The British thermal unit (Btu)is commonly used in engineering applications. A Btu is defined as the amount of heat required to raise the temperature of 1 lb of water by 1 °F. There are __________ joules in one Btu. 1 lb = 453.59 g; °C = (5/9)(°F - 32°); specific heat of H₂O (l)= 4.184 J/g-K.

Question

Quizplus · Accepted Answer

To convert Btu to joules, we need to use the specific heat of water to find how much energy is required to raise the temperature of 1 lb of water by 1°F.

1 Btu = 1 lb x 1°F x 4.184 J/g-K x 453.59 g/lb x (5/9)K/°F

= 1054.35 J

Therefore, there are 1054 joules in one Btu.

The correct answer is C.

The British Thermal Unit (Btu)is Commonly Used in Engineering Applications