How much heat energy is required to increase the temperature of 7 moles of each of the following gases by 50 °C?
• Helium at constant volume of 5.4 L.
• Argon at constant pressure of 9.0 atm.
• Nitrogen at constant volume of 0.5 m3.
• Carbon dioxide at constant pressure of 1.4 × 10ହ 𝑃𝑎.