High School

Calculate the amount of heat, in calories, that must be added to warm 38.1 g of brick.

A) Brick
B) Ethanol
C) Wood

Answer :

Final answer:

The amount of heat required to warm 38.1 g of brick by 1°C, assuming a specific heat capacity of 0.84 J/g°C, is approximately 32 Calories.

Explanation:

To calculate the amount of heat, in calories, that must be added to warm 38.1 g of brick, we need to know the specific heat capacity of the brick, which varies depending on the type of brick. However, for illustration let's assume the specific heat of the brick to be around 0.84 J/g°C. Now, we also need to know the temperature difference. Assuming we're raising the temperature by 1°C, the heat (q) required would be calculated by the equation q = m * c * ΔT, where m is the mass of the brick, c is the specific heat capacity, and ΔT is the change in temperature. Substituting the given and assumed values, q = 38.1g * 0.84J/g°C * 1°C = 32 Calories approximately (since 1 Calorie equals to 4.18 Joules).

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