An automobile engine provides 500 Joules of work to push the pistons and generates 2236 Joules of heat that must be carried away by the cooling system. Calculate the change in the internal energy of the engine.

Q: Consider the chemical equation 2 A + 3 B ---> 4 C + D The reaction enthalpy is 705 kJ How many…

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Q: calculate w for the engine.

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Q: An automobile engine provides 581 Joules of work to push the pistons and generates 2167 Joules of…

A: The relationship between change in internal energy (∆E), heat (q) and work done (W) is given by…

Q: A piston has an external pressure of 6.00 atm. How much work has been done in joules if the cylinder…

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Q: A chemical reaction is run in which 424 Joules of heat are absorbed and 441 Joules of work are done…

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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: An automobile engine provides 623 Joules of work to push the pistons. In this process the internal…

A: Given: Work done = 623 Joules Change in internal energy = -2731 Joules

Q: An automobile engine provides 519 Joules of work to push the pistons. In this process the internal…

A: According to first law of thermodynamics , the relationship between change in internal energy , heat…

Q: An automobile engine provides 561 Joules of work to push the pistons. In this process the internal…

A: To solve this question, use the formula which contains q, ∆U, and w in it. Give the signs to the…

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

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Q: A 10 g piece of copper at 145 oC is placed in 150 mL of water. The initial temperature of water is…

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Q: ΔΕ

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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: Calculate the internal energy of the system that absorbs 50 kJ of heat and 165 kJ work done by the…

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Q: You want to determine the heat capacity of a piece of ceramic. You place a 124.0 g piece of ceramic,…

A: Given: The mass of the ceramic piece is mc = 124.0  g The initial temperature of the ceramic piece…

Q: Draw structural formulas for the products of hydrolysis of aspartame in 1 M HCl

A: Hydrolysis: The reaction in which chemical compound is breakdown in presence of water is termed as…

Q: An automobile engine provides 621 Joules of work to push the pistons. In this process the internal…

A: According to the first law of thermodynamics, the following expression is obtained: ∆U=q+w…

Q: The combustion of fuel in a piston cylinder causes an internal energy change of –2.843E3 kJ. The…

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Q: When 500 J of heat is added to a gas, the gas expands its volume from 0.0019 m3 to 0.005 m3 at a…

A: Change in volume = 0.005 m3 – 0.0019 m3 = 0.0031 m3

Q: Constants | Periodic Table Titanium reacts with iodine to form titanium (III) iodide, emitting heat.…

A: Heat emmited = -839 KJ

Q: Use the References to access important values if needed for this question. The following…

A: Iron (III) oxide reacts with hydrogen to form iron metal and water. The equation for the balanced…

Q: Calculate the energy required to heat 1.70 kg of iron from -7.4 °C to 13.2 °C. Assume the specific…

A: Mass of metal =1.70 kg = 1700 g (1 kg = 1000 g)specific heat of iron = 0.449 J.g-1.K-1initial…

Q: piece of metal weighing 18.4 g is heated to raise its temperature from 21.7C to 53.5C. It is found…

A: Specific Heat capacity is amount of heat required to increase the temperatures of one gram of…

Q: When 500 J of heat is added to a gas, the gas expands its volume from 0.0017 m3 to 0.0043 m3 at a…

A: Given:Volume V1 = 0.0017 m3 Volume V2= 0.0043 m3pressure = 144000 Pa

Q: A 57-g sample of liquid water at 25.0 C is mixed with 21 g of water at 45.0°C. The final temperature…

A: We have to calculate the final temperature of water.

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

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Q: Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps. In the first step,…

A: The total change in enthalpy for the solution is the sum of all changes regardless of the distinct…

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

A: When a reaction is  carried out in water bath, heat released during reaction is transferred to water…

Q: What mass (in grams) of Si(s) must react with excess F2 to produce 2,509 kJ of heat given the…

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Q: In the laboratory a student determines the specific heat of a metal. He heats 18.8 grams of aluminum…

A: Given that-Mass of aluminium=18.8 gramsIts initial temperature=98.63°CMass of water=79.1 gramsIts…

Q: AE=

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Q: 152 A 352.44 155 T 362.31 153 G 355.67 156 X 365.88 154 D 359.12 157 N 369.52 Consider the following…

A: Enthalpy of reaction is equal to  change in the sum of enthalpy of products and reactants.

Q: A sample of gas occupies a volume of 63.2 mL. As it expands, it does 134.0 J of work on its…

A: Given:Volume V1 = 63.2 mL = 0.0632 L.Pressure P = 783 torr = 1.03026 atmWork W = 134.0 J = -1.323…

Q: The final temperature of the copper is ________°C.

A: q = mc∆T  q is the amount of heat energy required  m is the mass of substance  c is the specific…

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

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Q: The system changes from state 1 to state 2 and its internal energy change is -188 J. During the…

A: We have to predict the heat released or heat absorbed.

Q: A piston has an external pressure of 10.0 atmatm. How much work has been done in joules if the…

A: The expression for the calculation of work done is shown below: w = -Pext∆V where; w = work done…

Q: A sample of gas occupies a volume of 68.7 mL. As it expands, it does 111.0 J of work on its…

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Q: A piston holding a gas compresses from 4 L to 1 L under an external pressure of 3 atm. What is the…

A: Work is the energy required to move something against a force. To calculate how much work a gas has…

Q: If a system absorbs 155 kJ of heat from its surroundings and the system does 45 kJ of work on its…

A: Given, Amount of heat absorbs by the system q = 155 kJ work done by the system W = 45 kJ We are…

Q: An automobile engine provides 565 Joules of work to push the pistons. In this process the internal…

A: In this question, we want to determine the amount of heat that must be carried away by the cooling…

Q: Calculate the energy required to heat 430.0 mg of iron from -2.1 °C to 12.1 °C. Assume the specific…

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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: 200 grams

A: A) moles of NH3 = 200g / 17gmol-1 = 11.765mol  B) moles of O2 = 450g / 32gmol-1 = 14.063mol

Q: An automobile engine provides 624 Joules of work to push the pistons. In this process the internal…

A: Calculate heat q for the engine ?

Q: The temperature of a certain metal bar rises by 10.0OC when it absorbs 2.35kJ of energy by heat. The…

A: Specific Heat capacity is amount of heat required to increase the temperatures of one gram of…

Q: 15

A: Given : Work = 613 JHeat generated = 2390 J Required :Change in Internal Energy  Formula to be used…