How much energy is required to raise the temperature of 12.4 grams of gaseous nitrogen from 20.1 °C to 39.2 °C ?

Answer 1

1. Here we are asked to calculate the amount of energy needed to raise the temperature of the compound. So we're going to use this equation:

q = mcΔT

where

q = amount of heat energy

m = mass

c = specific heat of nitrogen gas (look this up)

ΔT = change in temperature (Kelvins)

Remember that 1 ºC = 1 K.

2. Let's solve:

q = (12.4 g) (1.04 J / g K) (19.1 K) = 246.3136 J = 246 J