Questions Asked on
June 27, 2011

Chemistry
Write a balanced net ionic equation (include physical states) for the following reaction: Fe(NO3)3(aq) + LiOH(aq) → LiNO3(aq) + Fe(OH)3(s)
asked by Emily 
probability/statistics
You roll two fair dice, a white one and a red one. a. find P(5 or 6 on the white die and odd number on the red die). b. Find P(odd number on the white die nad 5 or 6 on the red die). c. Find P(5 or 6 on the white die nad 5 or 6 on the red die. Please show
asked by Harley 
math
is a liter equal to 100 centiliters. Is a centiliter a greater measure than a milliliter? explain.
asked by mickel 
Chemistry
what is the proper name for (CH3)2CHCH(OH)CH3?
asked by Maya 
Statistics
Suppose that about 25% of those called will find and excuse (work, poor health, etc) to avoid jury duty. If 12 people are called for jury duty, what is the probablity that 4 or more will not be available to serve on the jury? Please show work Thank you
asked by Harley 
statistics
what is the third quartile, Q3 of the following distribution: 4,5,33,10,12,14,34,43,21,22,21,22,44,29,16,18,20,24,26,29?
asked by sarah 
calculus
find tangent line equation to the curve at the given point: y= 7e^x cos(x) P=(0,7)
asked by Mare 
geometry
Quadrilateral RSTU is a rectangle with diagonal RT. If m = 8x + 4 and = 3x – 2, find x.
asked by Savanah 
physical science
A rocket blasts off. In 10.0 seconds it is at 10,000 ft, traveling at 3600 mph. Assuming the direction is up, calculate the acceleration. 5280 ft/sec2 528 ft/sec2 100 ft/sec2 100. ft/sec2
asked by pat 
Chemistry
Assume the heat absorbed by the calorimeter was 200J. What is the calorimeter constant (Heat Capacity) if the temperature changed from 22C to 26C? I know the answer is 50 J/k. But I am not sure how to get this.
asked by Lance 
Chemistry
In a certain mountain range, water boils at 92°C. What is the atmospheric pressure under these conditions? The enthalpy of vaporization of water at 100°C is 40.7 kJ/mol. R=8.31J/(K*mol))
asked by kaleigh 
Chemistry
Calculate the molar solubility of AgI in pure water. molar solubility=9.2*10^9 M 0.14 M NaCN; Kf for Ag(CN)2 is 3.0*10^2
asked by Susan 
chemistry
Analyze and explain the buffer system in buffered aspirin (carboxylic acid).
asked by meme 
Chemistry
Calculate the calorimeter constant if 25g of water at 50C was added to 25g of water at 25C with a resulting temperature of 35C? The answer is 52.3 but I do not know how to get to this. I hope someone can help. Thanks!
asked by Lance 
math
B is the midpoint of segment AC. AB = 5x and BC = 3x + 4. Find AB, BC and AC.
asked by jordan 
Chemistry
Calculate the molar heat of neutralization in kj/mol of the reaction between HA and BOH given the following information: The temperature change equals 9C 50mL of 1M concentration of Acid 50ml of 1M concentration of Base Heat Capacity of the calorimeter is
asked by Lance 
Chemistry
Assume a piece of hot metal is added to a calorimeter containing 50mL of water at 22C. The amount of heat released by the metal was determined to be 1000J, and the equilibrium temperature in the calorimeter was 26C. Remembering that the specific heat of
asked by Lance 
Chemistry
Assume a piece of hot metal is added to a calorimeter containing 50mL of water at 22C. The amount of heat released by the metal was determined to be 1000J, and the equilibrium temperature in the calorimeter was 26C. Remembering that the specific heat of
asked by Lance 
Physics
What hanging mass will stretch a 1.9mlong, 0.54  diameter steel wire by 1.2 ?
asked by Kendra 
physical science
If a car goes along a straight road heading east and speeds up from 45 ft/sec to 60. ft/sec in 5 sec, calculate the acceleration. = Note: If the speed were given in miles per hour, and the time were given in minutes, you could change the minutes to a
asked by pat 
math
HOW MANY GRAMS OF NH3 CAN BE PRODUCED FROM 15.0 G H2
asked by SHARON 
Chemistry
Write equations for the dissociation of the following in water. Include physical states for all species. CaCl2 (NH4)2SO4 NaC2H3O2
asked by Emily 
Finance
Your company is considering a replacement of an old delivery van with a new one that is more efficient. The old van cost $30,000 when it was purchased 5 years ago. The old van is being depreciated using the simplified straight line method over a useful
asked by Nance 
engish
At the fair, not only can I eat tasty food, but I can also see awesome fireworks. how can you make that a parallel sentence
asked by latoria 
business communication
The language style of minutes reflects the type of meeting held. This means: (Points: 5) a) the more formal the meeting, the more informal the wording and tone of the minutes. b) the more informal the meeting, the more formal the wording and tone of the
asked by lisa 
physical science
While traveling south on an expressway, a car traveling 60 mph (miles per hour) slows down to 30 mph in 12 minutes due to traffic conditions. Calculate the acceleration. = 2.56.0150450 mi./hr2 NSWEn/a
asked by pat 
algebra
Which quadrants does the line representing the equation y = 8x pass through? Check all that apply.
asked by Chico 
science207
Oil and gas companies want to drill in several parks, monuments, and wildlife refuges. Do you think this should be allowed? Why or why not? Under what conditions would drilling be allowable?
asked by tamika 
Chemistry
If a solution of sodium phosphate, Na3PO4, is poured into seawater, precipitates of calcium phosphate and magnesium phosphate are formed. (Magnesium and calcium ions are among the principle ions found in seawater.) Write net ionic reactions for the
asked by Emily 
physical science
A rock tied to a string is swung around in a circle at a constant speed of 25 ft/sec. The length of the string is 1.765 ft. Calculate the acceleration. = _____ . 354.1 ft/sec2 350 ft/sec2 14.16 ft/sec2 14 ft/sec2
asked by pat 
statistics
The director of a health club conducted a survey and found that 23% of memebers used only the pool for workouts. Based on this information, what is the probablity that for a random sample of 10 members, 4 used only the pool for workouts? Please show work
asked by Harley 
chemistry
A 40.0 mL sample of 0.150 M Ba(OH)2 is titrated with 0.400 M HNO3. Calculate the pH after the addtion of the following volumes of acid, and plot the pH versus millimeters of HNO3 added. a. 0.00 mL b. 10.2 mL c. 19.9 mL d. 30.0 mL e. 39.8 mL
asked by Cindy 
American Government: Check my answers please
1. Selfinterest is not a primary motivation for people to become involved in a capitalist economy. a. True b. False Answer: A 2. In the U.S. economy, the government does not interrupt the market economy and business transactions between companies. a. True
asked by Cheryl 
science
Based on the reactivity series, decide whether the following reaction will occur. If you think there will be no reaction, write down why you think this. If you think a reaction will happen, write down why you think it will happen, and the word equation to
asked by ishaan 
science
Can someone please tell me if this paragraph makes any sense at all? I feel like I contradict myself, as I do not understand the subject very well. Thank you. "Since neither of the parents in the pedigree has the genetic disorder (as indicated by their
asked by lindsey 
Calculus
An investment grows ar a rate of 2.5% each year compounded continuously. Approximately how long will it take the investment to double?
asked by Mea 
Calculus
If the price at which x units can be sold is given by the equation p=154 ln x, approximate the marginal revenue when x=7.
asked by Mea 
geometry
If QRST below is a rectangle, find x if angle S is equal to 7x + 55.
asked by Anonymous 
geometry
the measures of two complementary angles are in the ratio 4:1. wht is the measure of the smaller angle?
asked by pujabi 
statistics
For each of the following samples that were given an experimental treatment, test whether these samples represent populations that are different from the general population: (a) a sample of 10 with a mean of 44, (b) a sample of 1 with a mean of 48. The
asked by brie 
geometry
if there are 30 students in the classroom,and the ratio for boys to girls is 4:6,how many boys and girls are in the class
asked by tierra 
algebra
an individual has two low interest loans, one at 4% interest and the other at 6% interest. The amount borrowed at 6% is $250 more than the amount borrowed at 4% If the total interest for one year is $165, how much money is borrowed at each rate
asked by Ty 
science
Can someone please tell me if this paragraph makes any sense at all? I feel like I contradict myself, as I do not understand the subject very well. Thank you. "Since neither of the parents in the pedigree has the genetic disorder (as indicated by their
asked by lindsey 
Physics
Question: A car is on a ramp 100m from the bottom of the ramp (angle of incline=30 degrees): a. If the potential energy of the car is 80902 J, how much does the car weigh? b. What is the KE half way down the ramp? c. What speed is the car moving at the
asked by Tina 
physical science
A car slams on its brakes, coming to a complete stop in 4.0 sec. The car was traveling north at 60.0 mph. Calculate the acceleration.
asked by pat 
chemistry
100 mL of water is already in the calorimeter. Use the density of water at 25°C (0.998 g/mL) to determine the mass
asked by marty 
Geometry
John places a mirror on the ground between himself and an apartment building. He then stands so that he can see the top edge of the building in the center of the mirror. The center of the mirror is 6.10 meters from her feet and 18.30 meters from the
asked by Jenny 
math
Taxi fares are $3.50 for the first half mile and $0.75 fro each addditional quater mile. Write a rule for computing the fare for an nmile trip by taxi.
asked by Anonymous 
chemistry
Starting with a 2.0 M NaOH solution, determine how you would prepare 1 L of a 0.1 M NaOH solution.
asked by Will 
Computers
What is software that monitors incoming communications and filters out those that are from untrusted sites or fit a profile of suspicious activities
asked by Dee 
Physics
In Ampere's Law, the currents outside the Amperical loop DO contribute to the magnetic field B but are NOT included in the Right side of the equation with I : ç B.ds = ƒÊ * I Why? I'm so cofused. can anyone explain plzzzz..
asked by mos def 
Chemistry
Describe how you could find the % by mass of water in the hydrate CuSO4Ÿ5H2O assuming that you did not already know the formula. Be specific and list the laboratory procedural steps you would take in the order that you would perform them.
asked by Susan 
early childhood development
the basis of a good child guidance system is the caregiver's (a)arrangement of space in the facility (b)kknowledge of child development (c)choice of equipment (d)schedule of activities i put b
asked by Tamika 
statistics
There are 20 numbers, the highest is 91, the lowest is 34. The mean is 60 and the standard deviation is 5. What are the 20 numbers?
asked by Annie 
math
List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15 years of age or younger. Find the prime factorizations of your age and the other two persons’ ages. Show your work listed
asked by ashford university 
biology
Can someone please tell me if this paragraph makes any sense at all? I feel like I contradict myself, as I do not understand the subject very well. Thank you. "Since neither of the parents in the pedigree has the genetic disorder (as indicated by their
asked by lindsey 
algebra
geometrical verification of algebric identity (a+b)²=a²+2ab+b²
asked by rashi 
physical science
If a car goes along a straight road heading east and speeds up from 45 ft/sec to 60. ft/sec in 5 sec, calculate the acceleration. = 33 ft/sec 2 NESn/aW Note: If the speed were given in miles per hour, and the time were given in minutes, you could change
asked by pat 
physical science
A weight attached to a wire is swung in a circular path. Its speed is 12 meters/sec, and it has a centripetal acceleration of 9.0 meters/sec2. Calculate the diameter of the circle. 1.3 meters 2.6 meters 16 meters 32 meters
asked by pat 
math
suppose each side of a square in the grid is 4 cenimeters and represents 1 meter at a the actual dig site.what the scale factor of the grid map
asked by johnny 
math
List the ages of two people in your life, one older than you and one younger than you. It would be best if the younger person was 15 years of age or younger. Find the prime factorizations of your age and the other two persons’ ages. Show your work listed
asked by Anonymous 
Geology
I am totally confused, need to come up with the Arrival Time of P Wave, S Wave Love Wave and Rayleigh Wave and distance from epicenter for LA and Austin when I am only supplied with the following info for Urbana: 3400 miles from Epicenter P Wave arrive
asked by Carlene 
calculus
Find all relative extreme points y=x e^x
asked by Anonymous 
physics
Suppose 2 balls of same mass are held by 4 ropes, 2 for each ball. One ball is held by 2 ropes fastened at same height to something and the other at different heights. If the angles made by each respective pair of ropes(eg. right to right) are equal, are
asked by Robert 
ENGLISH
In the essay A Modest Proposal Characterization (What is your opinion of the Irish poor?)
asked by renee 
algebra
Describe in your own words how to solve a linear equation using the equality properties. Demonstrate the process with an example. Next, replace the equal sign in your example with an inequality by using the less than or greater than sign. Then solve the
asked by John 
physical science
A car goes around a curve (the arc is part of a circle with a radius of 25 ft.) with a speed of 20.0 ft/sec. What is the magnitude of acceleration?
asked by pat 
Math
How tall would a glass (in the shape of a right circular cylinder)with a diameter of 3 inches need to be to hold 12 ounces.
asked by Shay 
Math
How many liters of water should be added to 20 liters of 40% solution of acid to obtain 30% solution?
asked by Daniel 
english
I'm writing a personal letter and I was wondering if you could check to see if my grammar in these following sentences is correct or if it's missing a comma. I don't want to post the entire letter because its personal. Thank you. I am so blessed to have
asked by English 
Physics
Is velocity conserved in a elastic and inelastic collision? I think velocity is not conserved in either collision because when they hit each other the energy transfers to one another. Am i right?
asked by Jia 
algebra
Solve the indicated set 6  3x =  31; (reals)
asked by Alysha 
PHYSICS
Which simple machine has more mechanical advantage a pulley or a inclined plane? PlEASEE HELP SUPER CONFUSED
asked by Jordan 
Science
Explain with a diagram why we see the Milky Way as a broad band of stars stretching across the sky from one horizon to another. So, I'm not sure what to draw... is it right to draw milky way then there is other galaxies in the background????
asked by Crissy XD 
science (universe)
describe the big bang theory about the origin of the universe.
asked by jason 
Calculus
After x weeks of prcatice, a student can type f(x)=80(1e^0.3x)words a minute. How sooon will the student be able to type 60 words per minute? (Round to the nearest tenth)
asked by Mea 
chemistry
100 mL of water is already in the calorimeter. Use the density of water at 25°C (0.998 g/mL) to determine the mass
asked by marty 
Chemistry
Calculate the concentrations of each of the ions in 0.25 M Fe(NO3)2. a) [Fe2+], M b) [NO3], M
asked by Emily 
Calculus
The graph of f(x)=x^33x^224x+1 is concave up when x1?
asked by Mea 
math
A uniform ladder of length 2a and mass m lies on a vertical plane with one end against a smooth vertical wall,the other end being supported on a horizontal floor. The ladder is released from rest when inclined at an angle Q to the horizontal. Find the
asked by nilufar 
English
Why did the relationship between Anne and her mother become strained? In a few sentences, analyze how their relationship as a mother and daughter was changing. This is a question for "The Diary of a Young Girl" by Anne Frank, and the answer is supposedly
asked by Court 
science207
. What is Brazil’s Cerrado, and how is agriculture affecting it?
asked by tamika 
physics
why inst velocity conserved in elastic an inelastic collisions? I know momentum is conserved but why isnt velocity?
asked by Anerella 
geometry
Given the following sets, select the statement below that is NOT true. A = {b, l, a, z, e, r}, B = {b, a, l, e}, C = {a, b, l, e}, D = {l, a, b}, E = {a, b, l} (Points : 2) E ⊂ C C ⊆ B D ⊆ C B ⊆ C C ⊆ D
asked by lori 
geography
How do the five themes of geography effect SLC and how does SLC fit into these themes?
asked by Trinity 
english
you can help me in plural form
asked by anies 
Calculus
The graph of f(x)=x^33x^224x+1 is concave up when?
asked by Mea 
consumer math
Maribel's city imposes a tax that is 40% of the state tax she pays. Her taxable income is $198.50 per week. Her state imposes tax at a rate of 5%. How much state and local tax is withheld from her weekly pay?
asked by bobby 
calculus
If 8x + 24 − 6x = 2 − x + 15x − 10, what is the value of x?
asked by Anonymous 
English
Could you review this outline for a persuasive essay? Was it done correctly? Outline for negative impact of credit card companies marketing to students on campus Com 156 My introduction to the topic and my thesis statement. Introductory Paragraph: Even
asked by Student 155 
English
Can you review this rough draft of an outline for a persuasive essay and provide any feedback? Thanks in advance! I. Introduction Even though some feel as though a student having a credit card can teach financial responsibility, a credit card company
asked by Student 155 
math
If you make a glass in the shape of a right circular cone (martini glass) how wide would the glass be if it is 4 inches tall and again holds 12 ounces?
asked by annonymous 
ENGLISH
Give one theme or message from “A Modest Proposal
asked by renee 
chemistry
what is the balanced molecular, total ionic, and net ionic equations for HC2H3O2 + Mg(OH)2 ??
asked by chelsea 
Beautiful Paradise
Will the government charge high or low prices for the products? What does the government control? The government will take a look at all the products, and they will charge the price regarding the quality of the product, if it's a high quality, rich
asked by mary 
accounting
What kinds of problems could be created in a financial report is not reliable, relevant, consistent or comparable?
asked by megan 
geography
How is culture affected by urbanization
asked by Tm 
Chemistry
Calculate the concentrations of each of the ions in 0.25 M Fe(NO3)2. a) [Fe2+], M b) [NO3], M
asked by Jessica 
math
How tall would a glass (in the shape of a right circular cylinder)with a diameter of 3 inches need to be to hold 12 ounces.
asked by Shay 
business communication
The purpose of an agenda is to: (Points: 5) a) select a meeting location. b) list items to be discussed by the group. c) control the discussion carried on by the participants. d) decide who will facilitate the meeting. is b correct or d....im not so sure
asked by lisa 
6th grade math
As baseball fans enter the stadium, a free ball is given to every 21st spectator and a cap is given to every 27th spectator. Which spectator would be the first to receive both a ball and a cap?
asked by Mbaintu 
biology
what are the effects of tonicity in red blood cells?
asked by akim 
math
use a number line to find the sum of the numbers. 1. 3 and 5 2. 6 and 3 i don't get this
asked by lauren 
physical science
A rock tied to a string is swung around in a circle with a radius of 10 ft. The centripetal acceleration is 16.9 ft/sec2. Calculate the speed of the rock.
asked by pat 
math
hi can you predict the next sequences possible from the numbers 150 05 16 20 30 41
asked by nina 
HistoryCivil War
1865Marching through Georgia How did Sherman's march affect the Confederacy, and advance the cause of Union victory ?
asked by Joanne 
composition and communication1
Can somebody please help me write 150 words on feedback from writpoint I"ve got this so far I think the feedback from writpoint was very helpful to me because it explains to me what i did wrong and how to fix my mistakes. It also tells where to put correct
asked by carrie 
math
simply the expression 4+2x+8 ??
asked by sarah 
Physics
Hi, I am in the middle of a physics lab about sound resonance, but I have no idea what "n" stands for in the equation we have to use, which is L=(2n1)(wavelength)/4 any help? thanks!
asked by Robin 
math
If x=3 and y=1 then what is 3x2+2xy5= ?
asked by NHSdogs 
math
how much would it cost to fence in a 5 acre lot (660ft long)if the fencing cost $6.00 per linear foot?
asked by Shay 
us history
What happened in the civil rights movement during the 1970s?
asked by Cathy 
statistics
There are 20 numbers, the highest is 91, the lowest is 34. The mean is 60 and the standard deviation is 5. What are the 20 numbers?
asked by Annie 
philosophy
In Some Moral Minima, Lenn Goodman argues that there are certain things that are simply wrong. Do you think Goodman is right? Using specific examples, explore the challenges Goodman presents to relativism. Determine whether you think there are such
asked by kim 
math
How tall would a glass (in the shape of a right circular cylinder)with a diameter of 3 inches need to be to hold 12 ounces.
asked by annonymous 
science207
. Describe the conditions that constitute a famine. Why does Amarty Sen say that famines are caused more by politics and economics than by natural disasters?
asked by tamika 
Health Care/Medical Coding
How are medical coding, physician, and payer feees related to the compliance process?
asked by Maria 
chemistry
how many atoms in 8.87g of silver
asked by jim 
Geometry
How tall would a glass (in the shape of a right circular cylinder)with a diameter of 3 inches need to be to hold 12 ounces.
asked by Shay 
Calculus
The graph of f(x)=x^33x^224x+1 is concave up when x1?
asked by Mea 
us history
What did President Ford mean when he said "Our great republic is a government of laws and not men."
asked by Cathy 
us history
A) What did President Ford do to try to ease turmoil in the United States? B) How did he try to ease tensions with other nations?
asked by Cathy 
Geometry
How tall would a glass (in the shape of a right circular cylinder)with a diameter of 3 inches need to be to hold 12 ounces.
asked by Shay 
trig
y=7sin20degrees/5
asked by rita 
Geometry
How tall would a glass (in the shape of a right circular cylinder)with a diameter of 3 inches need to be to hold 12 ounces. can anyone tell me the formula for this problem
asked by Shay 
chemistry
A beaker contains 199 mL of NaOH with a concentration of .100 mol/L. Calculate the number of moles of NaOH
asked by Anonymous 
ENGLISH
In the essay A Modest Proposal What recurring image do you find in the text? What impact does it have on you?)
asked by renee 
Public health
What is community emergency preparedness?
asked by Kathy 
education support
Discuss duty of care from the perspective of the teacher aide.
asked by Santie 
mod 4 child care management
Supervising your staff each day and scheduling regular staff meetings are part of the _______ management approach. A. negative feedback C. preventative B. goaloriented D. educational
asked by jj 
analizing short term loans
what is the maximum loan for which Texas Oil Supplies could qualify? If the rate is 8.5
asked by Anonymous 
short term financing
Determine the maximum loan for which Texas Oil Supplies could qualify
asked by Anonymous 
anthropology
hominids characteristics and adaptation
asked by ami 
psy 202
what stage of development is this whenever levi cries, his parents seem to satisfy him by changis his diaper, feeding him, or holding him.
asked by Anonymous 
math
how can i solve this problem? find value of x and y x + y = 6 4xy = 35
asked by zalk 
Precalculus
x2/x21 This equation is a function or not?
asked by Keila 
calculus
Dy/dx y=(2x+1)^4e^x
asked by Anonymous 
ross
Find dy/dx for y=e^x/x^2
asked by johnathan 
math
one fluid ounce of liquid is approx. 1.73 cubic inches so how many cubic inches are there in 12 ounces.
asked by annonymous 
business communication
Sales letters are effective selling tools for which of the following reasons? (Points: 5) a)Cost and selectivity b)Lack of adaptability c)Need to be produced more efficiently d)Cost of postage is A correct? can i get some help please i am not sure about
asked by lisa 
Pysics
425g/ 22/g cm * 20cm* 5cm help
asked by Liz 
mathe
find an even number having the same digits that is greather than 200 but less than 300
asked by sharmaine 
math
how much would i coust to fence in a 5 acre lot if the fencing cost $6.00 per linear foot?
asked by Shay 
human services
I have to Research a current ethical issue that deals with a change in midstream of expectations or ground rules. Do you have any suggstions?
asked by patiance 
math
write 2x 1 (negative one) using only positive exponents??
asked by leigha 
science
displacement &timeare related by t=sqtx+3.find the time taken before the velocity is reduced to zero.?
asked by frida 
science
How is potiential evaporation measured?
asked by Pat 
calculus
Dy/dx for y=x^2In(x^2)
asked by Anonymous 
early childhood education
which of the following statements is an example of a clear message to a child (a)cleanup time hurry up (b)stop that right now and get ready for a nap (c)what a rude thing to do (d)take your dirty dishes to the kitchen i put d
asked by Tamika 
rapping>???
what does it mean when they say i came down with a chip on shoulder
asked by jay 
prime factiozation
i am 25 years old and i need to the find the lcm of 15 years and 30 years
asked by paul 
calculus
If 2x  1  > 3 , then which of the following could not be a value of x?
asked by ashley 
english
you can help me in plural form
asked by anies 
poetry
What is performative aspect of a poem
asked by Karen 
math
16 divided by 2[83(42)] +1
asked by becca 
calculus
Dy/dx of y=e^x/x^2
asked by Anonymous 
early childhood education
children are more likely to loose control when they're (a)boared (b)tired (c)listless (d)active i put a am i correct a child is more likely to develop a sense of independence if he or she is gaven (a)choices (b)discipline (c)time out (d)consistent care i
asked by Tamika 
government
which colony was founded mainly as a place for personal and religous freedon?
asked by maira 
math
4(2/3 + 4/3)
asked by emily 
math
2 5/8 * 24 * 6 2/3
asked by jeff