Determine how much energy is needed to change 50 g of liquid water at 100°C to steam. 13,000J

113,000J

-113,000J

-130J

Explanation:

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In this case, since the vaporization process is carried out in order to turn a liquid into a gas due to the addition of heat, we can use the following heat equation involving the heat of vaporization of water or any other substance:

Thus, since this heat of vaporization for water is 2259.36 J/g, we plug in this amount to obtain the total energy for this process.

Which is positive due to the necessity of heat.

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b.

the accuracy of the data.

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