Saturday

December 20, 2014

December 20, 2014

Total # Posts: 1,274

**Chemistry **

Would the molar mass become high or low if water vapors condensed under the aluminum foil before the final weighing?
*April 6, 2011*

**Chemistry**

Would the molar mass become high or low if the hole in aluminum foil was quite large?
*April 6, 2011*

**Chemistry**

A vilatile liquid was allowed to evaporate in a 43.298 g flask that has a total volume of 252 ml. The temperature of the water bath was 100 degree Celsius at the atmospheric pressure of 776 torr. The mass of the flask and condensed vapor was 44.173 g. Calculate the molar mass ...
*April 6, 2011*

**physics**

Find the shear strain that results if a force of magnitude 9.00×105 is applied to the top square face of the plate, parallel to the side, and a force of equal magnitude is applied in the opposite direction to the bottom face of the plate as shown . Note that the shear ...
*April 4, 2011*

**Business**

Define Investment banker,stock market finacial mangement and risk finacing in your own words the idetify your preferred source of funds. Describe your decision for chosing this form of funding,
*April 2, 2011*

**Whitney**

Stacy rolled a cube numbered 1 through 6 two times. what is the probability that the sum of the rolls was 7?
*March 30, 2011*

**ecomerce business**

You want to bring up concerns about security with your brother. Joseph asks you, "If the Internet is inherently not secure, then why are so many business, government, and military transactions being processed online?" Your brother feels that the security risks for ...
*March 29, 2011*

**Math**

Search: a chemist is asked to make a 25% sodium chloride from 20 ml of a 20% sodium chloride solution. How much salt should she add to make it a 25% solution?
*March 29, 2011*

**Ap english language composition**

write a five paragraph stylistic analysis essay about the story "Hills Like White Elephants" written by ernest hemingway
*March 28, 2011*

**Pre-Calc**

300=5000^e*.3x
*March 27, 2011*

**pre calc**

lnX + ln2 = 3
*March 24, 2011*

**Pre Calculus**

lnX + ln2 = 3 answer is 10.043 but I don't know how to get to this answer. Thanks for the help!!! :)
*March 24, 2011*

**calculus**

how do you separate this variable dy/dx=(x+1)/xy, x>0, y(1)=-4
*March 20, 2011*

**calculus**

how do you separate this variable dy/dx=(x^2)/y given y=-5 and x=3
*March 20, 2011*

**calculus**

solve the initial value problem by separation of variables dy/dx=-x^2y^2, y(4)=4
*March 20, 2011*

**calculus**

solve the initial value problem by separation of variables dy/dx=-xy^2, y(1)=-0.25
*March 20, 2011*

**calculus**

find an equation of the curve that satisfies dy/dx=4x^3y and whose y-intercept is 7
*March 20, 2011*

**calculus**

find an equation of the curve that passes through the point (1,1) and whose slope at (x,y) is y^2/x^3
*March 20, 2011*

**calculus**

if dy/dx=-3y and if y=1 when t=0, what is the value of t for which y=1/3
*March 20, 2011*

**calculus**

if dy/dx=ycos x and y=3 when x=0, then y= ?
*March 20, 2011*

**math**

0.567km= meters
*March 8, 2011*

**math**

yes.. I meant 45%
*March 2, 2011*

**math**

.045 fraction I have 45/100 and the percent I have 40%
*March 2, 2011*

**math**

.045 please convert to a fraction and percent
*March 2, 2011*

**math**

thank you
*March 2, 2011*

**math**

0.06 please convert to a fraction and percent
*March 2, 2011*

**math**

thank you
*March 2, 2011*

**math**

14/25 please convert to a decimal and percent
*March 2, 2011*

**math**

thank you so much
*March 1, 2011*

**math**

can 25% of something be greater than 50% of something else? Please explain.
*March 1, 2011*

**math**

thank you
*March 1, 2011*

**math**

if 65% of students are wearing t shirts and 48% are wearing jeans is this possible? Please explain.
*March 1, 2011*

**science**

One direction of movement of buildings from earthquake vibrations is? Hint...its a 9 letter word
*March 1, 2011*

**Microbiology**

The ability of farmers around the world to produce crops such as corn, wheat, and rice is often limited by the lack of nitrogen-based fertilizer. How might scientists use Beijerinck's discovery to increase world supplies of grain?
*March 1, 2011*

**Microbilogy**

Thank you very much!
*March 1, 2011*

**math**

Thank you so much!!
*February 28, 2011*

**math**

What is the percentage of 7/8ths? What is the decimal of 7/8ths?
*February 28, 2011*

**math**

f(x)=(1/2e^-6x) differientate
*February 26, 2011*

**Multicultural Psychology?**

The question is: Do populations such as women, gays, lesbians, the elderly, and those with disabilities constitute a distinct group? Why or why not? The following is my answer. Can someone help by adding more to this answer? These populations are all are distinct groups. A ...
*February 25, 2011*

**statistics**

if a football coach predicts his team to win 9 out of 10 or 90% which prediction did he use to make his prediction
*February 23, 2011*

**Multicultural Psychology**

why do people tend to ignore the importance of Multicultural Psychology ?
*February 22, 2011*

**science/maps**

thank you
*February 20, 2011*

**science/maps**

is that the answer?
*February 20, 2011*

**science/maps**

Im getting the south pole
*February 20, 2011*

**science/maps**

can i get a better hint
*February 20, 2011*

**science/maps**

An airplane flies directly west at 1,000 kilometers per hour. Without changing directions, the plane returns to its starting point in just one hour. What can you infer about the planes route with regard to lines of latitude and longitude? Explain please.
*February 20, 2011*

**science/maps**

can you explain that in 6th grade language please?
*February 20, 2011*

**science/maps**

Earths diameter is about 13,000 Kilometers. If a globe has a diameter of 0.5 meter, write the globe's scale as a ratio. What distance on Earth would 1 centimeter on the globe represent?
*February 20, 2011*

**science**

Earth's diamter is about 13,000 kilometers. If a globe has a diameter of 0.5 meter, write the globes scale as a ratio. What distance on earth would 1 centimeter on the golbe repersent?
*February 20, 2011*

**science/maps**

Thank you so Much!!
*February 20, 2011*

**science/maps**

Im getting the 1 meter interval is closer
*February 20, 2011*

**science/maps**

I think both intervals are right cause contour lines are the same..Am I right?
*February 20, 2011*

**science/maps**

Which would be more likely to show a shallow, 1.5 meter deep depression in the ground? a. 1 meter countour invterval or b. 5 meter countour interval
*February 20, 2011*

**science/maps**

thank you
*February 20, 2011*

**science/maps**

Could contour lines on a map ever cross? Explain please
*February 20, 2011*

**science**

It can be in both hemispheres then?
*February 20, 2011*

**science**

thank you
*February 20, 2011*

**science**

The South Island of New Zealand lies at about 170 degrees East. What hemisphere is it in?
*February 20, 2011*

**science/maps**

On a topographic map, how would you show a hill with an elevation of 80 feet if the contour interval is 10 feet?
*February 17, 2011*

**science/maps**

Can a contour line on a topographic map connect a point with an elevation of 100 feet to a point with an elevation of 110 feet? Explain why or why not.
*February 17, 2011*

**math**

a car drives around a circular track 3 times if the track has a radius of 0.5 miles , how far did the car travel in total?
*February 17, 2011*

**math**

Thank you so much
*February 16, 2011*

**math**

the ratio of an executives expenses to income is 5 to 8. What are the executives expenses of a month when the income is $9,800?
*February 16, 2011*

**math**

thank you
*February 15, 2011*

**math**

A model train is built using the scale 1:60. The actual length of the dining car is 2,100cm. Find the length of the dining car of the model train.
*February 15, 2011*

**math**

Thank you
*February 15, 2011*

**math**

is that 52 divided by 5 or times 5 please.
*February 15, 2011*

**math**

a train traveled for 5 hours at a rate of 52 miles per hour..How far did the train travel?
*February 15, 2011*

**math**

write each ratio in simplest form... 224/480 42:68 500 to 125
*February 15, 2011*

**managerial economic**

Where might I find the answer to the following: US cigarette makers face enormous punitve damage penalties after a series of class action lawsuits. In spite of these the cigarette makers were able to avoid bankruptcy. I need to explain why and how using elasticity, supply, ...
*February 15, 2011*

**managerial economics**

Thank you Ms. Sue
*February 15, 2011*

**managerial economics**

Discussing employee benefits, using the consumer behavior theory. Question is how do you think flexible benefit packages affect an employee's preference between higher wages and more benfits?
*February 15, 2011*

**math**

thank you
*February 14, 2011*

**math**

write each ratio in simplest form 3.5 to 0.5
*February 14, 2011*

**math**

ok thank you
*February 14, 2011*

**math**

If a scale on a map is 2.5 cm to 30 miles..if two cities are 8 cm apart on the map what is the actual distance between the 2 cities? I have 96 miles but not sure if that is right.
*February 14, 2011*

**chemistry**

determine the molarity of a 18 ml sample of HCl solution that is required to prepare 30 ml of 2.3 M HCl solution?
*February 11, 2011*

**math**

ok thank you
*February 10, 2011*

**math**

a squirrel runs 12 mph how far can it go in 5 minutes?
*February 10, 2011*

**math**

if a cheetah runs 64 mph how far can it run in 15 minutes?
*February 10, 2011*

**geometry**

If a triangle has angle measures 15, 120 and 45, and the length of the side between the 15 and 120 angles is 8, what is the area of the triangle?
*February 10, 2011*

**chemistry**

vinegar is made by adding 33 g of acetic acid to 625 if water what is the percent by mass of acetic acid in this solution of vinigar
*February 8, 2011*

**mathematics**

train L - 3hrs and 12min train M - 2hrs and 48 min
*February 8, 2011*

**math**

Thank you so much
*February 7, 2011*

**math**

on a map with a scale of 2 cm = 25 km, what would be the dimension of a 145 km by 80 km rectangle?
*February 7, 2011*

**math**

Thank You Ms. Sue
*February 7, 2011*

**math**

If it takes a person to walk 30 minutes in 3 miles..how many minutes would it take a person who walks 3.5 miles be?
*February 7, 2011*

**math**

Thank you Ms.Sue
*February 7, 2011*

**math**

if a scale on a map is 1 in. = 250 miles, what would be the map distance if the actual distance between two cities is 1,000 miles?
*February 7, 2011*

**math**

on a map with scale 2 cm:25km, what would be the dimensions of a 145 km by 80 km rectangle?
*February 7, 2011*

**College Math**

row reduced form
*February 5, 2011*

**College Math**

Given the initial augmented matrix 1 -1 0 2 3 -2 -2 3 -2 2 1 -3 RREF?
*February 5, 2011*

**math**

thank you for helping me
*January 31, 2011*

**math**

an object that weighs 234lb on jupiter weighs 100lb on earth. what would an object that weighs 400 lb on jupiter weigh on earth?
*January 31, 2011*

**Math**

COMPUTER PRODUCTION MVE Enterprises can manufacture four different computer models; the Student, Plus, Net, and Pro models. The following gives the configurations of each model: STUDENT PLUS NET PRO Processor Celeron Celeron Celeron Pentium Hard Drive 20 gb 20 gb 20 gb 30 gb ...
*January 29, 2011*

**ecomerce business**

A store specializing in collectible china and plates has decided to move into e-business. However, the store is unsure about how to get the word out about its new site and has hired your team to assist it. Brand and identity: What are the pluses and minuses of keeping the ...
*January 27, 2011*

**Science**

Calculate the change in temperature with respect to height for the following, Height (KM) Mid-Lattitude Temp (C) 0 15 11 -56 16 -56
*January 27, 2011*

**chemistry**

A samples with a mass of 35 grams and a temperature of 97.3 degree c is placed into 75.0 g of water at 19.7 degree c. The final temperature is 22.3 degree c, what is the specific heat of the sample?
*January 25, 2011*

**Intermediate Accounting**

Purchased dental equipment on January 1 for $80,000, paying $20,000 in cash and signing a $60,000, 3-year note payable. The equipment depreciates $400 per month. Interest is $500 per month
*January 25, 2011*

**science**

what is an idea that i could use to explain the water cycle including evaporation, condensation, run off, etc?
*January 24, 2011*

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