Question

fusion state at 30cto the liquid stateloude The latcnt hcat of aluminium fusion is 4.DA10KG A system and HS cnuronment is shoun in the follouoing fiqure In the fiqure a, the suctenn wins 1500T ot heat from its environment and 2200 of work is dne by the syste m mthe cnvironment. In prt b the systenn wnsheat is0OT But 2200T of work is done inthe systm by the cnvirunmeht.For each case determine the cHome in inteina erer Surround ngs 5rroundings System System VWara Heale

Answer 1

AU = AQ – AW AU = 1500J-2200 J ou a E700 JJ AU=DO-AW (-2000]J al = 1500 J - AU= [3700]