define a system - including the falling ball - in which the total momentum is conserved becuse the whole system together is isolated

According to the tide table below what time of day will the highest tide occur?

Order the sequence of ideas that lead to marie curies discovery of radioactive elements number the events in chronological order starting with the oldest

Estimate the change in the gibbs energy and molar gibbs energy of 1.0dm3 of octane when the pressure acting on it is increased from 1.0 atm to 100 atm. the mass density of octane is 0.703 g cm−3