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3 years ago

If 100ml of cold water is added to 100ml of hot water what happens

Physics

1 answer:

denis23 [38]3 years ago

4 0

The water will be cool and steam will be created by the hot and cold water reacting together

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Calculate the heat, in kilocalories, that is absorbed if 183 g of ice at 0.0 ∘C is placed in an ice bag, melts, and warms to bod

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Answer:

The total amount of heat needed will be $Q_T=21.411kcal$ .

Explanation:

We will divide the calculation in two: First, the heat needed to melt the ice, and then the heat needed to warm the resulting liquid from 0°C to 37°C.

$m=183g$

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$l_w=1\frac{cal}{g} =4.184\frac{J}{g}$

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So, the total amount needed will be the sum of these two results:

$Q_T=Q_f+Q_w=14.640kcal+6.771kcal=21.411kcal$ .

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