Which response includes all of the following that are combination reactions, and none that are not combination reactions? LiO2 + CO2 → Li2CO3 Cl2 +2NaBr→Br2 +2NaCl HNO3 + KOH → KNO3 + H2O SO3 + H2O → H2SO4 1. Z1, Z2 and Z4 only
2. Z1 and Z4 only
3. Z1, Z3 and Z4 only
4. Z1 and Z2 only
5. Another reaction or another combination

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

What happens when an atom of sulfur combines with two atoms of chlorine to produce sci2? a. each chlorine atom shares a pair of electrons with the sulfur atom. b. an electron is transferred from each chlorine atom to the sulfur atom. c. an electron is transferred from the sulfur atom to each chlorine atom. d. each chlorine atom shares all its valence electrons with the sulfur atom.

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?