How many moles of gas are contained in a rigid, sealed, 5 l container, at 1 atm of pressure and 22 oc?

How does chemistry affect our world? a. chemicals makes our world more polluted. b. chemicals keeps us healthy. c. chemicals can or hurt our world. d. chemicals make our world safe to live in.

In numbering carbon atoms in the parent chain of a hydrocarbon, why would you number from right to left, rather than left to right

According to each substances heat of fusion, which of the items below requires more heat to be added per gram of substance to go from solid to liquid? silver sulfur water lead