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If 1 kg of water is heated from 25°C to 75°C, how much heat is absorbed? (Specific heat of water = 4.2 J/g°C) (2021)

Practice Questions

1 question
Q1
If 1 kg of water is heated from 25°C to 75°C, how much heat is absorbed? (Specific heat of water = 4.2 J/g°C) (2021)
  1. 21000 J
  2. 42000 J
  3. 84000 J
  4. 105000 J

Questions & Step-by-step Solutions

1 item
Q
Q: If 1 kg of water is heated from 25°C to 75°C, how much heat is absorbed? (Specific heat of water = 4.2 J/g°C) (2021)
Solution: Q = mcΔT = (1000 g)(4.2 J/g°C)(50°C) = 210000 J.
Steps: 0

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