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3 years ago

Calculate the heat in joules "Q" needed to raise 27.0 g of water from 10.0 °C to 90.0 °C.

Chemistry

1 answer:

Morgarella [4.7K]3 years ago

5 0

Answer:

9028.8 J

Explanation:

The equation for working out the amount of thermal energy required is q = m c Δ T , where q is the amount of energy, m is the mass being heated up in grams, c is the specific heat capacity of what you're heating up in joules per gram per kelvin, and Δ T is the change in temperature in Kelvin.(Change in temperature will always give the same value,no matter Celsius or Kelvin)

mass = 27g, assuming specific heat capacity of water is 4.18 J/g*K, and the change in temperature is 90-10(=80) , the energy needed to raise : 80 × 27 × 4.18 = 9028.8 J

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Calculate the heat in joules "Q" needed to raise 27.0 g of water from 10.0 °C to 90.0 °C.​

Calculate the heat in joules "Q" needed to raise 27.0 g of water from 10.0 °C to 90.0 °C.