Predict whether ΔS for each reaction would be greater than zero, less than zero, or too close to zero to decide: 1. I2(g) + Cl2(g) → 2ICl
2. 2NH3(g) →N2(g) + 3H2(g)
3. CO2(g) + H2(g) → CO(g) + H2O(g)
4. 2CO(g) + 2NO(g) → 2CO2(g) + N2
(g) 5. 2H2O2(l) →2H2O(l) + O2(g)

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state.a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car