In a given gaseous reaction, 72 J of heat is absorbed and AE = -442 J. (a) Calculate w (work). work done by the system or on the system? (b) Is

Q: If 1101 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g•°C)…

A: HEAT ENERGY: When the atoms present in a compound which can be a solid, liquid or a gaseous molecule…

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: How much heat (in joules) is used to heat an 80.88-gram sample of iron from 3.59 °C to 100 °C if the…

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Q: Temperature of 150. g of iron increased from 27.1 °C to 33.1 °C after absorbing 406 J of heat, what…

A: Given data,Mass of iron=150gInitial temperature=27.1oCFinal temperature=33.1oCHeat (Q)=406J

Q: A lead fishing weight with a mass of 57 g absorbs 146 calof heat. If its initial temperature is…

A: The given data contains, mass = 57 g. Heat Q = 146 cal. Initial temperature = 47°C

Q: If 4.62 kJ of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C)…

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Q: If a system has 48 J of work done on it and absorbs 22 J of heat, what is the value of AE for this…

A: The work done in a thermodynamic system is always a consequences of heat absorption or release…

Q: If 1001 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C)…

A: Given Heat ( Q ) = 1001 Joule  Specific heat ( s ) = 0.450 Joule/gram℃  Initial temperature ( T1 ) =…

Q: If a system has 48 J of work done on it and absorbs 22 J of heat, what is the value of AE for this…

A: Given: Work done on the system (w) = +48 J Amount of heat absorbed = +22 J

Q: A heat pump is an electrical device that heats a building by pumping heat in from the cold outside.…

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Q: An iron piston in a compressor has a mass of 3.62 kg. If the specific heat of iron is 0.449 J/g°C,…

A: •  The values provided in the question are:-  i) Mass of an iron piston, m = 3.62 kg = 3620 g { 1 kg…

Q: A system initially has an internal energy U of 501 J. It undergoes a process during which it…

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Q: When 305.2 calories of heat are added to 32.02 g of copper (specific heat capacity of 0.0920 cal/g…

A: The heat 'q' which is required to raise the temperature of a sample of mass 'm' having specific heat…

Q: When determining the heat capacity of the unknown metal we assumed the heat capacity of water has a…

A: When determining the heat capacity of the unknown metal we assumed the heat capacity of the water…

Q: A 300 g piece of copper is heated and fashioned into a bracelet. The amount of energy transferred by…

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Q: how many grams of iron

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Q: A 22.0 g block of copper at 45'C absorbs 2.50 kJ of heat. Given the specific heat of Cu is 0.385…

A: given :-  mass of Cu = 22.0 g  specific heat of Cu = 0.385 J/g°C  initial temperature = 45 °C  heat…

Q: 4. What is the specific heat of iron, if it requires 1050 J of heat energy to raise the temperature…

A: Heat required = 1050 J Initial temperature = 10.0°C Final temperature= 20.4°C Change in temperature…

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: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g•°C) that…

A: Given,  specific heat = 0.450 J/g.oC heat = 801 J , mass = ? , ∆T= 120°C - 22.5°C = 97.5°C

Q: a 15.0 g lead ball at 25.0 was heated with 40.5 joules of heat. Given the specific heat of lead is…

A: Given : Mass of lead = 15.0 g Initial temperature of lead = 25.0 oC Specific heat of lead = 0.128…

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: In the laboratory a student finds that it takes 79.6 Joules to increase the temperature of 14.8…

A: The specific heat capacity of copper (C) can be calculated using equation (1). In this equation, m…

Q: A system conducts 255 cal of heat to the surroundings whiledelivering 428 cal of work. What is the…

A: Internal energy is the energy present within the system which rises up when molecular motion takes…

Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.45 J/g･°C) that…

A: Q = heat =801 J ΔT = change in temperature = (120 - 22.5) = 97.5 oC c = Specific heat = 0.45 J/goC…

Q: 6.10)A system releases 255 cal of heat to the surroundings and delivers 428 cal of work. What is the…

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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: what is the mass in grams of iron

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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: 2. Consider the following reaction in a container with a movable piston: A + B, (), The AE for this…

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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: A 102g piece of silver with heat capacity 0.235 J/gºC absorbs 56.7 J of heat, if its initial…

A: The equation is,

Q: If 901 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C) that…

A: The amount of heat available is = 901 J The specific heat of iron is = 0.450 J/g.oC The rise in…

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

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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: If 901 J of heat is available, what is the mass in grams of iron (specific heat = 0.45 J/g･°C) that…

A: Given data: Heat = 901 J Specific heat = 0.45 J/g.℃ Initial temperature = 22.5 ℃ Final temperature =…

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

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Q: specific heat

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Q: If it takes 41.72 joules of heat for a piece of gold weighing 18.69 grams from 10.0oC to 27.0oC,…

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Q: The specific heat of aluminum is .900J/g degree C, what is its molar specific heat?

A: The specific heat of aluminium=0.900 J/goC Mass of 1 mol of aluminium= 26.98 g Molar heat capacity…

Q: What is the energy change of a system as it does 12 J of work and absorbed 27 J of heat?

A: To calculate the energy change of the system if the work done by the system is 12 J and it absorbs…

Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g °C) that…

A: For the first question simply it follows the  q= ms∆t equation.   For the second one it is the case…

Q: If a system does 80.0 kJ of work on its surroundings and releases 105 kJ of heat, what is the change…

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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: If 601 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g.°C) that…

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Q: Iron bar of mass 869 g cools from 94 degree C to 5 degree C. Calculate the heat released by the…

A: Given : Mass of iron = 869 g Initial temperature of iron = 94 oC And final temperature of iron = 5…

Q: As a gas expands, it absorbs 225 J of heat and does 243 J of work to the outside. Accordingly, the…

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Q: If a system has 225 kcal of work done to it, and releases 5.00 x 10² kJ of heat into its…

A: Given, Work done on the system W=225 Kcal    {As work is done by the system , so  W is +ve} Heat…

Q: A heat pump is an electrical device that heats a building by pumping heat in from the cold outside.…

A:

Q: A heat pump is an electrical device that heats a building by pumping heat in from the cold outside.…

A: A heat pump is a device that transports heat from source to a thermal reservoir. It transfers heat…