Wednesday

July 30, 2014

July 30, 2014

Total # Posts: 9

**math**

an eight sided number cube has the numbers 1,2,3,4,5,6,7 and 8 on it. the number cube is thrown once. What is the probability of 2?

**english/check**

"About Russell" 28. Russell’s family encourages him to seek help for his problems. true false 29. Russell ends up a)working with his father as a real estate agent. b)collecting and redeeming soda bottles. c)begging on the street. d)teaching math in high school. ...

**Social Studies**

correct!

**math**

If there is an square 8 by 8, how many 4 sq ft tiles would i need?

**Chemistry**

It's still not giving me the right answer. I'm pulling in the numbers, and doing the equation right. But, it keeps telling me, I am wrong.

**Chemistry**

(30.5)(X)(10.8)+(?)(10.8)=0 What number goes in the calorimeter constant ?

**Chemistry**

A 30.5 g sample of an alloy at 94.0°C is placed into 48.7 g water at 20.3°C in an insulated coffee cup. The heat capacity of the coffee cup (without the water) is 9.2 J/K. If the final temperature of the system is 31.1°C, what is the specific heat capacity of the a...

**Chemistry**

What is the change in internal energy (in J) of a system that absorbs 0.677 kJ of heat from its surroundings and has 0.438 kcal of work done on it?

**College Chemistry**

1. What is the change in internal energy (in J) of a system that absorbs 0.677 kJ of heat from its surroundings and has 0.438 kcal of work done on it? 2. A 30.5 g sample of an alloy at 94.0°C is placed into 48.7 g water at 20.3°C in an insulated coffee cup. The heat ca...

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