the question using x method. x method means x ∈ A ∩ B Q. For any sets A and B. Prove that A∩B⊂A and A∩B⊂B.
asked by Akash 
Grade 11th Maths
This problem is related to ChapterSets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If A⊂B, then prove that B'⊂A'
asked by Akash 
Grade 11th Maths
This problem is related to ChapterSets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If AB=A then show that A∩B=Ø
asked by Akash 
Grade 11th Maths
This problem is related to ChapterSets. Please solve the question using x method. x method means x ∈ A ∩ B Q. If AUB=Ø, then prove that A=Ø,B=Ø
asked by Akash 
math
how do i write $3,337.55 on a check in words on?
asked by don 
statistics
When you add the values 3, 5, 8, 12, and 20 and then divide by the number of values, the result is 9.6. Which term best describes this value: average, mean, median, mode, or standard deviation?
asked by Anonymous 
statistics
What is the range of the values 2.0, 3.7, 4.9, 5.0, 5.7, 6.7, 8.5, and 9.0? What is the median? what is the mean? What is the mode?
asked by Anonymous 
computers
hl=en&lr=&as_qdr=all&ei=pAQqTJXuBsP38AaSnPTRCA&q=how+does+an+information+system+work+what+are+its+people+organizational+and+technological+components+List+and+describe+the+people+organizational+and+technological+components&start=10
asked by marty