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SOLIDS EXPAND ON HEATING BECAUSE (1)KINETIC ENERGY OF ATOM INCREASES (2)POTENTIAL ENERGY OF ATOM INCREASES (3)TOTAL ENERGY OF ATOM INCREASES (4)THE POTENTIAL ENERGY CURVE IS ASYMMETRIC ABOUT THE EQUILIBRIUM DISTANCE BETWEEN NEIGHBOURING ATOMS |
| Answer» SOLIDS EXPAND ON HEATING BECAUSE (1)KINETIC ENERGY OF ATOM INCREASES (2)POTENTIAL ENERGY OF ATOM INCREASES (3)TOTAL ENERGY OF ATOM INCREASES (4)THE POTENTIAL ENERGY CURVE IS ASYMMETRIC ABOUT THE EQUILIBRIUM DISTANCE BETWEEN NEIGHBOURING ATOMS | |