An automobile engine provides 576 Joules of work to push the pistons and generates 2340 Joules of heat that must be carried away by the cooling system. Calculate the change in the internal energy of the engine. AE = Joules Submit Answer

Q: If 89 J of heat is added to a pure gold coin with a mass of 20 g. what is the temperature change?…

A: Given question of values = -gold coin mass =20gm . Represent of mass = m  -specific heat capacity of…

Q: How much heat is needed to heat 26.9 grams of metal from 19 degrees C to 101 degrees C? The specific…

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Q: What is the ΔE in units joules for a system releasing 428 calories of heat its surroundings and has…

A: a system releasing 428 calories of heat its surroundings and has 1255 J of work done on the system

Q: Since the water absorbs 127 J of heat, this means the unknown metal released 127 J of heat. Based on…

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Q: reaction for C,H, is 3) 12 CO, (g) + 6 H,O(1) + 6542 kJ and the heat produced from the burning is…

A: Final Temperature of water = 29.80°C

Q: Enter your answer in the provided box. A gas expands and does P-Vwork on the surroundings equal to…

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Q: Titanium reacts with iodine to form titanium(III) iodide, emitting heat, via the following reaction:…

A: Given 2 Ti(s) +3 I2(g)  → 2Ti I3(s)∆Hrxn = -839 kJAtomic mass of Ti = 48 g/moleMolar mass of I2 =…

Q: A jeep performs 10,000 joules of work on its surroundings and releases 20,000 joules of heat. How…

A: The internal energy of a system is a state function (depends only on the initial and final state).…

Q: Enter your answer in the provided box. A system conducts 197 cal of heat to the surroundings while…

A: Recall the following expression from first law of thermodynamics          ∆U=q + w amount of heat…

Q: How much heat is given off to the surroundings when 7 g of aluminum reacts according to the…

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: The gas in a piston (defined as the system) is warmed and absorbs 645 J of heat. The expansion…

A: Given:Heat absorbed = 645 JWork performed =  340 JWhat is the change in internal energy ?

Q: C. CALORIMETRY Mass of calorimeter, cup, and cover: Initial temperature of warm water: Mass of…

A: Mass of warm water alone = 145 gram Mass of warm ice alone = 20 gram Initial Temperature of ice Ti =…

Q: Q1:- Find the external work done by the system in kcal, when 10 kcal of heat is supplied to the…

A: ✓The First Law of Thermodynamics states that heat is a form of energy, and thermodynamic processes…

Q: The change in the internal energy of a system (ΔE) is -74 J. What is the work done when the system…

A: We have to calculate the work done.

Q: A chemical substance has a specific heat of 0.897 J/g-ºC. If an unknown mass of this substance is…

A: Answer:- This question is answered by using the simple concept of calculation of heat using the…

Q: How much heat is released (negative value) if 19.955 g of a metal with heat capacity of 0.385 J/g°C…

A: The given mass of the metal (m) = 19.955 g Heat capacity of the given metal (C) = 0.385 J/g  °C…

Q: The mixture of gas and air inside a cylinder reacts, releasing 400 kJ of total energy. If the system…

A: 150 kJ of heat is released from the system

Q: A chemist carelully experiment shows that 0.84 J of heat are needed. What can the chemist report for…

A: Solution - According to the question - Given - T1 = 14.7 °C T2 = 19.9 °C Heat needed = 0.84 J Mass…

Q: A system absorbs 191 kJ of heat and the surroundings do 110 kJ of work on the system. What is the…

A: Given:Heat energy Q = 191 kJ.Work done on the system W = 110 kJ.

Q: Determine the change in work of a system if it undergoes -979 J of energy change and 877 J of heat…

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Q: 3. 842 J of works was done for a gas to be compressed. At the same time, it releases 451 J of heat.…

A: Given -> Work = +842 J ( work done on the system) Q = -451 J ( heat released)

Q: Which of the following makes sense: When volume of a system is under constant pressure, which of…

A: The enthalpy change is defined as the internal energy change plus product of constant pressure and…

Q: What is the change in internal energy in joules when a system releases 154 J of heat and does 125 J…

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Q: An automobile engine generates 2140 Joules of heat that must be carried away by the cooling system.…

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Q: A cobalt block was heated in a calorimeter to increase its temperature by 35.5 °C. The energy…

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Q: Octane (C8H18) is a component of gasoline that burns according to the following equation:…

A: the enthlpy change during the combustion of 1 mole of the substance is known as enthalpy of…

Q: Titanium reacts with iodine to form titanium(III) iodide, emitting heat, via the following reaction:…

A: Number of moles is equal to the ratio of mass to molar mass of substance. Number of moles=MassMolar…

Q: ΔE of a system

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Q: The gas in a piston (defined as the system) warms and absorbs 655 J of heat. The expansion performs…

A: The total heat of a system remains conserved. The system takes the heat and does the work, this…

Q: Limestone, CaCO3, when subjected to a temperature of 900 C in a kiln, decomposes to calcium oxide…

A: Answer:

Q: After absorbing 1.850 kJ of energy as heat, the temperature of a 0.500 kg block of copper is 37 oC.…

A: Specific heat capacity is the amount of heat required to raised the temperature by 1 oC when heating…

Q: A gas sample does 214 J of work upon expanding and the cools, losing 34 J of heat. What is the total…

A: The first law of thermodynamics is given asΔU=Q−W, Δ U = Q − W , whereΔU is the change in internal…

Q: A system receives 425 J of heat and delivers 425 J of work toits surroundings. What is the change in…

A: According to first law of thermodynamics, ∆U = ∆Q - ∆W

Q: Write all pertinent computations to justify your final answer. Final answers must be enclosed with a…

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Q: 900 J of heat are added to a system and 200 J of work are done on the system. What is ∆E?

A: For this problem We have to find the change in internal energy for the given condition.

Q: The air in an inflated balloon (the system) absorbs 115 J of heat. As it expands, it does 88 kJ of…

A:

Q: An automobile engine provides 570 Joules of work to push the pistons. In this process the internal…

A: The relationship between the q and internal energy change and work is given by  ΔE = q + w where ΔE…

Q: 22.009 g of a metal at 100.15°C was added to 15.6 g of water at 18.01°C. The temperature of the…

A: The amount of heat transferred in a system is calculated as follows,…

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Q: You are performing an experiment where you place 9.2113 g of Al metal at 205.02 C into a coffee cup…

A: Given data,Mass of water=98.4gInitial temperature of water=25.05oCFinal…

Q: When ethanol burns in oxygen, it forms carbon dioxide and water. If the heat of the combustion…

A: The balanced reaction corresponding to the combustion of ethanol (C2H5OH) is given as:…

Q: unknown metal we assumed the heat capacity of water has a value of 4.186j is there an

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Q: 6. If it takes 44.72 joules to heat a piece of metal weighing 16.89 g from 10.0°C to 29.0°C, what is…

A: q = 44.72 J  m = 16.89 g  Ti = 10.0°C  Tf = 29.0°C  c = ?

Q: A gas expands and does work on the surroundings equal to 4.92 L atm. At the same time, it releases…

A: Given: Work done (W) = 4.92 L atm Heat released by the system according to sign convention (q) = -…

Q: When a mole of gaseous propane (C3H8) reacts completely with oxygen gas, 2044kj of energy is formed,…

A: One mole of gaseous propane reacts completely with oxygen forming CO2(g), H2O and release 2044 KJ of…

Q: Calculate the pressure-volume work done when a system containing a gas expands from 56 liters to 114…

A: Initial Volume of gas = 56 L Final volume of gas =  114 L Constant external pressure = 3.017 atm

Q: A chemist carefully measures the amount of heat needed to ralse the temperature of a 1.48 kg sample…

A: Molar heat  capacity of a substance is the change in heat when one mole of substance is heated and…

Q: If a system does 62.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change…

A: Ca (s)  + 1/2 O2  (g)  -------> CaO (s)    ΔH°=-635kJ/mol to get desired equation we have to…

Q: How much heat is given off to the surroundings when 6 g of aluminum reacts according to the…

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

Q: The specific heat of water is 4.18 J/(g. °C). Calculate the molar heat capacity of water. Express…

A: In this question, we will determined the molar heat capacity of water from the given value of…