Tuesday

October 21, 2014

October 21, 2014

Posted by **Jon** on Tuesday, October 26, 2010 at 11:00am.

a) about 200 calories of heat must be added to 1 gram of ethanol to change its temperature

b) about 200 calories of heat must be added to 1 gram of ethanol to convert it from a solid to a liquid

c) about 200 calories of heat must be added to 1 gram of ethanol to convert it from a liquid to a gas

How do I figure this one out?

- IPC -
**bobpursley**, Tuesday, October 26, 2010 at 11:18amHow do you figure this out?

Learn what the heat of vaporization is:

http://www.physlink.com/education/askexperts/ae93.cfm

- IPC -
**Jon**, Tuesday, October 26, 2010 at 11:21amOkay, thank you.

- IPC -
**shaquita**, Friday, October 19, 2012 at 12:29pma block of aluminum weighing 140. g is cooled from 98.4 c to 62.2 c with the release of 1080 joules of heat. from this data, calculate the specific heat of aluminum

- IPC -
**Anonymous**, Thursday, December 20, 2012 at 8:56amWhat amount of heat is required to raise the temperature of 20 grams of water from 10°C to 30°C? The specific heat of water is 4.18 J/g°C.Select one of the options below as your answer: A. 1200 joules B. 1500 joules C. 2000 joules D. 2300 joules E. 3000 joules

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