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Serga [27]
3 years ago
7

Peter conducted the investigation below to find the energy contained in a peanut. If the burning peanut raised 20 g of water fro

m 18°C to 22°C, how much energy did it contain? Use the equation E = m × c × ΔT to find your answer. Assume that c (the specific heat capacity of water) is 4181 J/kg. Give your answer to two decimal places.
Biology
1 answer:
neonofarm [45]3 years ago
5 0

Answer:

334.48

Explanation:

delta T = 4 degrees

m = 20 grams of water

c = 4.181 J / gram

E = 20 * 4.181 * 4

E = 334.48 Joules

Remember to change c to Joules / gram

4181 j / kg * 1 kg / 1000 grams = 4.181 j / gram

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