Liquid ammonia (boiling point = -33.4°C) can be used as a refrigerant and heat transfer fluid. How much energy is needed to heat 25.0 g of NH₃(l) from -65.0°C to -12.0°C?
Specific heat capacity, NH₃(l) : 4.7 J/(g·K)
Specific heat capacity, NH₃(g) : 2.2 J/(g·K)
Heat of vaporization: 23.5 kJ/mol
Molar mass, : 17.0 g/mol

Question

Liquid ammonia (boiling point = -33.4°C) can be used as a refrigerant and heat transfer fluid. How much energy is needed to heat 25.0 g of NH₃(l) from -65.0°C to -12.0°C?
Specific heat capacity, NH₃(l) : 4.7 J/(g·K)
Specific heat capacity, NH₃(g) : 2.2 J/(g·K)
Heat of vaporization: 23.5 kJ/mol
Molar mass,

Liquid ammonia (boiling point = -33.4°C) can be used as a refrigerant and heat transfer fluid. How much energy is needed to heat 25.0 g of NH<sub>3</sub>(l) from -65.0°C to -12.0°C? Specific heat capacity, NH<sub>3</sub>(l) : 4.7 J/(g·K) Specific heat capacity, NH<sub>3</sub>(g) : 2.2 J/(g·K) Heat of vaporization: 23.5 kJ/mol Molar mass, : 17.0 g/mol A) 5.5 kJ B) 6.3 kJ C) 39 kJ D) 340 kJ E) 590 kJ

: 17.0 g/mol

Quizplus · Accepted Answer

The Answer of Liquid ammonia (boiling point = -33.4°C) can be used as a refrigerant and heat transfer fluid. How much energy is needed to heat 25.0 g of NH₃(l) from -65.0°C to -12.0°C? Specific heat capacity, NH₃(l): 4.7 J/(g·K) Specific heat capacity, NH₃(g): 2.2 J/(g·K) Heat of vaporization: 23.5 kJ/mol Molar mass, : 17.0 g/mol A) 5.5 kJ B) 6.3 kJ C) 39 kJ D) 340 kJ E) 590 kJ

Liquid Ammonia (Boiling Point = -33