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Exit Question 2 1 pts 4 Consider the balanced reaction 3 A +6 B C +5...
Consider the following balanced reaction: 2 A2 + 3 B C2+2D What is the enthalpy of...
Consider the following balanced reaction: 2 A2 + 3 B C2+2D What is the enthalpy of reaction if the enthalpy of formation of the compounds is given as Compound Enthalpy of Formation (mol) 8.31 B -16.84 0.00 D 17.83 I mol Enter an interer or decimal number, with exactly unificant figures more. Consider the following balanced reaction: 2 A2+B+C+2D What is the enthalpy of reaction if the enthalpy of formation of the compounds is given as Compound Enthalpy of Formation...
Given the following balanced equation for the combustion reaction of an unknown fuel: 4 Fuel (1)...
Given the following balanced equation for the combustion reaction of an unknown fuel: 4 Fuel (1) + 902(9) -> 8C02(g) + 10H 20(1) + AHørxn = -3857 kJ/mol 2N2(g) Given that AH°f{CO2(g)) = -393.5 kJ/mol and AH°f[H2001)) = -285.8 kJ/mol, calculate the enthalpy of formation of this fuel. Write answer to four significant figures. Numeric Response
Question 7 1 pts Consider the following hypothetical reaction at 310 K. Standard free energies of...
Question 7 1 pts Consider the following hypothetical reaction at 310 K. Standard free energies of formation are given in parentheses. B с AG° = -25.0kJ/mol (176.4 kJ/mol) Calculate the standard free energy of formation of compound B. 151.4 kJ/mol 201.4 kJ/mol 0 151.4kJ/mol 201.4 kJ/mol none of these
4. (3 points) Consider the following enthalpies of reaction: CaCz(s) + 2H20 (Ca(OH)2(s) + CH2(g) AH,º=-127.9...
4. (3 points) Consider the following enthalpies of reaction: CaCz(s) + 2H20 (Ca(OH)2(s) + CH2(g) AH,º=-127.9 kJ/mol Cas) + 1/20 (g) - Cao(s) AH,º=-635.1 kJ/mol Cal(s) + H200 - Ca(OH) (9) AH,=-65.2 kJ/mol The standard enthalpies of combustion of graphite and C2H2(g) are -393.51 and -1299.58 kJ/mol, respectively. Calculate the standard enthalpy of formation of CaCz(s) at 25°C. Aside on enthalpy of combustion: Please note that the standard enthalpy of combustion will form H200, not H:09), if the substance includes...
ormation Reactions Review Constants Part B The standard heat of formation, AH is defined as the...
ormation Reactions Review Constants Part B The standard heat of formation, AH is defined as the enthalpy change for the formation of one mole of substance from its constituent elements in their standard states. Thus, elements in their standard states have AH O . Heat of formation values can be used to calculate the enthalpy change of any reaction. The combustion of propano, C, Hs. cocurs via the reaction CH, (B) +502 (6)+3CO2 (s) + 4H2O(g) with heat of formation...
Reaction 2 (Ma Reaction 1 (Mgo) 1. Volume of 1.00 M HCT 2. Final temperature, t 3. Initial temper...
please help fill in data table and answer questions.
please show all work. thank you!
Reaction 2 (Ma Reaction 1 (Mgo) 1. Volume of 1.00 M HCT 2. Final temperature, t 3. Initial temperature, t, EO.O ml 50.0 mt 28 a0 oc 4. Change in temperature, t 5. Mass of solid 203 MgO 6. Heat, q k.J kJ kJ k.I 8. Moles mol Mg mol MgO 9. ΔΗ/mol kJ/mol kJ/mol 10. Determine ΔΗ/mol Mg for reaction (4). (10.) II. Percent...
D Question 4 2 pts If a reaction evolves 664.74-J of heat as 0.015-moles of water...
D Question 4 2 pts If a reaction evolves 664.74-J of heat as 0.015-moles of water are produced, what is the AH of this reaction (in kJ/mol)? Report your answer to 2 decimal places
5. Question 2 1 pts Suppose you are investigating the reaction: M(s) + 2 HCl(aq) →...
5.
Question 2 1 pts Suppose you are investigating the reaction: M(s) + 2 HCl(aq) → MCl2(aq) + H2(g). You weigh out a 0.202 gram piece of metal and combine it with 62.2 mL of 1.00 M HCl in a coffee-cup calorimeter. If the molar mass of the metal is 48.51 g/mol, and you measure that the reaction absorbed 111 J of heat, what is the enthalpy of this reaction in kJ per mole of limiting reactant? Enter your answer...
Question 4 1 pts Standard heats of formation for reactants and products in the reaction below...
Question 4 1 pts Standard heats of formation for reactants and products in the reaction below are provided. 2 HA(aq) + MX2(aq) → MA2(aq) + 2 HX(1) AHf° (kJ/mol) -77.308 Substance HA(aq) HX(1) MA2(aq) MX2(aq) -346.161 -310.345 477.125 What is the standard enthalpy of reaction, in kj? Report your answer to three digits after the decimal.
D Question 21 4 pts Using the standard enthalpies of formation for the chemicals involved, calculate...
D Question 21 4 pts Using the standard enthalpies of formation for the chemicals involved, calculate the enthalpy change for the following reaction. (note: show the math clearly and provide units in your set up) (AH-values in kJ/mol are as follows: SO2-297,020, 50, -396) 25O2(g) + O2(g) 250g(6) HTML Editor B 9 A I 7 7 = 1 - A S E V 7 D 7 x x 14 12pt = - Paragraph -
Consider the following balanced reaction: 2 A2 + 3 B C2+2D What is the enthalpy of reaction if the enthalpy of formation of the compounds is given as Compound Enthalpy of Formation (mol) 8.31 B -16.84 0.00 D 17.83 I mol Enter an interer or decimal number, with exactly unificant figures more. Consider the following balanced reaction: 2 A2+B+C+2D What is the enthalpy of reaction if the enthalpy of formation of the compounds is given as Compound Enthalpy of Formation...
Given the following balanced equation for the combustion reaction of an unknown fuel: 4 Fuel (1) + 902(9) -> 8C02(g) + 10H 20(1) + AHørxn = -3857 kJ/mol 2N2(g) Given that AH°f{CO2(g)) = -393.5 kJ/mol and AH°f[H2001)) = -285.8 kJ/mol, calculate the enthalpy of formation of this fuel. Write answer to four significant figures. Numeric Response
Question 7 1 pts Consider the following hypothetical reaction at 310 K. Standard free energies of formation are given in parentheses. B с AG° = -25.0kJ/mol (176.4 kJ/mol) Calculate the standard free energy of formation of compound B. 151.4 kJ/mol 201.4 kJ/mol 0 151.4kJ/mol 201.4 kJ/mol none of these
4. (3 points) Consider the following enthalpies of reaction: CaCz(s) + 2H20 (Ca(OH)2(s) + CH2(g) AH,º=-127.9 kJ/mol Cas) + 1/20 (g) - Cao(s) AH,º=-635.1 kJ/mol Cal(s) + H200 - Ca(OH) (9) AH,=-65.2 kJ/mol The standard enthalpies of combustion of graphite and C2H2(g) are -393.51 and -1299.58 kJ/mol, respectively. Calculate the standard enthalpy of formation of CaCz(s) at 25°C. Aside on enthalpy of combustion: Please note that the standard enthalpy of combustion will form H200, not H:09), if the substance includes...
ormation Reactions Review Constants Part B The standard heat of formation, AH is defined as the enthalpy change for the formation of one mole of substance from its constituent elements in their standard states. Thus, elements in their standard states have AH O . Heat of formation values can be used to calculate the enthalpy change of any reaction. The combustion of propano, C, Hs. cocurs via the reaction CH, (B) +502 (6)+3CO2 (s) + 4H2O(g) with heat of formation...
please help fill in data table and answer questions.
please show all work. thank you!
Reaction 2 (Ma Reaction 1 (Mgo) 1. Volume of 1.00 M HCT 2. Final temperature, t 3. Initial temperature, t, EO.O ml 50.0 mt 28 a0 oc 4. Change in temperature, t 5. Mass of solid 203 MgO 6. Heat, q k.J kJ kJ k.I 8. Moles mol Mg mol MgO 9. ΔΗ/mol kJ/mol kJ/mol 10. Determine ΔΗ/mol Mg for reaction (4). (10.) II. Percent...
D Question 4 2 pts If a reaction evolves 664.74-J of heat as 0.015-moles of water are produced, what is the AH of this reaction (in kJ/mol)? Report your answer to 2 decimal places
5.
Question 2 1 pts Suppose you are investigating the reaction: M(s) + 2 HCl(aq) → MCl2(aq) + H2(g). You weigh out a 0.202 gram piece of metal and combine it with 62.2 mL of 1.00 M HCl in a coffee-cup calorimeter. If the molar mass of the metal is 48.51 g/mol, and you measure that the reaction absorbed 111 J of heat, what is the enthalpy of this reaction in kJ per mole of limiting reactant? Enter your answer...
Question 4 1 pts Standard heats of formation for reactants and products in the reaction below are provided. 2 HA(aq) + MX2(aq) → MA2(aq) + 2 HX(1) AHf° (kJ/mol) -77.308 Substance HA(aq) HX(1) MA2(aq) MX2(aq) -346.161 -310.345 477.125 What is the standard enthalpy of reaction, in kj? Report your answer to three digits after the decimal.
D Question 21 4 pts Using the standard enthalpies of formation for the chemicals involved, calculate the enthalpy change for the following reaction. (note: show the math clearly and provide units in your set up) (AH-values in kJ/mol are as follows: SO2-297,020, 50, -396) 25O2(g) + O2(g) 250g(6) HTML Editor B 9 A I 7 7 = 1 - A S E V 7 D 7 x x 14 12pt = - Paragraph -
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