au 30. Given: 4AICI:(s) + 302(g) → 2Al2O3(8) + 6C12(8); AH = -529.0 kJ determine Al...
11) Given the thermochemical equation 4AICl(s)+30-(8 2AbO,(s) + 6Cl(g); AH-529 kJ/mol-rxn find ΔιΗ"for the following reaction. Also,(s) + Cl2(g)-> a. +88.2 kJ/mol-rxn b. +264.5 kJ/mol-rxn c. +529.0 kJ/mol-rxn d. +176.3 kJ/mol-rxm e. -176.3 kJ/mol-rxn AICI3(s) + O2(g)
Use the ΔH°f values provided to determine ΔH°rxn for the following reaction CH4(g) + 3 Cl2(g) → CHCl3(l) + 3 HCl(g) ΔH°rxn = ? ΔH°f (kJ/mol): -75 -134 -92 A. +662 kJ B. +117 kJ C. -151 kJ D. -335 kJ The equation that corresponds to the enthalpy of formation for NH3(g) is A. N(g) + 3H(g) → NH3(g) B. N(g) + 3/2 H2(g) → NH3(g) C. 1/2 N2(g) + 3H(g) → NH3(g) D. 1/2 N2(g) + 3/2 H2(g) →...
Combustion of 2.14 g of liquid benzene (C6H 6) causes a temperature rise of 16.2 °C in a constant pressure calorimeter that has a heat capacity of 5.53 k/°C. What is AH for the following reaction? C6H6()+02(g) - 6CO2(8)+ 3 H200) Given the thermochemical equation 4A1C13(s) + 302(g) → 2Al2O3(s) + 6C12(g); AH = -529 kJ/mol-rxn find ΔΗ. for the following reaction. A1203(S) + Cl2(2) — ŞA1C13() + 402(9)
Determine the enthalpy change for CS20 + 302(g) + CO2(g) + 2SO2(g); AH= ? using the following three thermochemical equations, which will be referred to as reactions (A), (B), and (C). (A) 2C(s) + 202(g) 2002(g); AH= -787.0 kJ (B) C(s) + 25(s) → CS2(); AH= 87.9 kJ (C) SO2(g) → S(s) + O2(g); AH= 296.8 kJ 1. The enthalpy change for the unknown reaction is 2. Describe the action performed on each thermochemical reaction. Reaction (A) was Reaction (B)...
Question 8 Calculate AH (in kJ) for the combustion of acetaldehyde, 2CH3CHO (g) +502 (g) + 4CO2 (g) + 4H20 (1) given the following thermochemical equations: CH3CHO (g) + H2 (g) – CH3CH2OH (g) AH= -- 17 kJ (1) O2 (g) + H2 (g) - H20 (1) AH = 286 kJ (2) CH3CH2OH (g) + 302 (g) - →2CO2 (g) + 3H20 (1) AH = - 1368 kJ (3) -2198 1099 e +1368 1671 -3342
10. Given the value of AH for the reactions below, what is AH 2C2H6(g) + 302(g) → 4C(s) + 6H2O(1) 2H2(g) + O2(g) → 2H2O(1) in kJ for C2H6(g). AH = -1544 kJ AH°=-572 kJ
help help help pls! 17. The value of AH° for the reaction below is -790 kJ/mol. What is the enthalpy change accompanying when 0.95 g of S is completely reacted? 2S (s)302 (g) -2SO3 (g) 18. What is the enthalpy of the following reaction: 4 HCI(g) + O2(g) Given the following thermochemical equations: H2(g)+Cla(g)-2 HCI(g) 2 H2(s)O2(g)- 2 H20(g) 2 Cl2 +2 H2O (g)? AH -185 kJ AH-483.7 kJ
Given the following data: S(s) + 02(8) -> SO3(g) AH = -395.2 kJ 2SO2(g) + O2(g) + 2503(g) AH = - 198.2 kJ Calculate AH for the reaction: S(s) + O2(g) SO2(g) +296.1 kJ -494.3 kJ -296.1 kJ 0 -197.0 kJ -593.4 kJ
O A. -8377.5 kJ Consider the following reaction: 4Al (s) + 302 (g) → 2 Al2O3 (5) AH° = -3351 kJ O2(g) is present in excess; Al is the limiting reactant. Calculate the value of AH° when 10.00 g of Al(s) are reacted. O B.-837.8 kJ OC. -1239,9 kg OD. -310.3 k) O E. -546.2 kJ
QUESTION 7 Calculate the enthalpy (AH) for the following equation: 2S(s) + 302(g) +2503(g) from the data shown below. S(s) + O2(g) → SO2(8) AH = -297 kJ 2503(8) ► 2802(g) + O2(8) [see module 9] AH = 198 kJ 0-99 kJ O-693 kJ O-396 kW O -792 KW -17