Thursday
August 28, 2014

Posts by me


Total # Posts: 1,043

Physics
What hanging mass will stretch a 1.9-m-long, 0.54mm - diameter steel wire by 1.2mm ?
June 29, 2011

mathematics
Three times the reciprocal of the sum of two consecutive odd integers is 3/20. Find the two consecutive off integers.
June 5, 2011

MATH
michael borrowed $ 700 from his father. He promise to pay back the $700 with interesd in 9 moths. If michael pays his father 6% simple interest how much does he owe at the end of 9 moths?
June 4, 2011

algebra
x=3-3y x+3y=-6 need to find the graph points
May 31, 2011

Chemistry 12
do your own homework.
May 22, 2011

chemistry
i reallly need help with combining the gas laws. here are a few questions i am struggling with if anyone could please help! 1. A steel container holds 750.L of O2 gas at STP. a) how many moles of O2 does the container hold? b)how many grams of O2 does the container hold? c) if...
May 22, 2011

chemistry
thank you very much! if you could help me with this as well i would be very appreciative! A steel container holds 750.L of O2 gas at STP. a) how many moles of O2 does the container hold? b)how many grams of O2 does the container hold? c) if the pressure were reduced by ...
May 21, 2011

chemistry
i have two questions. 1. generally speaking, if the pressure of a gas is tripled, what will happen to its volume? 2. If I take 2000L of gas at STP and squish it into a gas 15.0L gas cylinder, what will be the pressure inside the cylinder, assuming the temperature is kept ...
May 21, 2011

chemistry
I need walked through this question, please. In testing for the efficacy of an antacid compound, 5.0g of hydrochloric acid is mixed with 24.0g of magnesium hydroxide. Is this enough base to react with all the acid?
May 17, 2011

chemistry
how do you know what the actual yield will be?!
May 14, 2011

chemistry
if unlimited iron is available to react with 34.0g of copper (II) chloride, how many g of copper metal would be produced?
May 14, 2011

math
1) The vocabulary is confusing 2) You are stupid 3) 3 + 3.5 + 7 = 13.5
May 9, 2011

math
9 apples/ 14 students a ratio or a rate ?
May 8, 2011

math
28
May 8, 2011

geometry 2
32 × 32 28 × 28 24 × 24 20 × 20 16 × 16 12 × 12 8 × 8
May 4, 2011

geometry 2
Xenia is ordering a cake for her friend’s wedding. She knows that there will be 110 guests at the wedding, and she is trying to decide how large a cake to order. She has been told that each guest should get a piece of cake that is 4 inches by 4 inches. She would like to ...
May 4, 2011

Program planning and evaluation
Please respond to the following questions either by writing the design name or by describing the design using standard notation (X = program, O=observation, R= random assignment). For each design, please discuss all threats to internal validity. 1. a. Design: Single group ...
May 1, 2011

physics
Noob
April 30, 2011

physics ---- really dnt get this at all
noob
April 30, 2011

physics
noooob
April 30, 2011

chemistry
how many mL of 0.50 M ammonia would be needed to react with 1.0 L of 0.75 M HClO4
April 18, 2011

chemistry
idk
April 12, 2011

xbis/219
Ms. Sue, then don't answer the question. If you want to know then ask.
April 1, 2011

math/geometry
Two boxes must be wrapped. Both boxes are right rectangular prisms. The smaller box has a length of 12 inches. The larger box is similar to the first and has a length of 48 inches. Find the ratio of the amount of paper needed to wrap the large box to the amount of paper needed...
March 24, 2011

music appreciation
The overture for A Midsummer's Night Dream is a one-movement work ________? a.in sonata form . b. famous for interplay of piano,violin and cello. c.known for massive sound of the orchestra. d. that presents the same musical idea in each strophe of the text. thank you
March 18, 2011

geometry
Suppose line AB is parallel to line MN.Name all angles congruent to angle 8. In the figure at the right, x is parallel to y.List all angles that are congruent to angle 1. If the measure of angle 5 is 45 degrees, what are the measures of the other angles. This is on page 472 in...
March 8, 2011

math
a rectangle has a perimetr of 30m, if the length is at least twice the width,find the range of possible values of the width of the rectangle.
March 6, 2011

social studies
fdgdfgghfhg
March 5, 2011

music appreciation
The Baroque period began around the year ___?
March 4, 2011

english
How long did the journey to Virginia actually take Smith and the colonists?
March 2, 2011

math
i dont get this explain please. k
February 23, 2011

Physics/ electricity
Isn't it just suppose to be 9.3nc instead of 29.3nC?
February 22, 2011

Physics/ electricity
Consider a square of side length a = 9.7 cm with charged particles at each of the corners. Three of the particles carry +9.3 nC of charge while the fourth particle carries -9.3 nC. In volts, what is the electric potential at the center of the square? Hint: Choose the potential...
February 22, 2011

math
solve by elimination 5x+3y+5z=-16 2x+5y-z=-26 x-4y+2z=10
February 19, 2011

English
hah, i agree with kat. its something to do with chocolate thats all im gonna say...
February 18, 2011

English
*high fives kat*
February 18, 2011

english
On Monday April 23, 2012 at approximately 6:15 pm I Officer John Doe received a radio call to 1630 Featherstone Ave, Auburn Hills, Michigan 48326 in reference to a domestic violence call. Upon my arrival at the call location I was met at the door by the caller Rose Smith who ...
February 15, 2011

Accounting 280
E15 1
February 14, 2011

chemistry
As you saw in Part B, the vapor above the cyclohexane-acetone solution is composed of both cyclohexane vapor and acetone vapor. What mole fraction of the vapor above the solution, X(cy) vapor), is cyclohexane?
February 8, 2011

chemistry
A 20mg sample of a compound is dissolved in 5.0 mL of water and extracted with 2.5 mL of heptane. After seperation of the layers, the heptane layer is found to contain 15 mg of the compound. What is the partition cofficient of the compound, K(hept/water)
February 7, 2011

chemistry
A 20mg sample of a compound is dissolved in 5.0 mL of water and extracted with 2.5 mL of heptane. After seperation of the layers, the heptane layer is found to contain 15 mg of the compound. What is the partition cofficient of the compound, K(hept/water)
February 7, 2011

Physics
Hello, I have e problems with dis question A harmonic wave on a string moves along the x-axis according to: (x,t) =5.0 (cm) sin[ (2.5m^-1) x - (63s^-1) t ] At x = 1.0 m when t = 2.2 s the speed of the oscilations on the string is closest to ... me thought that you can just ...
January 26, 2011

Chemistry
If an Alka-Seltzer tablet has a mass of 4.953 g, and an Erlenmeyer flask containing an HCl and water solution weighs 160.351 g, what is the percent by mass of NaHCO3,in the tablet if the Erlenmeyer flask and its contents weigh 164.027 g after reaction? Please include the ...
January 25, 2011

math
In 2001, Windsor, Ontario received its maximum amount of sunlight, 15.28 hrs, on June 21, and its least amount of sunlight, 9.08 hrs on December 21. a. Due to the earth’s revolution about the sun, the hours of daylight function is periodic. Determine an equation that can ...
January 23, 2011

Math
State domain, range, period, vertical asymptotes, zeros, symmetry and y-intercept of y = -2tan(3x + 180) + 3
January 22, 2011

Math
Describe how the graph of y + 3 = 2sin(3x + 90) compares to the graph of y = sin(x)
January 22, 2011

Organic Chemistry
Thanks! and you do mean that it is 0.0123 moles, therefore I would plug in 3 for M, and 0.0123 for moles so that implies 3 x L = 0.0123 --> 0.0123/3 = L = .0041 L ~ 4.0mL ?
January 20, 2011

Organic Chemistry
I realize this is a general chemistry stoichiometry question, however I can not fully grasp it. I am supposed to calculate the theoretical amount (volume) of 3M sodium hydroxide (NaOH) needed to convert 1.5g of benzoic acid to its salt. I got 0.012 moles of bezoic acid present...
January 20, 2011

Chemistry
The format came out wrong - the double bond of oxygen to carbon occurs at the first apex.
January 20, 2011

Chemistry
Hi I hope you can understand this...the Na ion is attached to the oxygen using ionic bonding. The \/ are meant to symbolize the hydrocarbon chain. The || is a double bond that bonds oxgen to carbon. O || Na O/\/\/\/\/\/ + CaCl2 -> ? + NaCl To give you some background, it ...
January 20, 2011

pre-algebra
can you please help me find the common denominater to this problem? n+2/3=1/9
January 13, 2011

math
help find common denominator
January 13, 2011

math
n+2/3=1/9
January 13, 2011

math
are you there?
January 13, 2011

math
how do you find the common denominator
January 13, 2011

math
n+2/3=1/9
January 13, 2011

math
4=4/9+y
January 13, 2011

math
Solve Equation by Adding or Subtract fraction using Addition property of Equality or Subtraction property of equality. x-5/6 = 1/10
January 13, 2011

dressmaking
Mrs. Shotto was once one of your regular customers, but she hasn't asked to have any garments made in approximately one year. You note she has lost weight. She would like you to make her a special silk blouse to replace a favorite blouse that has worn out. The blouse has ...
January 12, 2011

Business finance
10.38
January 10, 2011

chemistry
what volume will 5.00g of dinitrogen oxide gas occupy at 50.0 degrees celcious and 12.0 atmosphere
January 10, 2011

chemistry
what is the mass of 250.0 ml gas at 25 degrees celcious at 0.359 atmosphere
January 10, 2011

chemistry
what is the density of methyl gas at 25 degrees celcious and 1.50 atmosphere.
January 10, 2011

calc
forget it :) i figured it out! thanks!!!!
December 29, 2010

calc
i just looked at it and tried to figure it out but i just don't get it. in the example you gave me there was already a rate that the air was being pumped, but in mine there is none. it's asking for the rate. I just don't get it
December 29, 2010

calc
im so confused :( Willie Makit blows up a spherical balloon. He recalls that the volume is V=4/3Pi*r^3. In order for the radius to increase at 2cm/sec, how fast must Willie blow air into the balloon when the radius is 3 cm?
December 29, 2010

organic chemistry
Ferrocene cannot be nitrated using the conventional HNO3-H2SO4 mixed acid conditions, even through nitration is an electrophilic aromatic substitution reaction. EXplain.
December 29, 2010

organic chemistry
In the formation of diacetylferrocene, the product is always the one in which each ring is monoacetylated. Why is no diacetylferrocene produced in whcih both acetyl group are on the same aromatic ring?
December 29, 2010

organis chemsitry
what is the main structural feature of the azo dyes that causes them to be colored compounds.
December 29, 2010

Organic chemistry
1. In in experiment, sodium bisulfite solution is added at the end in order to destroy the unreacted bromime. What reaction is occuring here? Is HSO3- acting as an oxiding or reducing agent? Write a balanced equation as part of your answer.
December 29, 2010

Organic Chemistry
If 3-bromo-1-propanol is treated with NaOH, a compound of molecular formula C3H6O is formed. suggest a structure for this product.
December 29, 2010

physics
Please help me to solve this problem about electic potential : An electric car accelerates for 7.0 s by drawing energy from its 290-V battery pack. During this time, 1200 C of charge pass through the battery pack . Find the minimum horsepower rating of the car.
December 19, 2010

physics
Please help me to solve this problem about electic potential : An electric car accelerates for 7.0 s by drawing energy from its 290-V battery pack. During this time, 1200 C of charge pass through the battery pack . Find the minimum horsepower rating of the car.
December 19, 2010

physics
A car starts from rest accelerates with a constant acceleration of 1.5 m/s squared. HOw far does the car move in 4 seconds?
December 10, 2010

math
What does a snowflake have to do with math?
December 1, 2010

statistics
A newspaper survey found that 65% of readers found online tutorials useful. If a random sample of 9 readers is selected, compute the standard deviation of the probability distribution.
December 1, 2010

sewing
What is a wood clap used for in sewing ? thank you
November 30, 2010

Math
$102,400
November 23, 2010

PLEASE HELP. physics
For A- m1v1 = m2v2 (.015kg + .25kg)V = .015kg + 200m/s v = 11.3m/s (1/2)mv^2 = mgh so h=(1/2)(v^2)/g h = 6.5m
November 21, 2010

sociology
How can the three sociological perspectives (e.g., social functionalism, social conflict, and symbolic interaction) be used to conceptually understand social deviance?
November 20, 2010

Physics
2T=(2*pi*massproton)/(chargeproton*B) So a) B=(pi*1.67*10^-27)/(1.6*10^-19*155*10^-9) b) Doubling the kinetic energy changes the velocity. Period T does not depend on velocity so the answer is 155 ns.
November 17, 2010

Physics
lift.
November 14, 2010

chemistry
SCl2= sp3 SCl6= sp3d2 SCl4= sp3d
November 6, 2010

math pleaseee help!!!!!!!!!!!!
what is the best parking space/shortest that would take the from store 1 to store 2 and back to the car?use the following information: -the distance between store 1 to store 2 is 25 yds wide. -driveway between the sidewalk and parking lot is 10 yds this all they give me please...
November 4, 2010

college
be used to conceptually understand multiculturalism?
November 3, 2010

calculus
Let A be the bounded region enclosed by the graphs of f(x) = x , g(x) = x3 . Find the volume of the solid obtained by rotating the region A about the line x + 2 = 0.
October 31, 2010

math
how long was the dolphin show? the number of minutes is between 40 and 60. the tens digit is one less than the ones digit. the number has 4 tens. what is the answer
October 31, 2010

HCR/230
Thank you so much..but have already checked those and they did not help..
October 28, 2010

HCR/230
I do not understand it...and my book does not help. I have looked thru my book on more then one occasion and can not figure out how to answer them. So could u ever be so kind to help me in the right direction.
October 28, 2010

HCR/230
What are the basic elements of an effective medical office financial policy? In what ways do medical office procedures support financial policies? What are the consequences when office procedures do not support the financial policy? What recommendations, strategies or tools ...
October 28, 2010

math
i need help thats why im on this sight because im trying to find the answer! urghh
October 27, 2010

9th grade math
suppose u invested some money at 8% simple interest for five years. if u received $500 in interest, how much money did u invest?
October 26, 2010

9th grade math
suppose you invested $1200 for four years. you earned $312 in simple interest. what is the interest rate?
October 26, 2010

9th grade math
you invest $1500 for three years.find the amount you earn at an annual rate of 8.25%
October 26, 2010

math
at a local grocery store, the bananas they receive are transported through three stages: from the farmer to the market, from the market to the wholesaler, and from the wholesaler to the grocery store. at each stage, the price of the bananas increases by 20% of the previous ...
October 25, 2010

Maths
Divide $4000 to Kimand Dan in the ratio 3:5 How much money will each have?
October 21, 2010

Math
ok so you have 23 = 1-d If you are looking for d than you have to get d by itself. To do this you can do it one of two ways. you can add D to both sides to get rid of the negative d (b/c you are looking for positive d). this would leave you with 23+d=1 then to get d by itself ...
October 19, 2010

Math
if you are solving for d then all you have to do is subtract both sides by one and then divide by a negative d= -22 or add d to both sides and subtract 23 either way works
October 19, 2010

Physics
Utexas? I hate it too =(
October 16, 2010

math
the answer is 13
October 11, 2010

Pages: <<Prev | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | Next>>

Search
Members