What is the maximum number of grams of PH3 that can be formed when 41.0 g of phosphorus reacts with 22.1 g of hydrogen to form PH3? (Hint: First, find the limiting reactant.)
P4(g) + 6H2(g) → 4PH3(g)
a. 45 g
b. 0.43 g
c. 270 g
d. 6.8 g

Used the balanced equation 2h2+ o2 - -> 2h2o. if you have 7.2 grams of o2 , how many grams of h2o can you produce ?

Which are forms of frozen water? check all that apply. dew frost hail rain sleet

The reaction below shows a system in equilibrium. how would a decrease in temperature affect this reaction? a. the rate of formation of the gases would increase. b. the equilibrium of the reaction would shift to the left. c. the equilibrium would shift to cause the gases to sublime into solids. d. the chemicals on the left would quickly form the chemical on the right.