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Review Problem 6.078 Methanol is used to heat food. The combustion of methanol can be described by the following th...
Methanol is the fuel in "canned heat" containers (e.g., Sterno) that are used to heat food...
Methanol is the fuel in "canned heat" containers (e.g., Sterno) that are used to heat food at cocktail parties. The combustion of methanol follows the thermochemical equation: 2CH3OH()+302(g) 2CO2(g) + 4H20() AH-1199 k How many kilojoules are liberated by the combustion of 48.3 g of methanol? kJ
Review Problem 6.076 Methanol is the fuel in "canned heat containers (e.g., Sterno) that are used to heat food at c...
Review Problem 6.076 Methanol is the fuel in "canned heat containers (e.g., Sterno) that are used to heat food at cocktail parties. The combustion of methanol follows the thermochemical equation: 2CH,OH() + 30,(0) - 2002(0) + 4H2000 H -1199 ) How many kilojoules are liberated by the combustion of 32.3 g of methanol The number of significant digits is set to 3; the tolerance is +/-2% Show Work is REQUIRED for this question: Open Show Work
Review Problem 6.075 Magnesium burns in air to produce a bright light and is often used in fireworks displays. The...
Review Problem 6.075 Magnesium burns in air to produce a bright light and is often used in fireworks displays. The combustion of magnesium can be described by the following thermochemical equation: 2Mg(s) +02() - 2MgO(s) AH = -1203 ) Calculate the heat of reaction (in kilojoules) when the combustion of 5.49 g of magnesium occurs. Include the sign in your answer. The number of significant digits is set to 3; the tolerance is +/-29 Show Work is REQUIRED for this...
Review Problem 6.086 Given the following thermochemical equations, 2Cu + S(s) - Cu2S(s) AH° = -79.5...
Review Problem 6.086 Given the following thermochemical equations, 2Cu + S(s) - Cu2S(s) AH° = -79.5 kJ S(s) + O2(g) → SO2(9) AH = -297 kJ Cu2S(s) + 202(g) → 2CụO(s) + SO2(g) AH° = -527.5 kJ calculate the standard enthalpy of formation (in kilojoules per mole) of Cuo(s). AH°(Cuo(s)) - kJ/mol The number of significant digits is set to 3; the tolerance is +/-2% Show Work is REQUIRED for this question: Open Show Work Review Problem 6.087 Given the...
Review Problem 6.088 Given the following thermochemical equations, 4NH3(g) +70,(3) — GNO (8) + 8NH3(g) —...
Review Problem 6.088 Given the following thermochemical equations, 4NH3(g) +70,(3) — GNO (8) + 8NH3(g) — 4NO2(g) + 6H20(3) AH°=-1132 kJ N(8) + 12H,0(8) AH = -2740 kJ calculate the value of AH (in kilojoules) for the reaction 4NH3(g) + 30,($) — 2N,() + 6H20(g) AH The number of significant digits is set to 4; the tolerance is +/-2% Show Work is REQUIRED for this question: Open Show Work
Review Problem 6.085 Given the following thermochemical equations, COG) + Cl2(g)—COClz0) H,0() + COC126) + 2NaBr(s)...
Review Problem 6.085 Given the following thermochemical equations, COG) + Cl2(g)—COClz0) H,0() + COC126) + 2NaBr(s) — 2NaCIG) + Ca(OH)2C) + Brz(1) Ca(OH),() — COC) + H20() calculate the value of AH° (in kilojoules) for the reaction Cl:(8)+NaBr(s) — NaCl(s) + Brz() AH'= -110.9 kJ AH° = -60.2 kJ AH° = +65.1 kJ AH = The number of significant digits is set to 3; the tolerance is +/-2% Show Work is REQUIRED for this question: Open Show Work
Review Problem 6.083 Calculate AHo in kilojoules for the following reaction, the preparation of the unstable...
Review Problem 6.083 Calculate AHo in kilojoules for the following reaction, the preparation of the unstable nitrous acid, HNO2 HNO2 ) + NaCl) Ha)+NaNO2G) Use the following thermochemical equations: 1) 2NaCl) +HO)2HCI(g)+ NayO) AH= +507.31 kJ 2) NO(g)+NOg) + Na,O)+ 2NaNO,() AH"=-427.14 k 3) NO(g)+NO() NO(g) +O;e) AH*=-42.68 k 4) 2HNO,() N;O(g) + O;(g) + H2O(D AH +34.35 kl AH= kJ The number of significant digits is set to 4; the tolerance is +/-2 % Show Work is REQUIRED for...
Review Problem 6.085 x Incorrect. Did you perform all operations that you performed on the reactions...
Review Problem 6.085 x Incorrect. Did you perform all operations that you performed on the reactions to the values of enthalpy for each reaction? Are all your reactants and products on the correc sides? Given the following thermochemical equations, COG+Cl(s) —Cod:6) H 0(0) + COC10) + 2NaBe(s) — 2NCKG) + Ca(OH),() + Bryl Ca(OH),() —COG) + H20(1) calculate the value of AH (in kilojoules) for the reaction 01.(8) + NaBr() NaCl@) + Br() AH'= -110.9 kJ AH = -60.2 kJ...
The heat of combustion of liquid C2H60 is -1460.4 kJ/mol at 298K. Thermodynamic tables Note, tolerance...
The heat of combustion of liquid C2H60 is -1460.4 kJ/mol at 298K. Thermodynamic tables Note, tolerance on this problem is set to 1% so maintain all decimal digits as given or found in Thermodynamic Table. What is the combustion reaction to which this number applies? Instructions: • Write balanced reaction in the order: fuel + oxygen -> carbon dioxide + water (H20) • Use -> (hyphen + greater than) for yields • Do not include the states, i.e., no (s),...
Problem 9.10 Trimethylpentane The standard heat of combustion (AH) of liquid 2,3,3-trimethylpentane (CgH18) is reported in...
Problem 9.10 Trimethylpentane The standard heat of combustion (AH) of liquid 2,3,3-trimethylpentane (CgH18) is reported in a table of physical properties to be - 4850.0 kJ/mol. A footnote indicates that the reference temperature for the reported value is 25°C and the presumed combustion products are CO2(g) and H20(9). The heat capacity of water is approximately 75.40 J/(mol K) over the temperature range of interest. Physical Property Tables Heat of Combustion There is some question about the accuracy of the reported...
Methanol is the fuel in "canned heat" containers (e.g., Sterno) that are used to heat food at cocktail parties. The combustion of methanol follows the thermochemical equation: 2CH3OH()+302(g) 2CO2(g) + 4H20() AH-1199 k How many kilojoules are liberated by the combustion of 48.3 g of methanol? kJ
Review Problem 6.076 Methanol is the fuel in "canned heat containers (e.g., Sterno) that are used to heat food at cocktail parties. The combustion of methanol follows the thermochemical equation: 2CH,OH() + 30,(0) - 2002(0) + 4H2000 H -1199 ) How many kilojoules are liberated by the combustion of 32.3 g of methanol The number of significant digits is set to 3; the tolerance is +/-2% Show Work is REQUIRED for this question: Open Show Work
Review Problem 6.075 Magnesium burns in air to produce a bright light and is often used in fireworks displays. The combustion of magnesium can be described by the following thermochemical equation: 2Mg(s) +02() - 2MgO(s) AH = -1203 ) Calculate the heat of reaction (in kilojoules) when the combustion of 5.49 g of magnesium occurs. Include the sign in your answer. The number of significant digits is set to 3; the tolerance is +/-29 Show Work is REQUIRED for this...
Review Problem 6.086 Given the following thermochemical equations, 2Cu + S(s) - Cu2S(s) AH° = -79.5 kJ S(s) + O2(g) → SO2(9) AH = -297 kJ Cu2S(s) + 202(g) → 2CụO(s) + SO2(g) AH° = -527.5 kJ calculate the standard enthalpy of formation (in kilojoules per mole) of Cuo(s). AH°(Cuo(s)) - kJ/mol The number of significant digits is set to 3; the tolerance is +/-2% Show Work is REQUIRED for this question: Open Show Work Review Problem 6.087 Given the...
Review Problem 6.088 Given the following thermochemical equations, 4NH3(g) +70,(3) — GNO (8) + 8NH3(g) — 4NO2(g) + 6H20(3) AH°=-1132 kJ N(8) + 12H,0(8) AH = -2740 kJ calculate the value of AH (in kilojoules) for the reaction 4NH3(g) + 30,($) — 2N,() + 6H20(g) AH The number of significant digits is set to 4; the tolerance is +/-2% Show Work is REQUIRED for this question: Open Show Work
Review Problem 6.085 Given the following thermochemical equations, COG) + Cl2(g)—COClz0) H,0() + COC126) + 2NaBr(s) — 2NaCIG) + Ca(OH)2C) + Brz(1) Ca(OH),() — COC) + H20() calculate the value of AH° (in kilojoules) for the reaction Cl:(8)+NaBr(s) — NaCl(s) + Brz() AH'= -110.9 kJ AH° = -60.2 kJ AH° = +65.1 kJ AH = The number of significant digits is set to 3; the tolerance is +/-2% Show Work is REQUIRED for this question: Open Show Work
Review Problem 6.083 Calculate AHo in kilojoules for the following reaction, the preparation of the unstable nitrous acid, HNO2 HNO2 ) + NaCl) Ha)+NaNO2G) Use the following thermochemical equations: 1) 2NaCl) +HO)2HCI(g)+ NayO) AH= +507.31 kJ 2) NO(g)+NOg) + Na,O)+ 2NaNO,() AH"=-427.14 k 3) NO(g)+NO() NO(g) +O;e) AH*=-42.68 k 4) 2HNO,() N;O(g) + O;(g) + H2O(D AH +34.35 kl AH= kJ The number of significant digits is set to 4; the tolerance is +/-2 % Show Work is REQUIRED for...
Review Problem 6.085 x Incorrect. Did you perform all operations that you performed on the reactions to the values of enthalpy for each reaction? Are all your reactants and products on the correc sides? Given the following thermochemical equations, COG+Cl(s) —Cod:6) H 0(0) + COC10) + 2NaBe(s) — 2NCKG) + Ca(OH),() + Bryl Ca(OH),() —COG) + H20(1) calculate the value of AH (in kilojoules) for the reaction 01.(8) + NaBr() NaCl@) + Br() AH'= -110.9 kJ AH = -60.2 kJ...
The heat of combustion of liquid C2H60 is -1460.4 kJ/mol at 298K. Thermodynamic tables Note, tolerance on this problem is set to 1% so maintain all decimal digits as given or found in Thermodynamic Table. What is the combustion reaction to which this number applies? Instructions: • Write balanced reaction in the order: fuel + oxygen -> carbon dioxide + water (H20) • Use -> (hyphen + greater than) for yields • Do not include the states, i.e., no (s),...
Problem 9.10 Trimethylpentane The standard heat of combustion (AH) of liquid 2,3,3-trimethylpentane (CgH18) is reported in a table of physical properties to be - 4850.0 kJ/mol. A footnote indicates that the reference temperature for the reported value is 25°C and the presumed combustion products are CO2(g) and H20(9). The heat capacity of water is approximately 75.40 J/(mol K) over the temperature range of interest. Physical Property Tables Heat of Combustion There is some question about the accuracy of the reported...
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