When the pressure that a gas exerts on a sealed container changes
from
atm to 1.80 atm, the
temperature changes from 86.0°C to
30.0°C.

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it

Calculate the mass of 0.750 mol of the following substance. na3po4.