3 years ago

Evaluate the expressions.

Mathematics

2 answers:

frutty [35]3 years ago

7 0

Answer:

(-6/7)^0=1

-(2)^0=-1

Step-by-step explanation:

hope it helped

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Rasek [7]3 years ago

5 0

Answer:

Result

Step-by-step explanation:

-8.7

Thats result for this question

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What is the heat required in kilocalories to convert 2 kg of ice at 0°C completely into steam at 100°C?

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The total amount of heat is the sum of the heat required to convert the ice to water, raise the temperature of water from 0 to 100°, and convert the heated water to steam. The heats are the product of the mass and the specific heats.
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raising of temp: (2000 g) x 1 cal/g°C = 2000 cal
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