Which equation correctly relates the heat of reaction to the standard heats of formation?
∆h° = ∆hf ° (products) + ∆hf ° (reactants)
∆h° + ∆hf ° (products) = ∆hf ° (reactants)
∆h° = ∆hf ° (products) – ∆hf ° (reactants)
∆h° – ∆hf ° (reactants) = ∆hf ° (products)

50 pts plz what is the physical state of matter of baking soda.

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Draw the lewis structure for the trisulfur s3 molecule. be sure to include all resonance structures that satisfy the octet rule.