Explain in detail what causes tides and give one reason why it is important for humans to monitor tides.
if you can do this for me. if you can could u do a paragraph or more?

Initially, the balloon had 3.0 liters of gas at a pressure of 400 kpa and was at a temperature of 294 k. if the balloon is cooled to 277 k and its volume decreased to 1 l, what will the new pressure in the balloon be?

What are the first two quantum numbers for the electrons located in subshell 4d? what are the first three quantum numbers for the electrons located in subshell 2s? how many electrons can be held in a sublevel l = 3? how many electrons can be held in the energy level n = 4? how many electrons in an atom can share the quantum numbers n = 4 and l = 3?

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.