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jok3333 [9.3K]
3 years ago
5

g typical coffee mug holds up to 12 oz (340 grams) of water. How much heat energy is required to warm enough water from 23⁰C to

95⁰C for a mug of hot tea?How many kWh would it take to heat this water with an electric stove?
Physics
1 answer:
Kryger [21]3 years ago
8 0

Answer:

Explanation:

Heat required to raise the temperature

= mass x specific heat x rise in temperature

= .34 x 4200 x ( 95 - 23 )

= 102816 J .

1 kWh = 1000 x 60 x 60 J

= 3600000 J

102816 J  = 102816 / 3600000

= .02856 kWh .

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