Answer to Question #183380 in General Chemistry for Lauren Veitz

Question #183380

What mass of liquid water can be heated from freezing to boiling with 42.6 kJ of energy, if the specific heat of water is 4.2 J g-1 oC-1?




1
Expert's answer
2021-04-21T04:04:24-0400

Freezing point of water = 0°C

Boiling point of water = 100°C

Cwater = 4.2 Jg-1°C-1

q = m × c × ∆T

m = q/∆T × c

= 42.6/(100-0) × 4.2

= 0.01g


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