У ході електролізу, що тривав 20 хв, на катоді виділилося 1 г металу. Визначте, який це метал, якщо сила струму під час електролізу дорівнювала 2,5 А
Ответы на вопрос:
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Объяснение:
ответ:
с водопада высотой 18 метров за пять минут низвергается 200 тонн воды.какая мощность развивается при этом?
дано h=18 м m=200 000 кг t=5 мин=300 c p - ?
p= a/t=m*g*h/t=200 000 *10*18/300=120 000 вт =120 к вт - ответ
объяснение:
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