9.2  An automobile engine provides 566 Joules of work to push the pistons and generates 2142 Joules of heat that must be carried away by the cooling system. Calculate the change in the internal energy of the engine.  change of E = _ Joules

Q: The value of AU for the combustion of propane, C3H8, is -185.81 kJ. What is the heat of formation of…

A: Heat of formation of propane can be calculated as given below.

Q: 100 J of heat is released by the system and it does 100J of work. Which of the following is true? A.…

A: When energy is released from the system to the surroundings, the sign is negative while it is…

Q: A 3.619 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: In a calorimeter, heat absorbed by calorimeter and the heat released by the substance is equal.Heat…

Q: An automobile engine provides 510 Joules of work to push the pistons and generates 2202 Joules of…

A: Given : work done by system = 510 J              Heat release = 2202 J We know           ∆U = Q + W

Q: An automobile engine provides 638 Joules of work to push the pistons and generates 2293 Joules of…

A: Given- Work done (W) = 638 J Heat (Q)= 2293 J To find - ∆E in joules Formula - ∆E = Q + W

Q: The following thermochemical equation is for the reaction of methane(g) with water(g) to form…

A:

Q: An automobile engine provides 545 Joules of work to push the pistons and generates 2395 Joules of…

A:

Q: An automobile engine provides 541 Joules of work to push the pistons and generates 2137 Joules of…

A: According to first law of thermodynamics E = W + Q Where E = change in internal energy W = work Q =…

Q: The following thermochemical equation is for the reaction of hydrogen chloride(g) with ammonia(g) to…

A: Given,                                              that means 1…

Q: When gasoline burns in an automobile engine, the heat released (301 J) causes the products CO2 and…

A:

Q: When gasoline burns in an automobile engine, the heat released (325 J) causes the products CO2 and…

A: It is given that 325 J of heat is released when gasoline is burned, and the work done by the gases…

Q: The following thermochemical equation is for the reaction of tetraphosphorus decaoxide(s) with…

A: 1 mol of tetraphosphorus decaoxide (P4O10) has produced energy = 453 kJ  Molecular weight of…

Q: 2H2 + O2 --> 2H2O + 245kJ How many kilojoules of heat are produced when 23.0g of O2 react with…

A:

Q: If a system has 4.50×102 kcal of work done to it, and releases 5.00×102 kJ of heat into its…

A:

Q: We allow 73 g of oxygen to react with 85 g of ethane.  The reaction is shown below.  Since the heat…

A: Given - Balanced thermodynamical Reaction -  C2H6 (g) + 7/2 O2 (g) → 2 CO2 (g) + 3 H2O (g) ,…

Q: When gasoline burns in an automobile engine, the heat released (325 J) causes the products CO2 and…

A: Given:   The heat released is 325 J. The work done by gas during expansion is 451 J.

Q: fa system absorbs 155.0 kJ of heat from its surroundings and the system does 65.0 kJ of work on its…

A: In this question, we want to determine the value of Change in internal energy of the system.  How we…

Q: If a system has 425 kcal of work done to it, and releases 5.00×102 kJ of heat into its surroundings,…

A: Convert the unit of work done to kJ:

Q: A cylinder contains a gas under constant atmospheric pressure. When 0.434 kJ of heat is added to the…

A:

Q: The value of ΔH0 for the reaction is -6535 kJ.  What is the heat released in the combustion of 16.0…

A: When two moles of benzene reacts with fifteen moles of oxygen gas twelve moles of carbon dioxide and…

Q: A chemical reaction is run in which 551 Joules of heat are absorbed and the internal energy changes…

A: First law of Thermodynamics:                                                            ∆U = q+w…

Q: What is the change in internal energy for a reaction producing 65.0 joules of heat by doing 38.0…

A:

Q: An automobile engine provides 553 Joules of work to push the pistons and generates 2294 Joules of…

A:

Q: Many portable gas heaters and grills use propane, C3H81g2, asa fuel. Using standard enthalpies of…

A: The balanced reaction is,

Q: A chemical reaction is run in which 389 Joules of heat are generated and the internal energy changes…

A: Given  Q = -389 J (heat is generated) ΔU = -55 J Using first law of thermodynamics  ΔU= Q + W  W =…

Q: How much heat, in kilojoules, is released when 12.4  g   H2(g)  reacts with plenty of  O2(g)  to…

A: Given thermochemical equation is  2 H2 (g)  + O2 (g)   -->  2 H2O (g)…

Q: An automobile engine provides 646 Joules of work to push the pistons and generates 2258 Joules of…

A: According to the thermodynamics law  ∆U = Q + W Given Work done on the piston = - 646 J Heat…

Q: An automobile engine provides 541 Joules of work to push the pistons and generates 2303 Joules of…

A: Given: Work done = 541 J Heat generated = 2303 J

Q: A cylinder contains a mixture of gases under constant atmospheric pressure. The gases undergo a…

A: It is given that a cylinder contains a mixture of gases at constant atmospheric pressure and the gas…

Q: The following thermochemical equation is for the reaction of iron(III) oxide(s) with aluminum(s) to…

A:

Q: A chemical reaction is run in which 287 Joules of heat are absorbed and the internal energy changes…

A: The whole energy content of systems is represented by its "internal energy". It varies whenever a…

Q: pt of The following thermochemical equation is for the reaction of hydrogen sulfide (g) with…

A:

Q: When 0.5 mol of H2H2 is reacted with 0.5 mol of O2O2, 121 kJ of heat is released. Determine…

A: In the question, it is given that 0.5 mol of H2 react with 0.5mol of O2  i.e same ratio therefore…

Q: When aluminum and iron(III) oxide react to form iron and aluminum oxide, 851.5 kJ of energy is…

A: Al with Fe2O3 to form Fe and Al2O3. Write the complete reaction. 2Al+Fe2O3→2Fe+Al2O3

Q: 9.50 When a 13.0-g sample of NaOH(s) dissolves in 400.0 mL of water in a coffee cup calorimeter, the…

A:

Q: The following thermochemical equation is for the reaction of methane(g) with water(g) to form…

A: Enthalpy change (∆H) is a measure of heat change taking place during a process at constant pressure.

Q: (b) A student heats up some soup in a pot on a stove. If the student did o.25 kJ of work on the soup…

A: Work done (W) by the system is ‘-’ and work done (W) on the system is‘+’. Heat absorbed (q) by the…

Q: A chemical reaction is run in which 484 Joules of heat are generated and the internal energy changes…

A: The amount of heat is released by the reaction is = 484 J The change in the internal energy of the…

Q: The following thermochemical equation is for the reaction of Fe3O4(s) with hydrogen(g) to form…

A:

Q: A 3.971 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: The total heat can be calculated as,

Q: The following thermochemical equation is for the reaction of hydrogen chloride(g) with ammonia(g) to…

A: One mole of HCl reacts with one mole of ammonia to form one mole of ammonium chloride. In this…

Q: Calculate ΔE of a gas for a process in which the gas evolves 24 J of heat and has 9 J of work done…

A: Applying 1st law of thermodynamics  ΔE = q + w  where ΔE is change in internal energy , q = heat…

Q: A system receives 575 J of heat and delivers 425 J of work. Calculate the change in the internal…

A: Given data  The system absorption heat energy= 575 J  The work done by the system = 425 J  Internal…

Q: "he combustion of fuel in a piston cylinder causes an internal energy change of -2.821E3 kJ. The…

A: According to firstaw of thermodynamics change is internal.energy is sum of heat change and work .

Q: The following thermochemical equation is for the reaction of calcium carbonate(s) to form calcium…

A:

Q: The following thermochemical equation is for the reaction of calcium carbonate(s) to form calcium…

A: Given that: Energy = 71.0 kJ Mass of CaCO3 = ?

Q: The following thermochemical equation is for the reaction of ammonium nitrate(s) to form dinitrogen…

A: Given: ∆H=-35.9 kJ for the decomposition of 1 mole of NH4NO3.

Q: Calculate ΔU of a gas for a process in which the gas absorbs 41 J of heat and does 8 J of work by…

A: The change in internal energy of a system is denoted by ∆U. Heat absorbed by the system is denoted…

Q: value of ΔE for the combustion of propane, C3H8 is -185.81 KJ. What is the heat formation of C3H8?

A: Heat of reaction is difference of energy of product  and energy of Reactant. If heat of reaction is…