At its melting point, how much energy melts 1 kg of ice if latent heat of fusion is 334 kJ/kg?
A) 167 kJ B) 501 kJ C) 668 kJ D) 334 kJ Answer: D Explanation: Use latent heat = mass […]
Heat & Thermodynamics, Physics
Heat & Thermodynamics
Heat & Thermodynamics, Physics
At its melting point, how much energy melts 2 kg of ice if latent heat of fusion is 334 kJ/kg?
A) 334 kJ B) 1002 kJ C) 668 kJ D) 1336 kJ Answer: C Explanation: Use latent heat = mass […]
Heat & Thermodynamics, Physics
At its melting point, how much energy melts 3 kg of ice if latent heat of fusion is 334 kJ/kg?
A) 501 kJ B) 1002 kJ C) 1503 kJ D) 2004 kJ Answer: B Explanation: Use latent heat = mass […]
Heat & Thermodynamics, Physics
At its melting point, how much energy melts 4 kg of ice if latent heat of fusion is 334 kJ/kg?
A) 1336 kJ B) 668 kJ C) 2004 kJ D) 2672 kJ Answer: A Explanation: Use latent heat = mass […]
Heat & Thermodynamics, Physics
At its melting point, how much energy melts 5 kg of ice if latent heat of fusion is 334 kJ/kg?
A) 835 kJ B) 2505 kJ C) 3340 kJ D) 1670 kJ Answer: D Explanation: Use latent heat = mass […]
Heat & Thermodynamics, Physics
At its melting point, how much energy melts 6 kg of ice if latent heat of fusion is 334 kJ/kg?
A) 1002 kJ B) 3006 kJ C) 2004 kJ D) 4008 kJ Answer: C Explanation: Use latent heat = mass […]
Heat & Thermodynamics, Physics
How much heat raises 1 kg of water by 10 °C if c = 4.2 kJ/(kg·°C)?
A) 21 kJ B) 63 kJ C) 42 kJ D) 84 kJ Answer: C Explanation: Use heat = mass × […]
Heat & Thermodynamics, Physics
How much heat raises 1 kg of water by 5 °C if c = 4.2 kJ/(kg·°C)?
A) 10.5 kJ B) 21 kJ C) 31.5 kJ D) 42 kJ Answer: B Explanation: Use heat = mass × […]
Heat & Thermodynamics, Physics
How much heat raises 2 kg of water by 10 °C if c = 4.2 kJ/(kg·°C)?
A) 42 kJ B) 84 kJ C) 126 kJ D) 168 kJ Answer: B Explanation: Use heat = mass × […]
Heat & Thermodynamics, Physics
How much heat raises 2 kg of water by 5 °C if c = 4.2 kJ/(kg·°C)?
A) 42 kJ B) 21 kJ C) 63 kJ D) 84 kJ Answer: A Explanation: Use heat = mass × […]