Вопрос
NaHo: m_(1)=0,2Kr m_(2)=0,8Kr c_(1)=c_(2)=4200(甲times K)/(Krcdot ^circ )C t_(1)=100^circ C t_(2)=25^circ C t=40^circ C Q_(2)- ? Q_(1)-?
Решения
4.5
(203 Голоса)
Савелий
Экспертная проверка
профессионал · Репетитор 6 лет
Ответ
To solve this problem, we need to use the formula for heat transfer:
where:-
is the heat transferred,-
is the mass of the substance,-
is the specific heat capacity of the substance, and-
is the change in temperature.Given:-
-
-
-
-
-
We need to find
and
.First, let's calculate the change in temperature for each substance:-
-
Now, we can calculate
and
:-
-
Therefore,
and
.