_Au2S3 + _H2---> _Au + _H2S Question 3 options:

A- 1, 3, 2, 3

B- 1, 2, 4, 2

C- 1,3,1,2

D- 2, 1, 1, 3

21. consider the following chemical reaction: n2+ o2 2 no if 10.0 g of n2 reacts with excess oxygen then how many grams of no can be formed? a) 10.7 g b) 21.4 g c) 32.9 g d) 42.8 g page 4 of 8

What is the oxidation state of each individual carbon atom in c2o42−?

What would be the original temperature of a gas that has a volume of 2.0 l and a pressure of 2.0 atm and an unknown temperature that the volume increased to 3.5 l in its pressure decreased to 1.0 atm if the final temperature is measured to be 11°c