The room temperature was t1 = 10 ° C. After oven

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The room temperature was t1 = 10 ° C. After the furnace to heat, the temperature rose to room t2 = 20 ° C. The volume of the room V = 50 m ^ 3, the atmospheric pressure P = 97 kPa. How has the mass of air in the room? The molar mass of the air 29 g / mol.

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Task 20230. Detailed solution shorthand terms, formulas, laws used in the decision, the withdrawal of the calculation formula and the response.
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