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вычисление количества вещества(или объёма) полученного газа если известна масса исходного вещества
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Предмет:
Химия -
Автор:
gabriellemroy - 6 лет назад
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Ответы 2
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V=m/р(массу делить на плотность)
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Автор:
patches - 6 лет назад
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0
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m/M(молярная) и получаешь количество вещества, что бы найти объём надо ещё умножить на 22.4л( так как в 1 моль вещества занимает объём 22.4 литра(для газа))
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Автор:
jayleenvincent - 6 лет назад
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0
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ребята помогите с глаголом и пассивным залогом.
1. перепешите предложения в прошедшем времени.
Im sure we will meet our targets
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2. преобразуйте прямую в косвенную речь.
" I wont put it in the sales because its selling very well" she said.
"Ive read the report and I dont understand section 4" he said.
" When I finish my presentation Im going to have a drink" he said.
"Im preparing the figures but I wont be long " she said.
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"Have you prepared the figures?" my boss asked me.
"When is your birhtday?"I asked Franchesca
"Did you remember to back up the file?"she asked him.
"Why have you turned off the air conditioning?"Ellen asked me.
"Do you speak Italian?"they asked me at the interview.
"How much did you pay for your car?"I asked Pablo.
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Предмет:
Английский язык -
Автор:
messiah - 6 лет назад
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Ответов:
2 -
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