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Posts by Renae

Total # Posts: 36

Chemistry
can you help me define a buffer and explain how a buffer

Chemistry
can you help me define a buffer and explain how a buffer

Social studies
How did the search for religious freedom affect the formation of the New England colonies?

Chemistry
assume that a drop has a volume of o.o5 ml. if a titration requires 30.00 ml for completion, what % error will each extra drop over 30 ml cause? is it 30.05-30 divided by 30 then times 100 which is equal to 0.17 %

Math
One angle of a triangle is 45* greater than the smallest angle, and the third angle is 5* less than twice the smallest angle. Find the measures of the three angles.

Chemistry
A 50g chuck of metal (c=0.506 j/g degrees celsius) is heated to 60 degrees celsius. It is then dropped into a calorimeter (c=1.40 j/g derees celsius, m - 5.0g) that contains 100g of liquid. The temperature of the liquid raises from 15 degrees celsius to 20 degrees celsius. ...

Chemistry
A 50g vhuck of metal (c=0.506 j/g degrees celsius) is heated to 60 degrees celsius. It is then dropped into a calorimeter (c=1.40 j/g derees celsius, m - 5.0g) that contains 100g of liquid. The temperature of the liquid raises from 15 degrees celsius to 20 degrees celsius. ...

Chemistry
a 250.0g mass of metal at 112.4 degrees celcius is dropped in a calorimeter (c=1.40j/g degrees celsius, m = 5.0g) containing 150.0g of water. The water and calorimeter are initially at 25.0 degrees celsius. At the end of the experiment, the temperature of the water, ...

Business math
It says... use various tax schedules and charts in your textbook as appropriate. I don't have the text book. It's prob impossible for me to solve this without the textbook right?

Business math
Sarah and brad own and operate a small farm. They made $30,000 farming, $4,000 from an inheritance, $2,300 in interest on a bank account, and $3,600 in interest on tax-exempt municipal bonds. Compute their combined gross income. Do I add total? 39,900? Or do I add everything ...

Business math
Yay! Thanks

Business math
A new route to work decreases commuting time by 12.5 percent. If the old route took 32 minutes, how long does the new route take? 32 -12% = 4 32-4= 28min Please check my answer

Business math
Ok on separate computers now

business math
Okay that was my first thank you

business math
Compute the total amount to be repaidon a $1920 loan at 8% for 135 days. Base your calculation on exact interest(365-day year). I'm getting $2335.29. Can you check my work?

english literature
what does this mean. the city now doth like a garment wear

social studies
our tourism industry should provide world class service? give three reasons why workers in the tourism industry should adopt this role

social studies
thank you so much. :)

social studies
how long am I going to wait Ms.Sue

social studies
how long is this going to take?

social studies
sorry about that I meant workers

social studies
can someone please answer my question, I need it now because its very important

social studies
our tourism industry should provide world class service? give three reasons why works in the tourism industry should adopt this role

Chemistry
Air bag didn't matter

math
How do you simplify (x^10) - 1 / (x - 1)?

5th grade math
About 7/10 of the US population in 1991, which was 175,104,000, believed that look before you leap was true, what was the total population?

Introduction to Ethics& Social Responsibility
gay and lesbian marriage

Math help! Tutor only!
Find the value of the expression. 99 x 4/9 - (5+4) Is the correct answer 35? Help please how do I solve this?

Math
Find the value of the expression. 99 x 4/9 - (5+4) Is the correct answer 35?

Math
How do I solve this?

Math
Last month Bob's bill was $80.77. This month Bob's bill was $69.06. What is the percent decrease? 80.77-69.06=11.71 11.71 divide 80.77 Round answer Answer: 0.14 Is 0.14 the correct answer?

Science
Give specific examples of at least two (2) production and two (2) consumption habits humans have related to material resources.

stats
Compute the following and show your steps 7! /5!.

Algebra
Find the number of full 8 hours shifts that Cleo worked last month. He worked three times as many 8 hour shifts as 6 hour shifts. He worked a total of 180 hours.

Social Studies
Early pioneers thought that the forests were an unending resource. Why would they think that?

State & Local Government
I am having trouble understanding the Federalist #45 http://en.wikipedia.org/wiki/Federalist_No._45

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