Answer:
The molar mass of Pb(Cr2O7)2 is 639.2 g/mol.
Cause their are both have difference s
Answer:
Bowling ball
Explanation:
They are traveling at the same speed, but the bowling ball has more mass. The bowling ball has more kinetic energy because more force is needed to stop the rolling bowling ball. Two balls with different masses moving at the same speed have different amounts of kinetic energy.