# Cindi

Most popular questions and responses by Cindi
1. ## Chemistry

How many joules of heat are needed to completely vaporize 24.40g of H2O at its boiling point. Delta H vap = 40.6kJ/mol

2. ## math

I already know the answer... it's 14. However, I do not know how to get this right answer. Please show me step by step. I have a test tomorrow and there will be a question somewhat like this one on it. Thank you so much!! 1. A physical education class has

3. ## trig

find the exact value of the expression , sin-1(-0.5)

4. ## Math

Please help I can't get it. Find the median 26,30,38,67,59,21,17,85,22,22 Give the five-number summary of each numbers 7,7,5,4,1,9,8,8,8,5,2 Find the range of each set of numbers 7,7,5,4,1,9,8,8,8,5,2

5. ## language arts

my 5th grade son needs help in writing. He does not know how to organize and formulate his thoughts onto paper. Do you know of any sites that might help him with this? http://www.internet4classrooms.com/skills_5th_lang.htm#writing really he could just make

6. ## math

tan ( pi/4 + theda) when tan theda = 1/2

7. ## chemistry

A solution made from 19.0 g of NaBr and 500 mL of water has what molarity?

8. ## algebra

if investor invested \$1600 in two mutual funds and one made of profit of 6% and one of 9% and total profit \$108 what was the amount of two funds

9. ## Chemestry

HELP!!!!!!A solution made from 19.0 g of Na Br and 500 ml of water has what molarity?

10. ## Social Studies

I am from outerspace. I like cats. If you ask me to dinner I will say "No problem."

11. ## science

what are polyatomic ions?

12. ## math

Again, I already know this answer... It's 12 but I do not know how to come up with this answer. Plz show me step by step how to come up with the correct answer. My test is tomorrow. Thank you in advance!! A basketball player averaged 20 points a game over

13. ## finance

Collins Office Supplies is considering a more liberal credit policy to increase sales, but expects that 9 percent of the new accounts will be uncollectible. Collection costs are 5 percent of new sales, production and selling costs are 78 percent, and

1. ## Math

20

posted on November 29, 2011