# Solving Thermochemistry Problems

A house is designed to have passive solar energy features. Brickwork incorporated into the interior of the house acts as a heat absorber. Each brick weighs approximately 1.8 kg. The specific heat of the brick is 0.85 J/g-K. How many bricks must be incorporated into the interior of the house to provide the same total heat capacity as 1.7 x 10^3 gal of water?

** 10^3 (ten to the power of 3)

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#### Solution Preview

The first thing we have to do with this calculation is calculate the mass of water in grams.

1. 1 gallon is equal to 3.78 L, so 1.7 x 10^3 gal of water is equal to 6.43 x 10^3L.

2. We will assume the density of water is equal to 1.00 g/ml, or 1.00 kg/L. So, the mass of water that we have is 6.43 x 10^3Kg.

3. The next thing ...

#### Solution Summary

This solution provides calculations for various thermochemistry problems.