Which statement describes what will happen if a student pushes the plunger to compress the water vapor

Which of the following statements is true about planck’s law

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.