Questions Asked on
January 8, 2010

chemistry
Q.1 Calculate the extent of hydrolysis of 0.005M K2CrO4.If K2=5*10^7 for H2CrO4.(It is essentially strong for first ionisation).
asked by mohit 
algebra 2
i don't understand this word problem. Barnany's godfather is alway complaining that back when he was a teenager, he used to be able to buy his girlfriend dinner for only $1.50 a) If that same dinner that Barnaby's grandfather purchased for $1.50 sixty
asked by axela 
AP Biology
Assume that a particular genetic condition in a mammalian species causes an inability to digest starch. this disorder occurs with equal frequency in males and females. In most cases, neither parent of the affected offspring has the condition. (a) Describe
asked by Jessica 
Physics
A 930 kg car strikes a huge spring at a speed of 22 m/s, compressing the spring 12.0 m. (a) What is the spring stiffness constant of the spring? (b) How long is the car in contact with the spring before it bounces off in the opposite direction?
asked by BJ 
english
 Computers  English  Foreign Languages  Health  Home Economics  Math  Music  Physical Education  Science  Social Studies GRADE LEVELS  Preschool  Kindergarten  Elementary School  1st Grade  2nd Grade  3rd Grade  4th Grade  5th Grade  6th
asked by peter 
chemistry
In any chemical reaction, the quantities that are preserved are what? A. the number of moles and the volumes B. the number of molecules and the volumes C. mass and number of atoms D. mass and moles
asked by Joe 
algebra 2
i don't understand this word problem. Barnany's godfather is alway complaining that back when he was a teenager, he used to be able to buy his girlfriend dinner for only $1.50 a) If that same dinner that Barnaby's grandfather purchased for $1.50 sixty
asked by axela 
physics
An automobile tire is rated to last for 60,000 miles. To an order of magnitude, through how many revolutions will it turn? i put 10E7 but i got it wrong since i used 1rev/8ft
asked by eng 
Physics
A mass m at the end of a spring vibrates with a frequency of 0.93 Hz. When an additional 607 g mass is added to m, the frequency is 0.63 Hz. What is the value of m?
asked by BJ 
Advanced Biology
The cells of cellular slime molds bear a resemblance to: a) flagellated cells b) diatoms c) ciliated cells d) dinoflagllates e) amoeboid cells I think it's b!
asked by Jennifer 
physics
An auditorium measures 35.0 m multiplied by 15.0 m multiplied by 5.0 m. The density of air is 1.20 kg/m3. What is the weight of air in the room in pounds? i got 4.25 x 10^5 and the page says that "Your response differs from the correct answer by orders of
asked by eng 
earth science
how do the four subsystems of earth interact with one another
asked by shaquetta 
science
Why does a hot air balloon begin to rise when heat is trapped inside of it?
asked by wizard 
math
a bank teller had $2750 in 10 dollar bills and5 dollar bills he had twice as many10 dollar billsas 5 dollar bills how many of each bill does he have
asked by abby 
calculus
1.) Lim [√(x + 1)  (2)] / (x  3) x > 3 2.) Lim [ (1/ x + 4)  (1 / 4)] / (x) x > 0
asked by Daryll 
Biology
Hi! If I have two plants with the genotypes Rrtt and rrTt where red color(R) is dominant over white(r) and being tall(T) is dominant over being short(t).If I complete a Punnet square, will it look loke this: R r r r t Rt rt T rT rT t rt rt t rt rt How can
asked by Jay 
chemistry
A. What is the mass of Solution 3? in g B. What is the density of Solution 2? g/ml solution 1: Mass Empty Flask (g):42.252 Mass NaCl (g):0.911 Volume Water (mL):100 Mass of Flask + Solution (g):43.107 solution 2: MEF: 45.778 mass nacl:0.897 volume water:
asked by eng 
Chemistry
Although viscosity varies over a factor of more than two in the series from hexane to nonane, the surface tension at 25 degrees C increases by only about 20% in the same series. How would I account for this?
asked by Anonymous 
Impossible chemistry problem
Kinetics Challenge Problem Consider the following reaction: CH3X + Y → CH3Y + X At 25oC, the following two experiments were run, yielding the following data: Experiment 1 : [Y]0 = 3.0 M [CH3X] Time(hr) 7.08 x 103M 1.0 4.52 x 103M 1.5 2.23 x 103M 2.3
asked by frank 
Posted several times know one gets A
Kinetics Challenge Problem Consider the following reaction: CH3X + Y → CH3Y + X At 25oC, the following two experiments were run, yielding the following data: Experiment 1 : [Y]0 = 3.0 M [CH3X] Time(hr) 7.08 x 103M 1.0 4.52 x 103M 1.5 2.23 x 103M 2.3
asked by bill 
economics
a monopolist, has a total cost curve given by TC = 5Q + 15. He sets two prices for his product, a regular price, PH, and a discount price, PD. Everyone is eligible to purchase the product at PH. To be eligible to buy at PD, it is necessary to present a
asked by v 
math
1. 24 quarts = 6 gallons? 2. 5 cups = 40 quarts? 3. 8 cups = 4 pints? 4. 81000 pounds = 4 1/2 tons? 5. 1 quart = 2 cups? 6. 8 gallons = 32 quarts? 7. 32 quarts = 8 gallons? 8. 13 quarts = 1/4 gallons? 9. 24 full ounces = 1/5 pints? 10. 112 ounces = 7
asked by Dakota 
com 220
Questions 56 Directions: In each of the following sentences some part of the sentence or the entire sentence is underlined. Beneath each sentence you will find four ways of writing the underlined part. The first of these repeats the original, but the
asked by Anonymous 
Physics
A mass sitting on a horizontal, frictionless surface is attached to one end of a spring; the other end is fixed to a wall. 3.0 J of work is required to compress the spring by 0.17 m. If the mass is released from rest with the spring compressed, it
asked by BJ 
math 157
How many threesymbol codes (letter, letter, number) can be made from the letters S, P, Y and one digit fro the set {0, 1, 2,...9} without repitition? What and how do I get started?
asked by Rmz 
algebra
I just need a quick check before I hand in my work if you would...Thanks. 1. I am to use the intercepts to graph the equation x+3y=6 I used the formula y=mx+b using 3 and 6 for x I got these as my ordered pairs to graph (3, 1), (6, 4)…Is this correct?
asked by S 
college math
Give a verbal, visual, numerical and graphic representation of the idea three fourths? Can you help by explaining this to me? I'm not understand what they are wanting
asked by sueann 
Business Maths
Please how do i calculate this problem and enter it in a journal entry: If a company issues 10year, 8%, $100,000 bonds paying interest on an annual basis, at a $5,200 premium, the annual interest expense on the bonds will be:
asked by Peaches 
MATH ANALYSIS
how do i evaluate the function csc 11 pie/4 without using a calculator
asked by anonymous 
BUISNESS AND TECHNOLOGY
. When disasters hit an area, the cost of everything seems to go up immediately: food, water, housing, gas and so forth. Explain why this phenomenon may be a good thing, using the laws of supply and demand to explain your answer.
asked by ALEX 
Trig
In each right triangle ABC, find B. The right angle is at C. 1. a= 11.7 m, b= 14.9 m 2. The angle of depression from the top of a 64fttall tower to a deer is 47 degrees 16 minutes. Find the distance from the deer to the bottom of the tower.
asked by Lauren,=) 
math 157
Consider the experiment of selecting a card from an ordinary deck of 52 playing cards and determine the probibility of the stated event. A. A nonface card or a 7 is drawn B. A card that is not a king and not a spade is drawn. For A a nonface card is 10/13
asked by Rmz 
business
You are a manager in a large, global manufacturing and services organization. You're trying to explain to your grandfather how different your job is from his before he retired ten years ago. You both know how society has changed and you want to explain how
asked by Anonymous 
business
Plan for a job search by considering how you would manage the résumé,job application letter, interview, and followup letter. Create a table that lays out a daybyday plan to use as a job aid for your employment search, spanning 3 weeks.
asked by Anonymous 
ITALIAN
hello, can anyone translate this? could be a poeticlike translation. i just can't seem to make sense out of this, when i use a dictionary or an online translator. help please! thank you. "Si che morte Si che morte e lontananza Provi incor pena infinita
asked by jj 
Literature
How does Shakespeare use foreshadowing in the first 4 acts of Romeo and Juliet? I just need some examples Thanks MC
asked by mysterychicken 
us history
Okay it's late and I just cant get this, Help? G. Washington's Farewell Address (1796) I have to write a newspaper editorial for, or against, his foreign policy warnings to avoid "permanent alliances.", where do I start?
asked by Taylor 
Chemistry
What type of reaction occurs when potassiumbromide solution is mixed. With lead(II) acetate solution? Gas evolution, oxidation reduction, precipitation, acidbase neutralization, or no reaction
asked by Coug 
English{World Literature}
What is 'predicting' and 'foreshadowing' and what is the difference between them? How can I define "flashback'? Thanks for helping!"
asked by Sara 
chilcare
When a child not only throws a ball farther than she had previously, but also changes the way the throws the ball, the change is called A cumulative B multifactoral C quantitative D qualitative The answer correct is A
asked by Abbie 
Accounting
If a company pays $4.90 dividend at the end of the year, and the stock price is $80, and the growth rate is 6%. How could you increase the dividend yield? If a company has constant 5% increase in dividend payouts each year and no increase in the growth
asked by Robert 
college
I have to write a one page essay that explains 2 of the 6 characteristics of interpersonal communication and illustrate how each one is demonstrated in your communication style and I don't know how to begin.
asked by Linley 
teachers aide
1. What is active listening?
asked by ashley 
US hISTORY
What did Washington do with his slaves at the end of his presidency?
asked by oWEN 
algebra
how would I write an equation for the following linear relationships: (x5,y20),(x10,y30)(x15,y40)(x20,y50)(x25,y50)(x30,y50)
asked by Kate 
chemistry help plz
if 4.55 g of sodium sulphide and 15.0 g of bismuth nitrate are dissolved in separate beakers of water which are then poured togehter, what is the maximum mass of bismuth sulphide an insoulble compound that could precipitate? Which reactant was the
asked by bobsley plz conform 
Algebra
Not sure on a few of my answers, can you help? 1. Find the slope and y intercept : f(x)=5x7 slope = 5 intercept = (0,7). Is this right? 1/2x=5/6 my answer was 5/3 was this right? If I have these two sets of coordinate (4,0) and (0,2) will my slope
asked by HGO 
algebra
In a certain state, people with an income under $15K pay a minimum income tax plus a % of the amount over $12,750.00. The table below shows the income, x, and the taxes paid; y for several people. Using a a linear model, what is the additional % people pay
asked by bridgette 
science
why does tomatoe sauce stick to pasta?
asked by pe 
Literature
'Make a list of possible conflicts or dramatic situations for a narrative. You have an open feild, the narrative can be about anything! These might be internal or external conflicts and they can be personal to your or not.' Any suggestions? Thanks MC
asked by mysterychicken 
math 157
Consider the experiment involving rolling a single die once. What is P(even and Prime)? I do not know how to start this can anyone help?
asked by Rmz 
precalc
The city planners of bakersfield, CA are studying the current and future needs of the city. The sewage system they have in place now can support 300,000 residents. The current population of the city is 180,000, up from 122,000 eight years ago. Assuming
asked by maddy 
Science Projet
In what brand of shampoo will marbles move the slowest
asked by Sachi 
Math
1. 24 quarts equals 6 gallons? 2. 5 cups equals 40 quarts? 3. 8 cups equals 4 pints? 4. 81000 pounds equals 4 1/2 tons? 5. 1 quart equals 4 cups? 6. 8 gallons equals 32 quarts? 7. 32 quarts equals 8 gallons? 8. 13 quarts equals 1/4 gallons? 9. 24 full
asked by Dakota 
chemistry
Please help!!! Desperate for answer!!!? Did the equation do not know the 2nd questions"s answers for the problems a) 2O3(g) = 3 O2(g) + heat (O3 IS UNDERLINED) [6.0x101] [0.21] b) 2 CO2 (g) + heat = 2 CO(g) +O2(g) (CO IS UNDERLINED) [0.103] [0.024] [1.18
asked by Shanta 
algebra
factoring ax^2+bx+c 30x^24x54
asked by Brenda 
math 157
Suppose that P(A)= x. The probability of the complementary event B is 0.7, what is the value of x. would it be 0.3
asked by Rmz 
child development am i on right track
• Choose four of the emotional characteristics described on p. 375 of the text. For each of the chosen characteristics, identify what you believe is a healthy and appropriate emotional response for a child in infancy, early childhood, middle childhood,
asked by scooby 
science and social studies
Is there more to Neal Armstrong's speech on the moon than One small step for man One giant leap for mankind?
asked by Elijah 
math 157
three cards are drawn without replacement from an ordinary deck of 52 playing cards. What is the pronanility that the third card is a spade if the first two cards were not spades? How do I even start this?
asked by Rmz 
algebra
Is (5,2) a solution of 4x2y=6 I said no, am I right? I am working on another problem where they want to know if this system of equations is perpendicular or parallel or neither, I said neither. Is this right? I am to solve by using elimination: 2x+3y=1,
asked by Lara 
math
Is (5,2) a solution of 4x2y=6 I said no, am I right? I am working on another problem where they want to know if this system of equations is perpendicular or parallel or neither,5x+4y=2, 4x5y=4 I said neither. Is this right? I am to solve by using
asked by Lara 
World History
In what ways were the great civilizations of the New World similar to those of the Old World?
asked by Katie 
Biology
I hope you can help me with this question: "Imagine that you go to a party with a friend who starts drinking alchohol.Describe , step by step , the effects to that individual as he drinks more and more alchohol as the evening progresses and the long term
asked by Sara 
math
to evaluate a variable expression,you must___________values for the variable,and then calulate the results
asked by Alicia 
Algebra
The Political Noise Problem. The amount of background noise is important to television news reporters. One station developed the formula N=t^2+12t+54 showing the noise level in decibels (N) as it relates to the time after the speaker stops talking in
asked by Kate 
Precalculus
I'm interested in teaching myself Precalculus and would like to find a good book with lesson plans and assignments. Any ideas?
asked by Sheryl 
Religous studies
Im 11 and i need to know how to research the following and be able to understand it myself.I'm finding this hard. 1)Three examples of what believers would say of evidence of God in the world. 2)Describe the problem of evil 3)Describe a christian response
asked by Lewis 
child development(am i correct)
Choose four of the emotional characteristics described on p. 375 of the text. For each of the chosen characteristics, identify what you believe is a healthy and appropriate emotional response for a child in infancy, early childhood, middle childhood, and
asked by scooby 
2nd grade
What is importance of AIR in buoyancy?
asked by manahil 
Cultural Diversity
write a 1000 word paper that presents the risk of Malathion.
asked by Anonymous 
Math
Decide whether each statement is possible or impossible: 1) sinx = 13/12 2) secx = 1
asked by Anonymous 
algebra
student buys books that cost $10.25, pays with $20.00, gets change in quarters and 50 cent pieces, how many of each do they get?
asked by Marie 
algebra
The Political Noise Problem. The amount of background noise is important to television news reporters. One station developed the formula N = r^ + 12t + 54 showing the noise level in decibels (N) as it relates to the time after the speaker stops talking in
asked by Kate 
science
What is the name of the porous lava rock with a density less than water? Thanks
asked by 1234 
geography
what's the differences between the various sources of energy and how are they alike?
asked by michael 
DR. BOB PLEASE HELP
Can you answer Shanta's question from 11;36. I still can not get it. Paper due today.
asked by Shanta 
BUISNESS AND TECHNOLOGY
What advantages might a socialist system have when responding to the needs of the poor in an emergency situation as it was after Hurricane Katrina?
asked by ALEX 
math
640=.4(L8)2
asked by Manda 
Accounting
Does the structure of a company's portfolio matters in deciding on the required rate of return? In other words does the ratio of stocks to bonds affect the required rate of return?
asked by Robert 
Chem Very Urgent
if 4.55 g of sodium sulphide and 15.0 g of bismuth nitrate are dissolved in separate beakers of water which are then poured togehter, what is the maximum mass of bismuth sulphide an insoulble compound that could precipitate? Which reactant was the
asked by Helly 
math 157
If P(A)= 1/2, P(B)= 1/6 and P(A and B)= 1/2, what can you say about P(A and B)? I don't understand?
asked by Rmz 
Algebra
Hello, can someone help me solve and check the following 1) x  8 = 20 Check: 2) x + 15 = 35 Check: 3) x +6 = 3 Check: The symbol 'x' is in italic. If I can understand the symbols better, I belive I can get the hang of the course.
asked by Tamir 
Moral Philosophy
Moral Philosophy best suited for making Business decisions...
asked by Suzy Kasza 
Chemistry
how do i calculate the number of moles of .066g of silver? what's the equation?
asked by Cassidy 
marketing
What are the opportunities/threats for 3M to take the Postit Highligher international?
asked by john 
math
Does the structure of a company's portfolio matters in deciding on the required rate of return? In other words does the ratio of stocks to bonds affect the required rate of return?
asked by Robert 
math
If a company pays $4.90 dividend at the end of the year, and the stock price is $80, and the growth rate is 6%. How could you increase the dividend yield? If a company has constant 5% increase in dividend payouts each year and no increase in the growth
asked by Robert 
math
Give your own example of a function using a set of at least 4 ordered pairs. The DOMAIN will be any four integers between 0 and +10. The RANGE will be any four integers between 12 and 5. Your example should NOT be the same as those of other students or
asked by Nisha 
algebra
how would I write an equation for the following linear relationships: (x5,y20),(x10,y30)(x15,y40)(x20,y50)(x25,y50)(x30,y50)
asked by Kate 
geometry
If the area of a triangle is 64cm^2 the base is h+8 what is the height? what is the base? I think it is B=64 H=56 but I don't think that's right. Could someone help me?
asked by Sam 
BUISNESS AND TECHNOLOGY
1. No economic system has been able to respond quickly to the devastation caused by war or natural disasters. Why is the free market system more likely to respond faster?
asked by ALEX 
5th grade
Please help need some ideas for my speech I want to do being trapped in a fairytale. I have some ideas but am looking for some funny ones. I am thinking of using snow white, cinderella,three little pigs and maybe hanzel and gretal. Thanks.
asked by Dorthea 
ecology
Why must a producer be at the base of every food chain?
asked by Lisa 
social studies
when it is 6:00am in California it would be
asked by tiffany 
Chemistry
what is the density of an unknown substance whose mass is 4.5 grams and volume is 5 mil?
asked by Gary 
chemistry
2420 multi ply by 24
asked by uhgjy 
accounting
Compare accounting practices (for engagement and examination) between a small county hospital and a private, not for profit nursing home under FASB guidance
asked by Sara 
algebra
what is the GCF of x^9, 3x^3, 15x^5? I think the only common factor is x am I right?
asked by Sam 
BUISNESS AND TECHNOLOGY
4. List your references according to APA guidelines in the space below. You are required to use at least one outside source to support your viewpoint and this source can be the textbook.
asked by ALEX 
Algebra
9/8 + 5/4 =
asked by Jelly 
math
Could someone please help me with this problem I don't know how to solve it and I am terrible at word problems. The amount of background noise is important to television news reporters. One station developed the formula N = t^2 + 12t + 54 showing the
asked by Punkie 
Environmental science
Do you know of any environmental problems in Del Rio, texas
asked by Mike 
Math
2x^2 3x – 4 = 0 I am not sure how to solve this one, can anyone help me?
asked by Punkie 
math 157
An experiment has three possible outcomes: A, B, and C. If P(A)= P(B)and P(C)= 2P(A), what is the probability of each? Can anyone help me get started?
asked by Rmz 
COMM 215
1. The following word group is a FRAGMENT: That movie, one of my favorites.
asked by Teresa 
Physicslunar
At what time will a full moon rise? Please enter military time in whole hours, ex. 15 for 3 pm.
asked by James 
maths
Peter had 3/4 as much money as James at first. After receiving $12 each, Peter had 3/5 as much money as James. How much money did Peter have at first?
asked by danial 
science
what is asphalt and why is it used to make a road surface ????
asked by pe 
psychology
What other disciplines can you envision making practical use of the scientific method?
asked by lola 
algebra
When simplifying,does 5^17 x 5^12 = 5^29
asked by Sam 
astronomy
How are cepheid and rr lyrae variables used in determining distances?
asked by Taylor 
marketing
Select a product or service you would like to introduce to the marketplace.
asked by Anonymous 
science
include a response to nonrenewble energy resources include oil corn and natural gas
asked by Lois 
college
what are the pros and cons of the various methods of conducting psychological research
asked by Anonymous 
science
wat 2 do with it ?? don't undrstnd it !! bcs of my teacher, she really don't explains proprly also !! plz help !!
asked by mahima.k 
math
2420 multiplay by 24
asked by usman 
math
what is angal
asked by Anonymous 
psychology
during adult younghood what are soem physical developments?
asked by scooby 
bio
Why do enzymatic reactions proceed slowly at 0°C?
asked by Cyn 
math
give five oredered pairs that make the equation true y=20+x/3
asked by jess