Предмет: Физика, автор: 8Бабай8

1.Баллон вместимостью 8л содержит углекислый газ .Давление газа равно 0,8 МПа , температура 37°С. Определить массу газа в балоне.
2.Найти ЭДС и внутреннее сопротивление гальванического элемента , если при сопротивлении внешней цепи 2 Ом ток равен 0,6 А, а при сопротивлении 1 Ом ток равен 1 А.

Ответы

Автор ответа: valshev
0
1. используем уравнение состояния идеального газа PV=m/M RT
выражаем m =PVM/(R T)и находим m=109 грамм
2. Закон Ома для полной цепи E=I R+I r
ответ: r=0.5 Ом
E=1,5 В
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