Chemistry by Alex P.I.P: A closed tank contains 20 lb of water. If 200 Btu are added to the water, (ALEX PEPSEGA INDRA PUTRA)

google.com, pub-6039933496604285, DIRECT, f08c47fec0942fa0 Chemistry by Alex P.I.P: A closed tank contains 20 lb of water. If 200 Btu are added to the water, (ALEX PEPSEGA INDRA PUTRA)