Combustion of 2.14 g of liquid benzene (C 6H 6) causes a temperature rise of 16.2...
Combustion of 2.14 g of liquid benzene (C 6H 6) causes a temperature rise of 16.2 °C in a constant-pressure calorimeter that has a heat capacity of 5.53 kJ/°C. What is Δ H for the following reaction?
C6H6(l) + 
O2(g) → 6
CO2(g) + 3 H2O(
)
| a. |
89.5 kJ/mol-rxn |
|
| b. |
–3.27 × 103 kJ/mol-rxn |
|
| c. |
–41.8 kJ/mol-rxn |
|
| d. |
–89.5 kJ/mol-rxn |
|
| e. |
41.8 kJ/mol-rxn |
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Combustion of 2.14 g of liquid benzene (C 6H
6) causes a temperature rise of 16.2...
Combustion of 2.14 g of liquid benzene (C6H 6) causes a temperature rise of 16.2 °C...
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)
Combustion of 4.93 g of liquid benzene (C_6H_6) causes a temperature rise of 20.9 degree C...
Combustion of 4.93 g of liquid benzene (C_6H_6) causes a temperature rise of 20.9 degree C in a constant pressure calorimeter that has a heat capacity following reaction? -41.8 kJ/mol-rxn 41.8 kJ/mol-rxn -3.27 times 10^3 kJ/mol-rxn 206 kJ/mol-rxn 206 kJ/mol-rxn What is the correct formula for gallium (III)peroxide? Ga(O_2)_2 Ga_2(O_2)_3 Ga_3(O_2)_2 Ga_2O_2 GaO_2
Combustion of 3.65 g of liquid benzene (CH) causes a temperature rise of 21.1°C in a...
Combustion of 3.65 g of liquid benzene (CH) causes a temperature rise of 21.1°C in a constant-pressure calorimeter that has a heat capacity of 7.23 kJ/°C. What is AH for the following reaction? CH.(l) + O2(e) 6C02(g) + 3H-0(1) Select one: -41.8 kJ/mol b. 152 kJ/mol с. 41.8 kJ/mol d 152 kJ/mol -3.27x 10 kJ/mol
Example Problem Calculate the enthalpy (AH°, ) of combustion of Benzene, CH6. rxn C6H615/2 O2 (8)6CO2 (g) + 3H2O AH...
Example Problem Calculate the enthalpy (AH°, ) of combustion of Benzene, CH6. rxn C6H615/2 O2 (8)6CO2 (g) + 3H2O AH°, [C6H6= 49.0 kl/mol AH°% [CO2(@)= -393 .5 kJ/mol AHO, [H20 = -285.8 kl/mol AH', [O2@= 0 kl/mol
16.(10) When 7.02 g of liquid benzene, C&He was burned in a bomb calorimeter the temperature of the calorimeter...
16.(10) When 7.02 g of liquid benzene, C&He was burned in a bomb calorimeter the temperature of the calorimeter rose from 25.00 to 49.36°C. If the heat capacity of the solution and the calorimeter is 12.05 kJ/°C, what is the enthalpy change of the following reaction? DH 2 C&He() + 15 O2(g) → 12 CO2(,) + 6H2O(l); AH= ? kg/mol
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The combustion of 1.010 g sucrose C12H22O11 in a bomb calorimeter causes the temperature to rise from 24.92 to 28.33 oC. The heat capacity of the calorimeter assembly is 4.90 kJ/ oC. What is the heat of combustion of sucrose in kJ per mole of sucrose?
ZnC4H10 is liquid that spontaneously undergoes combustion in the presence of air according to the following...
ZnC4H10 is liquid that spontaneously undergoes combustion in the presence of air according to the following equation ZnC4H10 (l) + O2 (g) ---> ZnO (s) + CO2 (g) + H2O (g) Balance the equation. Calculate w and Δ E when 2 mol of liquid ZnC4H10 is vaporized at 265 K and 760 mm Hg. The Δ H vaporization is 39.9 kJ/mol at 265 K.
A 35.6 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following reaction. If the...
A 35.6 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following reaction. If the temperature rose from 35.0 to 76.0°C and the heat capacity of the calorimeter is 23.3 kJ/°C, what is the value of DH°rxn? The molar mass of ethanol is 46.07 g/mol. C2H5OH(l) + O2(g) → CO2(g) + H2O(g) ΔH°rxn = ? (Points : 1) -1.24 × 103 kJ/mol +1.24 × 103 kJ/mol -8.09 × 103 kJ/mol -9.55 × 103 kJ/mol...
A 35.6 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following reaction. If the...
A 35.6 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following reaction. If the temperature rose from 35.0 to 76.0°C and the heat capacity of the calorimeter is 23.3 kJ/°C, what is the value of DH°rxn? The molar mass of ethanol is 46.07 g/mol. C2H5OH(l) + O2(g) → CO2(g) + H2O(g) ΔH°rxn = ? (Points : 1) -1.24 × 103 kJ/mol +1.24 × 103 kJ/mol -8.09 × 103 kJ/mol -9.55 × 103 kJ/mol...
35. Calculate ΔrH° for the combustion of ammonia, 4 NH3(g) + 7 O2(g) → 4 NO2(g)...
35. Calculate ΔrH° for the combustion of ammonia, 4 NH3(g) + 7 O2(g) → 4 NO2(g) + 6 H2O( ) using standard molar enthalpies of formation. molecule ΔfH° (kJ/mol-rxn) NH3(g) –45.9 NO2(g) +33.1 H2O( ) –285.8 a. +30.24 kJ/mol-rxn b. –206.9 kJ/mol-rxn c. –298.6 kJ/mol-rxn d. –1398.8 kJ/mol-rxn e. –1663.6 kJ/mol-rxn
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)
Combustion of 4.93 g of liquid benzene (C_6H_6) causes a temperature rise of 20.9 degree C in a constant pressure calorimeter that has a heat capacity following reaction? -41.8 kJ/mol-rxn 41.8 kJ/mol-rxn -3.27 times 10^3 kJ/mol-rxn 206 kJ/mol-rxn 206 kJ/mol-rxn What is the correct formula for gallium (III)peroxide? Ga(O_2)_2 Ga_2(O_2)_3 Ga_3(O_2)_2 Ga_2O_2 GaO_2
Combustion of 3.65 g of liquid benzene (CH) causes a temperature rise of 21.1°C in a constant-pressure calorimeter that has a heat capacity of 7.23 kJ/°C. What is AH for the following reaction? CH.(l) + O2(e) 6C02(g) + 3H-0(1) Select one: -41.8 kJ/mol b. 152 kJ/mol с. 41.8 kJ/mol d 152 kJ/mol -3.27x 10 kJ/mol
Example Problem Calculate the enthalpy (AH°, ) of combustion of Benzene, CH6. rxn C6H615/2 O2 (8)6CO2 (g) + 3H2O AH°, [C6H6= 49.0 kl/mol AH°% [CO2(@)= -393 .5 kJ/mol AHO, [H20 = -285.8 kl/mol AH', [O2@= 0 kl/mol
16.(10) When 7.02 g of liquid benzene, C&He was burned in a bomb calorimeter the temperature of the calorimeter rose from 25.00 to 49.36°C. If the heat capacity of the solution and the calorimeter is 12.05 kJ/°C, what is the enthalpy change of the following reaction? DH 2 C&He() + 15 O2(g) → 12 CO2(,) + 6H2O(l); AH= ? kg/mol
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