19) Hydrazine, N2H4, a substance used as rocket fuel, reacts with oxygen as follows: N2H4 (1) + 3 O2(g) → 2 NO2(g) + 2 H20 (8)
A) If 65.0 g of hydrazine are reacted with 65.0 g of oxygen, which is the limiting reactant?
usg of Oz X Imol
.
B) How many grams of NO2 are produced from the limiting reactant in part A?
C) If 29.3 g of NO2 are obtained from the reaction in Part A, what is the percent yield?
20) What is the percent yield if 14.2 g of CO2 were produced and 17.7 g were calculated to be
produced from the reaction?

Explanation:

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in chemistry, adhesion and cohesion are attractive forces that exist between molecules. they hold the molecules together from each other. they are different in that adhesive force exists between molecules of different substance while cohesive force happens between molecules of same substance.

adhesion between water and glass causes water molecules at the edge of water and glass interface to climb up the wall in a narrow glass tube. this is called capillary action. cohesion is what gives glass its shape and causes water to form a droplet.