Calculate AH for the reaction: 6 C(s) + 6 H2(g) + 3 O2(g) → C6H12O6(s) using the following three equations: C(s) + O2(g) → CO2(g) H2(g) + O2(g) → H₂O(1) C6H12O6(s) + 6 O2(g) → 6 CO2(g) + 6 H2O(1) AH°=-285.8 kJ AH° = -285.8 kJ AH°=-2803.02 kJ

Given the following data: 2 H₂(g) + O₂(g) → 2 H₂O(g) C₂H4(g) + 3 O₂(g) → 2 CO₂(g) + 2 H₂O(g) 2 CzHo(g) +7 Oz(9) → 4 CO,(g) + 6 H20(g) calculate AH for the reaction C₂H₂(g) + H₂(g) → C₂H₂(g). kJ ΔΗ = −484 kJ AH-1323 kJ ΔΗ = -2857 kJ

Calculate AHrxn for the reaction: CH4 (9) +4 Cl(g) → CCl4 (g) + 4 HCl(g) Use the following reactions and given AH´s: C(s) + 2 H₂(g) → CH4 (9) C(s) + 2 Cl₂(g) → CCl4 (9) H₂(g) + Cl₂(g) → 2 HCl(g) AH = -74.4kJ AH = -95.7kJ AH = -92.3 kJ

Classify the following compounds as primary (1o), secondary (2o), or tertiary (3o) alcohol

sketch a PE diagram for the following reactions: 2NO(g) = N2(g) + O2(g) C2H2(g) = 2C(s) + H2(g)

1) Compound 3-chlorobenzoic acid can be prepared from methylbenzene through a two- steps reaction. chemical equations for the reactions ? 2) 2 C12 (g) + 2 H20 (g) = 4 HCI (g) + 02 (g) Ac 2 HCI (g) + 1/2 02 (g) = C12 (g) + H20 (g) Ac' relationship between Ac and Ac' ? 3) Hydrogen iodide, HI decomposes 2HI (g) = H2 (g) + 12 (g) AH < 0 -2.00 atm of HI placed in a glass - allowed to reach equilibrium a) Ap for the reaction if 30.0% of HI decomposes ? b) the concentration of HI(g) will increase, decrease or remain the same when the temperature of reaction is increased ?

C7H12 (l) + ? O2(g) → 7 CO2(g) + 6 H2O(g)

Which of the following statements about the reaction H2(g)+O2(g)→H2O(l)H2(g)+O2(g)→H2O(l) is true? (i) This is an example of an acid–base reaction. (ii) O2O2 is oxidized in this reaction. (iii) H2H2 is reduced in this reaction. Which of the following statements about the reaction  is true? (i) This is an example of an acid–base reaction. (ii)  is oxidized in this reaction. (iii)  is reduced in this reaction. iii only  i only ii and iii  ii only None of them are true.

Hydrogen cyanide can be catalytically reduced with hydro-gen to form methylamine. Use Lewis structures and bond ener-gies to determine ΔH°ᵣₓₙ for HCN(g)+2H₂(g)→CH₃NH₂(g)

write a balanced chemical equation for the fermentation of glucose (c6H12O6)by yeasts in which the aqueous glucose turns into aqueous ethyl alcohol (C2H5OH) and carbon dioxide gas