During WW2, battleships would shoot their 16-inch main guns to project an 800km projectile at the enemy as far as 22 miles aways. If the projectile leaves the muzzle moving at +850m/s, what is the momentum of that projectile?

Darla claims that the first periodic table developed by mendeleev was not completely accurate, so it is not useful at all. harmony argues that it establish the periodic table we use today, making it more credible. who is correct and why? darla is correct, because a model that has any mistakes should be thrown out. darla is correct, because a good model would not need to change. harmony is correct, because mendeleev’s model had all of the information correct in the first version. harmony is correct, because mendeleev’s model made predictions that came true.

Which statement can best be concluded from the ideal gas law?

What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?