Предмет: Физика, автор: Alexandr14

какой объем занимает 20 г гелия при температуре 200К и давлении 150кПа?

Ответы

Автор ответа: Elenalove
0

по закону Клоперона-Менделеева:

PV=m/M*RT, где Р-давление,V-объем, m-масса,M-молярная масса,Т-универсальная газовая постоянная, которая равна 8,31, а Т-температура в Кельвинах

подставляем все в формулу, выражаем объем:

150*V=20/4*8,31*200

150*V=8310

V=8310/150=55.4

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Exercise 1
Insert the article where it is necessary.
1. This is … pen. That is … pencil. 2. This is … book. It is my … book. 3. Is this your … pencil? — No, it
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Exercise 2
Insert the article where it is necessary.
1. When is your … birthday? — My … birthday is (on) … 1st May. 2. Do you remember your mother’s
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