What stress would shift the equilibrium position of the following system to the right?

N2O3(g) ⇌ NO(g) + NO2(g); ΔH is positive

Decreasing the concentration of N2O3
Heating the system
Adding a catalyst
Increasing the concentration of NO

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture

Write the balanced equation for a reaction between aqueous nitric acid (hno3) and solid lithium metal (this is a single replacement reaction)

Find the mass in grams of 1.37x1020 particles of h3po4