How many moles of mercury are produced if 24.5 g of mercury (II) oxide decompose? 0.113 mol

1.25 mol

4.50 mol

3.33 mol

How many grams of oxygen (O2) will be produced if 461.4g of mercury (Hg) are produced? *

36.80 g

10.75 g

24.33 g

98.12 g

(only respond if you know)
(thanks:)

Which of the following warnings would an agricultural chemist tell a farmer who wants to recycle his or her own ammonia? recycling ammonia is a difficult process that sometimes takes weeks. recycling ammonia requires a degree in biochemistry or a related field. recycling ammonia can be harmful because it is highly flammable and toxic. recycling ammonia costs too much money considering the price of the necessary chemicals.

Apound is approximately 0.45 kilogram. a persons weighs 87 kilograms. what is the persons’s weight, in pounds, when expressed to the correct number of significant figures

1.9 mol hcl and 3.9 mol naoh react according to the equation hcl + naoh −→ nacl + h2o . if the limiting reactant is hcl, calculate the amount of nacl formed.