What mass of ethyl alcohol will give up 33,000 J of energy as it cools from 27°C to -3°C

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What mass of ethyl alcohol will give up 33,000 J of energy as it cools from 27°C to -3°C

[From: ] [author: ] [Date: 11-05-03] [Hit: ]

566kgc. 1.92�109kgd. 0.453kg-You cant do this unless you are told the specific heat capacity of ethyl alcohol.Suppose it is c(in J/kg.......

What mass of ethyl alcohol will give up 33,000 J of energy as it cools from 27°C to -3°C?

a. 2.41x109kg
b. 0.566kg
c. 1.92�109kg
d. 0.453kg

-

You can't do this unless you are told the specific heat capacity of ethyl alcohol. Suppose it is 'c
(in J/kg.K)

Use: energy = mass x c x (temperature change)

1

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