Homework Answers
In Bomb calorimeter, Reaction occurs at constant volume so Work done by system will be equal to 0 KJ
So 2nd option is correct answer.
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Question 16 5 pts The following reaction was carried out in a bomb calorimeter. The quantity...
The following reaction was carried out in a bomb calorimeter. The quantity of heat transferred (q)...
The following reaction was carried out in a bomb calorimeter. The quantity of heat transferred (q) for the reaction is -106 kJ. How much work is done by the system? CH4 (g) + 4S (s) → CS2 (1) + 2H2S (g) O-106 kJ OkJ +106 kJ insufficient information in given to solve the question.
QUESTION 4 The combustion reaction for octane burning in oxygen is: 2 C8H18 ()25 O2(g)- 16...
QUESTION 4 The combustion reaction for octane burning in oxygen is: 2 C8H18 ()25 O2(g)- 16 CO2(g) +18 H20(g) AH = -10869 kJ Suppose an oxygen bomb calorimeter is loaded with oxygen gas and excess octane. The oxygen gas has a volume of 480.0 mL, pressure of 8.28 atm, and an initial temperature of 22.1 °C The calorimeter has a heat capacity of 1.75 kJ/ °C Assuming the oxygen reacts completely, what is the final temperature of the calorimeter?
gu3eous Caide ahd liquid gascods Calon dioxide ahd liquid water. (5 pts.) How much heat is release per mole of ethanol combusted when the reaction is carried out at A) standard conditions? (5 pts.) i...
gu3eous Caide ahd liquid gascods Calon dioxide ahd liquid water. (5 pts.) How much heat is release per mole of ethanol combusted when the reaction is carried out at A) standard conditions? (5 pts.) in nntronu of the surroundings ner mole of ethanol combusted when the
gu3eous Caide ahd liquid gascods Calon dioxide ahd liquid water. (5 pts.) How much heat is release per mole of ethanol combusted when the reaction is carried out at A) standard conditions? (5 pts.)...
A coffee-cup (constant pressure) calorimeter is used to carry out the following reaction in an unknown...
A coffee-cup (constant pressure) calorimeter is used to carry out the following reaction in an unknown volume of water (where X is a hypothetical metal) X 2 H20X(OH)2 + H2 In this process, the water temperature rose from 25.0 °C to 36.7 °C. If 0.00814 mol of "X" was consumed during the reaction, and the AH of this reaction with respect to the system is -1447 kJ mol-1 , what volume of water (in mL) was present in the calorimeter?...
Question Not yet answered A reaction at 4.21 atm produces 24.6 L of a gas and...
Question Not yet answered A reaction at 4.21 atm produces 24.6 L of a gas and evolves 69.7 kJ of heat (exothermic). Calculate the change in internal energy of the system (in kJ). Marked out of 1.00 Answer: Flag question Question 8 Not yet answered Marked out of 1.00 1.495 g of an unknown hydrocarbon (108.1 g/mol) burns in bomb calorimeter in excess oxygen. The heat capacity of the calorimeter,cy, = 5.294 kJ/°C and AT -6.744 °C. Find AE for...
Mail - yitsi almeida - Outlook Q Study 16 Terms Chem 6 Flash * Q Potential...
Mail - yitsi almeida - Outlook Q Study 16 Terms Chem 6 Flash * Q Potential and Kinetic Energy Rex m/courses/1093038/quizzes/1706760/take Question 4 x Get Homewe 2 pts Determine the heat required to raise the temperature of a piece of iron(mass = 245 g) that starts at 25.0°C and is heated to 85.0°C. The specificheat capacity of iron is 0.449 J/gºC. SHOW WORK Upload choose a File D Question 5 4 pts A4.98 g sample of phenol (C,H,OH, molar mass...
Question number 8 The following reaction is carried out at 25o C: 2NO(g) + O2 (g)...
Question number 8 The following reaction is carried out at 25o C: 2NO(g) + O2 (g) → 2NO2 (g) These are the thermodynamic values associated with this reaction: ΔSoreaction = -147 J K-1 ΔHoreaction = -114 kJ ΔGoreaction = -70 kJ What is the effect of changing the reaction temperature to 500 K? Question 8 options: all of the answers are correct none of the answers are correct the reaction is less spontaneous at 500 K the spontaneity of the...
Answe all please! Consider the following reaction carried out under constant pressure 2HCl(aq) + Zn(s) -...
Answe all please!
Consider the following reaction carried out under constant pressure 2HCl(aq) + Zn(s) - H2(g) + ZnCl2(s) AHpx = -80.97 kJ Calculate the heat associated with the complete reaction of 24.3 g of HCl with 16.8 g of Zn. 0-54.0 kJ 0-10.8 kJ O-55.2 kJ -20.8 kJ O-27.0 kJ Determine AHrxn for the reaction CO2(g) + 2 H2O(9) CH4(9) + 2 O2(g) given the following average bond energies (values given parentheses) C-H (414 kJ/mol) O=O (498 kJ/mol) C=0...
Question 4 Not changed since last attempt Marked out of 1.00 Calculate w (in kJ) when 189 g iron (III) oxide (MM =...
Question 4 Not changed since last attempt Marked out of 1.00 Calculate w (in kJ) when 189 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 451 K: 2Fe2O3(s) + 3C(s) + 4Fe(s) + 3CO2(g) P Flag question Answer: Question 5 Not yet answered Calculate the work (in kJ) when 2.20 moles of methane react with excess oxygen at 470 K: Marked out of 1.00 CH4(g) + 20 (g) + CO2(g)...
Question 21 0/4 pts What is the entropy change of the surroundings when the reaction below...
Question 21 0/4 pts What is the entropy change of the surroundings when the reaction below is carried out at 298K under standard conditions? C(graphite) + 2H2(g) → CH4(g) AH° = -74.9 kJ Answer in J/K to three significant figures. red -251 wers Between 241.3 and 261.3
The following reaction was carried out in a bomb calorimeter. The quantity of heat transferred (q) for the reaction is -106 kJ. How much work is done by the system? CH4 (g) + 4S (s) → CS2 (1) + 2H2S (g) O-106 kJ OkJ +106 kJ insufficient information in given to solve the question.
QUESTION 4 The combustion reaction for octane burning in oxygen is: 2 C8H18 ()25 O2(g)- 16 CO2(g) +18 H20(g) AH = -10869 kJ Suppose an oxygen bomb calorimeter is loaded with oxygen gas and excess octane. The oxygen gas has a volume of 480.0 mL, pressure of 8.28 atm, and an initial temperature of 22.1 °C The calorimeter has a heat capacity of 1.75 kJ/ °C Assuming the oxygen reacts completely, what is the final temperature of the calorimeter?
gu3eous Caide ahd liquid gascods Calon dioxide ahd liquid water. (5 pts.) How much heat is release per mole of ethanol combusted when the reaction is carried out at A) standard conditions? (5 pts.) in nntronu of the surroundings ner mole of ethanol combusted when the
gu3eous Caide ahd liquid gascods Calon dioxide ahd liquid water. (5 pts.) How much heat is release per mole of ethanol combusted when the reaction is carried out at A) standard conditions? (5 pts.)...
A coffee-cup (constant pressure) calorimeter is used to carry out the following reaction in an unknown volume of water (where X is a hypothetical metal) X 2 H20X(OH)2 + H2 In this process, the water temperature rose from 25.0 °C to 36.7 °C. If 0.00814 mol of "X" was consumed during the reaction, and the AH of this reaction with respect to the system is -1447 kJ mol-1 , what volume of water (in mL) was present in the calorimeter?...
Question Not yet answered A reaction at 4.21 atm produces 24.6 L of a gas and evolves 69.7 kJ of heat (exothermic). Calculate the change in internal energy of the system (in kJ). Marked out of 1.00 Answer: Flag question Question 8 Not yet answered Marked out of 1.00 1.495 g of an unknown hydrocarbon (108.1 g/mol) burns in bomb calorimeter in excess oxygen. The heat capacity of the calorimeter,cy, = 5.294 kJ/°C and AT -6.744 °C. Find AE for...
Mail - yitsi almeida - Outlook Q Study 16 Terms Chem 6 Flash * Q Potential and Kinetic Energy Rex m/courses/1093038/quizzes/1706760/take Question 4 x Get Homewe 2 pts Determine the heat required to raise the temperature of a piece of iron(mass = 245 g) that starts at 25.0°C and is heated to 85.0°C. The specificheat capacity of iron is 0.449 J/gºC. SHOW WORK Upload choose a File D Question 5 4 pts A4.98 g sample of phenol (C,H,OH, molar mass...
Answe all please!
Consider the following reaction carried out under constant pressure 2HCl(aq) + Zn(s) - H2(g) + ZnCl2(s) AHpx = -80.97 kJ Calculate the heat associated with the complete reaction of 24.3 g of HCl with 16.8 g of Zn. 0-54.0 kJ 0-10.8 kJ O-55.2 kJ -20.8 kJ O-27.0 kJ Determine AHrxn for the reaction CO2(g) + 2 H2O(9) CH4(9) + 2 O2(g) given the following average bond energies (values given parentheses) C-H (414 kJ/mol) O=O (498 kJ/mol) C=0...
Question 4 Not changed since last attempt Marked out of 1.00 Calculate w (in kJ) when 189 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 451 K: 2Fe2O3(s) + 3C(s) + 4Fe(s) + 3CO2(g) P Flag question Answer: Question 5 Not yet answered Calculate the work (in kJ) when 2.20 moles of methane react with excess oxygen at 470 K: Marked out of 1.00 CH4(g) + 20 (g) + CO2(g)...
Question 21 0/4 pts What is the entropy change of the surroundings when the reaction below is carried out at 298K under standard conditions? C(graphite) + 2H2(g) → CH4(g) AH° = -74.9 kJ Answer in J/K to three significant figures. red -251 wers Between 241.3 and 261.3
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