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NemiM [27]
3 years ago
8

OMG please help I hate this.​

Chemistry
2 answers:
Iteru [2.4K]3 years ago
8 0
I think the correct answer is D
aev [14]3 years ago
8 0

Answer:

A, D

Explanation:

Water evaporates into gas which requires an increased amount of energy.

Not B because: Dry ice and ice undergo sublimation, which is different from evaporation.

Not C because: As a result of the water boiling, the energy in the environment sees an *increase*, rather than a decrease.

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Calculate the number of joules released when 0.64 grams of steam (c = 2.04 l/g
allochka39001 [22]
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      calculation
by  use of Q=MCΔ T  formula  calculate the  joules released  where
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Q  is  therefore = 0.64 g   x2.04 j/g/c x -20  c = -26.112  joules

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