Given the chemical equation Na2CO3(aq) +
Ca(OH)2 -> 2NaOH(aq) + CaCO3(s), deter-
mine to two decimal places the molar masses of
all substances involved. Then, write the molar
masses as conversion factors.

Y=‐1x + 7 if y has a value of ‐24 what is the value of x?

How many moles of oxygen gas are produced from the decomposition of six moles of potassium

Alidded glass container is filled with a colored gas. after a period of time, it is observed that the gas is uniformly spread throughout the box and that the movement has slowed considerably. next, a warm iron plate is carefully placed under the box. why is there resumed movement of the gas in the container?