Calculate the amount of heat (in kJ) required to raise the temperature of a 79.0 g sample of ethanol from 298.0 K to 385.0 K. The specific heat capacity of ethanol is 2.42 J g^-1 °C^-1.

Question

Quizplus · Accepted Answer

To calculate the heat required, use the formula q = mcΔT. Here, m = 79.0 g, c = 2.42 J/g°C, and ΔT = 385.0 K - 298.0 K = 87.0 K. Convert the temperature change to °C (since 1 K = 1 °C), and calculate q = 79.0 g * 2.42 J/g°C * 87.0 °C = 16605.54 J = 16.6 kJ.

Calculate the Amount of Heat (In KJ) Required to Raise