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Dane:
m=900[daq]=9[kg];
ct=25000[J/kg];
Wzór:
Q=m*ct;
Jednostka:
[Q]=[kg*(J/kg)]=[J];
Q=9*25000=225000[J]=225[kJ].
Odp.2
Dane:
Q=370[kJ]=370000[J];
ct=148000[J/kg];
Wzór:
Q=m*ct II ct;
m=Q/ct;
m=370000[J]/148000[J/kg]=2,5[kg].