Identify the correct equilibrium constant

expression for this equation:

2NO (g) + O2 (g) + 2NO2 (g)

How many atoms are there in 2 moles of oxygen

Sort the following chemicals for their ability to act as an oxidizer. List from strongest to weakest; 1 being strongest, 6 being weakest. (1-6) Ag Ni K Au Cu Ca

Consider the decomposition of water, 2H2O - > 2H2 + O2. Is energy released or absorbed in this reaction? Discuss bond energy in your answer.

The pH of lemon juice at 298 K is found to be 2.32. What is the concentration of H3O + ions in the solution? Use H304) - 107H 105 x 10-3M 479 * 10-3M 209 x 102 M 955 x 102 M Save and Exit

Assuming an efficiency of 41.50%, calculate the actual yield of magnesium nitrate formed from 136.7 g of magnesium and excess copper (ii) nitrate.

Which of these is an appropriate instrument to measure mass? balance burette ruler graduated cylinder

Which is the physical state of matter

A certain amount of H2S was added to a 2.0 L flask and allowed to come to equilibrium. At equilibrium, 0.072 mol of H2 was found. How many moles of H2S were originally added to the flask?

What happens if this cloudy mixture is poured through a filter?

What is the molar mass of a gas if 1.25 g of the gas has a volume of 255 L at STP?