Stoichiometry Assessment A

1. If 13.5 moles of oxygen are reacted with an excess of ammonia, how many moles of NO and of H20 are

formed given the following reaction? Show all work for credit.

4 NH3 + 502 - --> 4 NO + 6H20

Why is ice in a glacer considered to be a mineral but water a glacier is not

Which of the following describes how matter moves between producers, consumers, and decomposers in an ecosystem. A) One-way flow from producers to consumers to decomposers. B) One-way flow from decomposers to consumers to producers.

What kind of chemical reaction does the chemical equation sodium + chlorine → sodium chloride represent?

Ethan pushes a wooden box across a carpeted floor. Then he pushes the same box across a smooth marble floor. Why does Ethan find it easier to push the box on the marble floor than on the carpeted floor?

When an atom loses electrons it becomes?

The tapeats sandstone in the grand canyon is an example of a clastic sedimentary rock. such clastic sedimentary rocks can be distinguished from biochemical sedimentary rocks by

An ice cube and a scoop of table salt are left outside on a warm, sunny day. Explain why the ice cube melts and the salt does not

Which atomic orbitals overlap to form the C-O bond of dimethyl ether, (CH3) 20? O c 2sp^3 + 2sp^3 OC 2sp^2 + 0 2p O c 2sp^2 + 0 25p^2 O C 2sp^3 + O 2sp?

For the reaction CO+2H2=CH3OH at 700 K, equilibrium concentrations are [H2]=0.072 M, [CO] = 0.020M, and [CH3OH] = 0.030 M. Calculate K

How to make fluffy slime without contact solution?