m=20 кг t1=-20 t2=36 t=0 c1=2100 Дж/(кг*С) c2=4200 Дж/(кг*С)
λ=3,3*10^5 Дж/кг Q=?
===
Q=Q1+Q2+Q3
Q=c1*m*(t-t1)+λ*m+c2*m*(t2-t)=2100*20*20+3.3*10^5*20+4200*20*36=
=104.64*10^5 Дж (10,464 МДж)
================================
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
m=20 кг t1=-20 t2=36 t=0 c1=2100 Дж/(кг*С) c2=4200 Дж/(кг*С)
λ=3,3*10^5 Дж/кг Q=?
===
Q=Q1+Q2+Q3
Q=c1*m*(t-t1)+λ*m+c2*m*(t2-t)=2100*20*20+3.3*10^5*20+4200*20*36=
=104.64*10^5 Дж (10,464 МДж)
================================