The amount of heat required is 19219.2 J
Determination of the mass of nitrogen
- Mole = 3 moles
- Molar mass of nitrogen = 2 × 14 = 28 g/mol
- Mass of nitrogen =?
Mass = mole × molar mass
Mass of nitrogen = 3 × 28
Mass of nitrogen = 84 g
How to determine the heat required
- Mass of nitrogen (M) = 84 g
- Initial temperature (T₁) = 30 °C
- Final temperature (T₂) = 250 °
- Change in temperature (ΔT) = 250 – 30 = 220 °C
- Specific heat capacity (C) = 1.040 J/gºC
Q = MCΔT
Q = 84 × 1.040 × 220
Q = 19219.2 J
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