36.0 mol of P4O10 contains how many moles of P?

What does the law of conservation of mass state? a. mass can be destroyed but not created during a chemical reaction. b. mass can be created and destroyed during a chemical reaction c. mass cannot be created nor destroyed in a chemical reaction. d.

On a periodic table, element names are represented by:

What is the volume of 4 moles of oxygen?

Heather just drank 40.0 grams of water (H20). How many moles of water did she just drink? O a. 2.22 moles b. 45 moles O c. 40.0 moles O d. 0.45 moles O e. 720 moles

6. Identify each element as a metal, metalloid, or nonmetal a. gold b. silicon C. sulfur d. barium

How many moles of nitrogen gas are in a 10.0 L container at STP? a. 0.45 moles b. 22.4 moles c. 10.0 moles d. 6.02 x 1023 moles

In your own words, explain John Martin s theory about iron dumping.

List four common signs that a chemical reaction has occurred.

How does water evaporate from: (different things)

The molar mass of NH3 is 17.03 g/mol. The molar mass of H2 is 2.0158 g/mol. In a particular reaction, 0.575 g of NH3 forms. What is the mass, in grams, of H2 that must have reacted, to the correct number of significant figures?