The combustion reaction for butane is C4H10(9) + 6.5 02(g) → 4 cO2(g) + 5 H20(g)- Is the internal energy change, AE, negative or positive for this reaction? How do you know?

Answered: The combustion reaction for butane is…

The combustion reaction for butane is C4H10(g) + 6.5 O2(9) → 4 CO2(g) + 5 H20(g). Is the internal energy change, AE, negative or positive for this reaction? How do you know?

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter6: Thermochemistry

Section: Chapter Questions

Problem 76E: Combustion reactions involve reacting a substance with oxygen. When compounds containing carbon and...

See similar textbooks

Related questions

Q: A chemical reaction is run in which 138 Joules of work is done by the system and the internal energy…

A: Work done by the system is negative. So we use W= -138 J Given: w= - 138J ∆u= + 14J To…

Q: The complete combustion of solid naphthalene into CO2(g) and H2O(l) at 25 °C produces 5154 kJ/mol of…

A: Given here the complete combustion of solid naphthalene into CO2(g)and H2O(l) at 25 °C produces 5154…

Q: An automobile engine provides 502 Joules of work to push the pistons and generates 2327 Joules of…

A: Given: Work done dW = -502 J (negative sign as system does wok) Heat energy dQ = -2327 J (negative…

Q: Ethanol, C2H5OH, is made industrially by the reaction of water with ethylene, C2H4. Calculate the…

Q: 4. A 15.0g sample of melted aluminum is put into a calorimeter. The temperature of 90g of water…

A: Interpretation- To determine the molar enthalpy of the solidification of aluminum when 15g of…

Q: 1.00 g CaO (molar mass = 56.077 g/mol) is dropped into a Styrofoam coffee cup containing 185 g H2O…

A: Given :- CaO(s) + H2O(l) ➜ Ca(OH)2(s) ΔH°rxn = –64.8 kJ/mol Mass of CaO = 1.00 g CaO Molar mass…

Q: Which of the following conditions for q and w represent a system gaining heat from the surroundings…

A: Endothermic reaction is a reaction where heat is absorbed by the system from the surroundings.

Q: 1.00 g Cao (molar mass = 56.077 g/mol) is dropped into a Styrofoam coffee cup containing 185 g H20…

Q: Consider the following reaction: 2 H2(g) + 2 NO(g) N2(g) + 2 H20(g) and the following table of…

A: • Since, here we have to calculate the standard entropy change for the given reaction. • The…

Q: C) Calculate the change in internal energy in each process, the change in total internal energy and…

Q: What is the change in internal energy for each of the following situations? q = 7.9 J out of the…

A: The first law of thermodynamics says that total energy of the universe remains constant. Energy is…

Q: Calculate "work" and "change in internal energy" for the conversion of three moles of ethanol at 78…

Q: A sample of sucrose, C12H22O11 weighing 0.1328 g, was burned to completion in a bomb calorimeter at…

A: Given: sucrose sample weight = 0.1328 g, Temperature = 25°C,…

Q: which of the following signs on q and w represent a system that is having work done on it by the…

A: • Sign Convention for Work, w i) w is positive, when work is done on the system by the surroundings…

Q: A chemical reaction is run in which 756 Joules of work is done on the system and the internal energy…

Q: A balloon is inflated with air from an initial volume of 1.44E-1 L to 2.16E0 L against an external…

Q: Why not all endothermic processes that do work on the surroundings have the same sign for internal…

A: Endothermic processes are the processes which absorb heat energy from the surroundings. These…

Q: Calculate the value of internal energy if 670J of heat energy is absorbed by the surrounndings and…

Q: When a 3.00-g sample of liquid octane (Cg H18) burns in a bomb calorimeter, the temperature of the…

A: The amount of heat released in the combustion of 3 g liquid octane gets absorbed by the calorimeter.…

Q: 2. Calculate the pV work done (in Joules) when a gas expands from 3 L to 8 L against a constant…

A: Given : Initial volume of gas = 3 L Final volume of gas = 8 L And constant external pressure = 5…

Q: A chemical reaction is run in which 572Joules of work is done on the system and the internal energy…

A: Given W = + 572 J (work is done on the system) ΔU = +438 J Using the first law of thermodynamics…

Q: Why are work, w, and heat, q, not state functions?

A: State function only depends on the final system and on the initial system, it does not depend how we…

Q: Consider the thermochemical equation for the combustion of ethyl alcohol: C2H5OH(l) + 3O2(g) --->…

Q: When 4.03 g of ammonium perchlorate (NH4ClO4) is dissolved in 120 g of water in a styrofoam…

A: Heat energy (q) is calculated by,

Q: Given a system that absorbs 500 kJ of heat while doing 400 kJ of work, find the change in its…

A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

Q: Which of the following represents a system that is exothermic and is doing work on the surroundings?…

A: Given information, System is exothermic and doing work on the surroundings

Q: ch.6.2. calculate the internal energy change for a. one hundred(100.) joules of work is required…

Q: A chemical reaction is run in which 648 Joules of heat are absorbed and the internal energy changes…

A: Since the change in internal energy ΔE is given by ΔE = q + w where q = heat absorbed by the system…

Q: Use standard enthalpies of formation to determine ΔHorxnfor: 2C2H2(g) + 5O2(g) → 4CO2(g) + 2H2O(l)…

A: Standard enthalpy of formation is defined as the amount of heat absorbed or evolved in the formation…

Q: Suppose we have a closed, un-isolated system. When 483 J of heat was introduced to the system, it…

A: According to the first law of thermodynamics ; change in internal energy is given by the sum of heat…

Q: The combustion of 1.839 g glucose, C6H12O6(s), in a bomb calorimeter results in an increase in the…

A: The quantity of heat absorbed by the calorimeter is calculated below. Negative sign indicates that…

Q: The change in internal energy for the combustion of 1.0 mol of octane at a pressure of 1.0 atm is…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: Suppose we have a closed, un-isolated system. When 483 J of heat was introduced to the system, it…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For the…

Q: Consider the hypothetical thermochemical equation 3 A + B → 2 C for which ΔH = 65.5 kJ/mol. What…

Q: Consider tne reaction C12 H22O11 (s) + 1202(g)→12CO2(g) + 11H2O(1) in which 10.0 g of sucrose, C12…

A: In this question, we want to determine the change in internal energy ( ∆E ) in kJmol-1 unit with…

Q: A sample of benzene, C6 H6, weighing 3.51 g was burned in an excess of oxygen in a bomb calorimeter.…

Q: Calculate the change in internal energy, when 4 moles of CO are converted to 4 moles of CO2 at 1 atm…

A: Given data, Moles of CO = 4 moles Moles of CO2 = 4 moles Pressure = 1 atm Temperature = 25oC

Q: - In which of the following systems is(are) work done by the surroundings on the system? Assume…

Q: According to the First Law of Thermodynamics, a system which absorbs 40 J of heat and produces 20 J…

Q: 18. The combustion of propane is shown by the following equation: C,H;(g) + 50,(g) → 3CO,(g) +…

Q: Consider the reaction C12 H22O11 (s) + 1202(g)→12CO2 (g) + 11H,0(1) in which 10.0 g of sucrose, C12…

A: "Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Use the standard reaction enthalpies given below to determine ΔH°rxn for the following reaction…

A: We have reaction of P4 with Cl2 to give PCl5 as our desired reaction.

Q: the difference between changes in enthalpy and internal energy for the explosion of…

A: Nbh

Q: Calculate the standard molar enthalpy for the complete combustion of liquid ethanol (C2H5OH) using…

Q: The value of AH° for the reaction below is -336 kJ. Calculate the heat (kJ) released to the…

A: We have a reaction, CH4 + 3Cl2 → CHCl3 + 3HCl , ΔH = –336kJ we need to find heat released when…

Q: III WICI a process occurs at constant external pressure. a) What is the sign of w for the system? Is…

A: Note : Since you have posted multiple questions, we are entitled to answer the first only. Please…

Q: The combustion of methanol is described by the following equation. 2 CH3OH (l) + 3O2 (g) → 2 CO2 (g)…

A: →The amount of energy releases when 1 mole of substance formed from it's constituents…

Q: Consider the hypothetical thermochemical equation 3 A + B → 2 C for which ΔH = 63.1 kJ/mol. What…

A: We have given that 3 A + B → 2 C ΔH1 = 63.1 kJ/mol.…

Question

100%

The combustion reaction for butane is C4H10(9) + 6.5 02(g) → 4 cO2(g) + 5 H20(g)- Is the internal energy change, AE, negative or positive for this reaction? How do you know?

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Conclusion

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

One of the components of jet engine fuel is n-dodecane, C12H26(), which has a standard enthalpy of combustion of 8080.1 kJ/mol. (a) Write the thermochemical equation for the combustion of n-dodecane. (b) Use the standard enthalpies of formation in Appendix G to calculate the standard enthalpy of formation of n-dodecane.
The octane number of gasoline is based on a comparison of the gasolines behavior with that of 2,2,4-trimethylpentane, C8H18(), which is arbitrarily assigned an octane number of 100. The standard enthalpy of combustion of this compound is 5456.6 kJ/mol. (a) Write the thermochemical equation for the combustion of 2,2,4-trimethylpentane. (b) Use the standard enthalpies of formation in Appendix G to calculate the standard enthalpy of formation of 2,2,4-trimethylpentane.
A sample of benzene, C6H6, weighing 3.51 g was burned in an excess of oxygen in a bomb calorimeter. The temperature of the calorimeter rose from 25.00C to 37.18C. If the heat capacity of the calorimeter and contents was 12.05 kJ/C, what is the value of q for burning 1.00 mol of benzene at constant volume and 25.00C? The reaction is C6H6(l)+152O2(g)6CO2(g)+3H2O(l) Is q equal to U or H?
A sample of ethanol, C2H5OH, weighing 2.84 g was burned in an excess of oxygen in a bomb calorimeter. The temperature of the calorimeter rose from 25.00C to 33.73C. If the heat capacity of the calorimeter and contents was 9.63 kJ/C, what is the value of q for burning 1.00 mol of ethanol at constant volume and 25.00C? The reaction is C2H5OH(l)+3O2(g)2CO2(g)+3H2O(l) Is q equal to U or H?
The head of a strike anywhere match contains tetraphosphorus trisulfide, P4S3. In an experiment, a student burned this compound in an excess of oxygen and found that it evolved 3651 kJ of heat per mole of P4S3 at a constant pressure of 1 atm. She wrote the following thermochemical equation: P4S3(s)+8O2(g)P4O10(s)+3SO2(g);H=3651kJ Calculate the standard enthalpy of formation of P4S3, using this students result and the following standard enthalpies of formation: P4O10(s), 3009.9 kJ/mol; SO2(g), 296.8 kJ/mol. How does this value compare with the value given in Appendix C?
When 1.000 g of ethylene glycol, C2H6O2, is burned at 25C and 1.00 atmosphere pressure, H2O(l) and CO2(g) are formed with the evolution of 19.18 kJ of heat. a Calculate the molar enthalpy of formation of ethylene glycol. (It will be necessary to use data from Appendix C.) b Gf of ethylene glycol is 322.5 kJ/mol. What is G for the combustion of 1 mol ethylene glycol? c What is S for the combustion of 1 mol ethylene glycol?
You did an experiment in which you found that 59.8 J was required to raise the temperature of 25.0 g of ethylene glycol (a compound used as antifreeze in automobile engines) by 1.00 K. Calculate the specific heat capacity of ethylene glycol from these data.
Combustion reactions involve reacting a substance with oxygen. When compounds containing carbon and hydrogen are combusted, carbon dioxide and water are the products. Using the enthalpies of combustion for C4H4 ( 2341 kJ/mol), C4H8 (2755 kJ/mol), and H2 (286 kJ/mol), calculate H for the reaction C4H4(g)+2H2(g)C4H8(g)
What is the sign of the work when a refrigerator compresses a gas (the system) to a liquid during the refrigeration cycle?
Another reaction that is used to propel rockets is N2O4(l)+2N2H4(l)3N2(g)+4H2O(g) This reaction has the advantage that neither product is toxic, so no dangerous pollution is released. When the reaction consumes 10.0 g liquid N2O4, it releases 124 kJ of heat. (a) Is the sign of the enthalpy change positive or negative? (b) What is the value of H for the chemical equation if it is understood to be written in molar quantities?
Nitric acid, HNO3, can be prepared by the following sequence of reactions: 4NH3(g)+5O2(g)4NO(g)+6H2O(g)2NO(g)+O2(g)2NO2(g)3NO2(g)+H2O(l)2HNO3(l)+NO(g) How much heat is evolved when 1 mol of NH3(g) is converted to HNO3(l)? Assume standard states at 25 C.
Three gas-phase reactions were run in a constant-pressure piston apparatus as shown in the following illustration. For each reaction, give the balanced reaction and predict the sign of w (the work done) for the reaction. . If just the balanced reactions were given, how could you predict the sign of w for a reaction?