Question

Какое количество теплоты, необходимо для испарения воды массой 40 г., взятой при температуре 10 °С​

Answer 1

Ответ:

168дДж ето правельно ᕙ( • ‿ • )ᕗ

Answer 2

Calculating the Heat Required to Vaporize Water

To calculate the amount of heat required to vaporize water at a given temperature, we can use the formula:

Q = m * L

Where: - Q is the heat required, - m is the mass of the substance (in this case, water), - L is the specific latent heat of vaporization.

Given: - Mass of water, m = 40 g - Temperature, t = 10 °C

We need to find the specific latent heat of vaporization, L, at the given temperature.

Specific Latent Heat of Vaporization at 10 °C

The specific latent heat of vaporization of water varies with temperature. At 10 °C, the specific latent heat of vaporization of water is approximately 6065 J/g.

Calculating the Heat Required

Using the formula Q = m * L, we can calculate the heat required to vaporize 40 g of water at 10 °C:

Q = 40 g * 6065 J/g = 242600 J

Therefore, the amount of heat required to vaporize 40 g of water at a temperature of 10 °C is approximately 242600 Joules.