Multiple Choice
Phosphine, PH3, a reactive and poisonous compound, reacts with oxygen as follows: 4PH3(g) + 8O2(g) → P4O10(s) + 6H2O(g) If 15.0 g of phosphine reacts with sufficient oxygen, how many grams of P4O10 will be formed?
A) 125 g
B) 31.3 g
C) 5.00 x 102 g
D) 18.9 g
E) 75.7 g
Correct Answer:

Verified
Correct Answer:
Verified
Q81: Given that 4NH<sub>3</sub>(g)+ 5O<sub>2</sub>(g)→ 4NO(g)+ 6H<sub>2</sub>O(g), if
Q82: When a 0.525 g piece of zinc
Q83: Ammonia is usually made by the following
Q84: The figure shows a molecular-level diagram of
Q85: When mercury(II)oxide, a red crystalline solid, is
Q87: A 2.50 g sample of pitted prunes
Q88: When mixed, solutions of silver nitrate, AgNO<sub>3</sub>,
Q89: The q value for the following reaction
Q90: When potassium metal is exposed to air,
Q91: Consider the following specific heats of metals.