Question

Маса m = 6,5 г водню, температура якого становить t = 27 °С, розширюється вдвічі за р = const за рахунок теплоти, яка надходить ззовні. Визначте роботу А розширення газу, зміну U внутрішньої енергії газу та кількість теплоти Q, наданої газу​

Answer 1

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Answer 2

#### Calculation of Work Done (A), Change in Internal Energy (ΔU), and Heat Provided (Q) To calculate the work done (A), change in internal energy (ΔU), and heat provided (Q) for the expansion of a gas, we can use the following formulas: **Work done (A):** A = P * ΔV **Change in internal energy (ΔU):** ΔU = Q - A **Heat provided (Q):** Q = ΔU + A Where: - P is the pressure of the gas - ΔV is the change in volume of the gas In this case, we are given the mass (m) of the gas, the temperature (t) of the gas, and the expansion ratio (r) of the gas. We need to determine the work done (A), change in internal energy (ΔU), and heat provided (Q). #### Calculation of Work Done (A) To calculate the work done (A), we need to know the pressure (P) and the change in volume (ΔV) of the gas. However, these values are not provided in the given information. Therefore, we cannot calculate the work done (A) without additional information. #### Calculation of Change in Internal Energy (ΔU) To calculate the change in internal energy (ΔU), we need to know the heat provided (Q) and the work done (A). Since we cannot calculate the work done (A) without additional information, we cannot determine the change in internal energy (ΔU) either. #### Calculation of Heat Provided (Q) To calculate the heat provided (Q), we need to know the change in internal energy (ΔU) and the work done (A). However, since we cannot calculate the change in internal energy (ΔU) without the work done (A), we cannot determine the heat provided (Q) either. In conclusion, without additional information about the pressure (P) and the change in volume (ΔV) of the gas, we cannot calculate the work done (A), change in internal energy (ΔU), and heat provided (Q) for the given scenario.