If 315cal of heat is given to the system, and the system does 20cal of work, find the change in internal energy. a) 295cal b) 335cal c) 0 cal d) 335J

Q: Determine the change in the internal energy of a system that absorbs 719 cal of thermal energy while…

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Q: An engine has a hot reservoir that contains 20 MJ of heat energy at 400º c, and a cold reservoir…

A: Given that:QH=20 MJTH=400°CQC=15 MJTC=5°C

Q: A constant volume of (a) 1 cubic meter and (b) 3 cubic meter is used to heat a set quantity of an…

A: The Energy required is directly proportional to the volume for a constant temperature change.

Q: Current Attempt in Progress In agame of football outdoors on a cold day, a player will begin to feel…

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Q: When a system transitions from state A to state B along the ACB path, it receives 20,000 cal and…

A: Given data

Q: 5 kg person cann- he rides a bike a duces energy at a verted to heat. TR

A: Energy produced by his body(w)=450WSo in 1hour the produced energy will be(E)=450×3600=1620000JThe…

Q: The motor that drives a refrigerator produces 174 W of useful power. The hot and cold temperatures…

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Q: Suppose a woman does 600 J of work and -9400 J of heat transfer occurs into the environment in the…

A: Work, W = 600 JHeat, Q = -9400 JEfficiency, Eff = ?

Q: A system gains 2730 J of heat at a constant pressure of 1.49 x 105 Pa, and its internal energy…

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Q: a) the amount of heat transferred to the ice to melt;         b) the change of entropy for the…

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Q: A gas is compressed inside a clinder. An average force of 45 Newtons acts to move the pistion 7.4 m.…

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Q: if 1 mol of gas are expanded isothermally and reversibly from 150 KPa to 100 KPa at 25 C°. calculate…

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Q: Could you warm a kitchen by leaving the door of a hot oven open? Explain.

A: In the hot oven, the coil of the oven heated, which heats the air inside the oven. The same process…

Q: If 3.50E2 J of heat are transferred to a system, while the system does 203 J of work. What is the…

A: Heat transferred = Q = 3.50 × 102 J Work done = W = 203 J Change in internal energy = ∆U = ?

Q: ) When two objects are in ,then heat flows out from hot to coid. During this process the internal…

A: i) not thermal equilibrium; decreases increases

Q: Work of 3000 J is done on an ideal gas, but the internal energy raises only 1600 J. What is the…

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Q: 110 J of heat is added to a gaseous system, whose internal energy increases by 40 J. Then the amount…

A: ∆Q=∆U+∆W ∆Q is the heat energy change ∆U is the internal energy change ∆W is the work done

Q: Calculate the work done by 1.10 mol of ideal gas that is kept at 291 K during an expansion from…

A: Since the temperature is kept constant, the process is isothermal. The equation for the work done in…

Q: You add 3181 J of heat to a system at constant pressure of 2.78 x105 Pa.  While doing so, its…

A: Given: Heat, Q = 3181 J pressure, p = 2.78 X 105 Pa Internal energy, U=6300 J

Q: An arrow in a bow in a bow has 270 (J) of potential energy. Assuming 100 (J) of energy were…

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Q: .... The increase in internal energy is One mole of water at a pressure of 1013 N/m2 and a degree…

A: Given Number of a mole of water (n)          = 1 Pressure (P)…

Q: How long in minutes does it take a 1000W electric kettle to bring 1.0L of water to the boiling point…

A: A) Power = 1000 W volume of water = 1 L initial temperature = 15oC mass of iron = 400 g Efficiency =…

Q: Consider a balloon of volume 2.0 m3 that contains 3.5 moles of helium gas at a temperature of 300 K.…

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Q: In an industrial process, a gas phase refrigerant reduces its internal energy by 70 kJ by means of a…

A: Given data dU=-70 kJWin=-20 kJWout=+100 kJ

Q: 11) During a particular time interval an air conditioner requires 1.2 kJ of mechanical energy in…

A: To answer: How good is an air conditioner at its job?

Q: Water boiling under pressure = 125 degrees celsius Cold reservoir = 25 degrees celsius Find the…

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Q: Determine the specific heat at constant pressure of an ideal gas whose molecular mass is 41 and…

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Q: a cup of ot water that is exposed to the surrounding for a few minutes has a final temperature of 40…

A: Write the given values of this problem. T=40°C or 313 K∆U=1321 Jn=0.96R=8.31J/mol K Fixed

Q: An automobile engine provides 626 Joules of work to push the pistons. In this process the internal…

A: Given : change in internal energy, ΔU = -2946 J             Work done by engine, W = 626 J

Q: A system does 1.80×10* Jof work while 7.50× 10° J of heat transfer occurs to the environment. What…

A: The following data are given: Work done, ∆W=+1.8×108J (positive sign appears because the system is…

Q: How much heat to you need to add to 4 g of ice at 0oC to convert it to water at 0oC? Assume…

A: We know that Q = mL here L latent heat