Part A Add coefficients to balance the chemical equations shown. KOH(s)+ CO2(g)→KHCO3(s) Express your answer as a chemical equation. Identify all of the phases in your answer. ха xb ΑΣΦ a a אן ماه 99 b b ↑ 0 ? ☑

Define the joule in terms of SI base units.

Balance each chemical equation. Al(s)+S(l)→Al2S3(s) Express your answer as a chemical equation. Identify all of the phases in your answer.

For NO2(g)NO2(g) find the value of ΔH∘fΔHf∘. Express your answer using four significant figures.   Write a balanced equation depicting the formation of one mole of SO3(g)SO3(g) from its elements in their standard states. Express your answer as a chemical equation. Identify all of the phases in your answer.     For SO3(g)SO3(g) find the value of ΔH∘fΔHf∘. Express your answer using four significant figures.     Write a balanced equation depicting the formation of one mole of NaBr(s)NaBr(s) from its elements in their standard states. Express your answer as a chemical equation. Identify all of the phases in your answer.   For NaBr(s)NaBr(s) find the value of ΔH∘fΔHf∘. Express your answer using four significant figures.     Write a balanced equation depicting the formation of one mole of Pb(NO3)2(s)Pb(NO3)2(s) from its elements in their standard states. Express your answer as a chemical equation. Identify all of the phases in your answer.       For…