Please help In which atom do the valence electrons experience the larger electron affinity, Rb or
Sr? Explain why

If a bottle of olive oil contains 1.4 kg of olive oil, what is the volume, in milliliters ( ml ), of the olive oil?

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

A50.0 ml sample of gas at 20.0 atm of pressure is compressed to 40.0 atm of pressure at constant temperature. what is the new volume? 0.0100 ml 0.325 ml 25.0 ml 100. ml