An electrical heater is used to supply 240.0 J of energy to a 30.0 g sample of aluminum, originally at 300.0 K. Determine the final temperature in degrees Kelvin. (the specific heat capacity for aluminum is 24.35 Jmol-1K-1)

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

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Q: A system gains 727 kJ of heat, resulting in a change in internal energy of the system equal to +151…

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Q: A 216.9 g sample of sodium absorbs 800.2 joules of heat. The specific heat capacity of sodium is…

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Q: 450 Joules of energy were requiri d to raise the temperature of a 10.0g sample of aluminum from 25 C…

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Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given: mass of CuSO4 = 3.32 g mass of H2O = 113.60 g Temperature change from 23.47 to 26.70 °C heat…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

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Q: In the laboratory a student finds that it takes 88.1 Joules to increase the temperature of 14.5…

A: The amount of heat required to raise the temperature of a substance by one degree Celsius is called…

Q: the laboratory a student finds that it takes 29.3 Joules to increase the temperature of 13.1 grams…

A: Given -> ∆H= 29.3 joule Weight (m) = 13.1 gm T1=20.0°C  T2= 37.9°C

Q: A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

A: Using the following equation, the mass of the metal is calculated.

Q: solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can…

A: The heat of a system remains…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 281.0 mg sample…

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Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: The enthalpy of dissolution can be calculated from the following formula. ∆Hdissolution=Qreactionno…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: The amount of heat lost or gained by a substance depends in the specific heat capacity of the…

Q: A 531.6 g sample of sodium undergoes a temperature change of +86.75 °C while absorbing 857.4 joules…

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Q: An engineering student wants to study the heat transfer between a 50 g of a heated block of iron…

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Q: 1. How much heat must be added to a 38-g sample of aluminum to increase its temperature by 250.0°C?…

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Q: Sulfur, S8, burns in air to produce sulfur dioxide. The reaction evolves 9.31KJ of heat per gram of…

A: sulfur burns in air to produce sulfur dioxide. the reaction evovles 9.31 KJ of heat per gram of…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Since the temperature of the solution is increased, heat is released by the dissolution reaction of…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: given , WCaBr2    = 1.72 g  M CaBr2 =   200g/mol nCaBr2   = 1.72g/200g/mol ) WH2O  =  107.30 g…

Q: 1. A system receives 425 J of heat and delivers 425 J of work toits surroundings. What is the change…

A: We have to calculate the change of internal energy of system.

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: Calculate the energy required to heat 486.0 mg of silver from -9.6 °C to -3.7 °C. Assume the…

A: Q = m . s . ∆T Where, Q = heat absorbed;  m = mass of metal, s = specific heat of metal and ∆T =…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: 2. The work done when a gas expands in a cylinder is 264 J. During the process, there is a 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 gains 767 kJ of heat, resulting in a change in internal energy of the system equal to +201…

A: Find the solution below

Q: The work done to compress a gas is 122 J. As a result, 31 J of heat is given off to the…

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Q: 12. The work done to compress a gas is 50 J. As a result, 20 J of heat is given off to the…

A: Work done to gas = +50 J  Heat lost = -20 J

Q: How many joules of heat must be removed from 432g of water. (heat capacity of 4.184j / g celsuis) to…

A: Joules of heat can be calculated by using following formula,The equation for heat is  Q=m(Δt)Cp

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: resulting

A: ∆U = q + w  Where : ∆U = change internal energy = +166kJ  Heat(q) = +762 kJ ( positive value because…

Q: A 43.0-g sample of copper at 99.1 °C is dropped into a beaker containing 151 g of water at 18.7 °C.…

A: When copper is placed in water, the heat liberated from copper will be equal to the heat gained by…

Q: A18 kg block of iron at 29 °C is rapidly heated by a torch such that 11 kJ is transferred to it.…

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Q: A 531.1 g sample of ammonia releases 777.1 joules of heat. The specific heat capacity of ammonia is…

A: Here we are required to find the change in the temperature when certain mass of ammonia releases…

Q: The work done to compress a gas is 70 J.  As a result, 25 J of heat is given off to the…

A: Work done to compress = Work done on the system And work done on the system is taken with a positive…

Q: 1. A 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and is temperature changes from…

A: Since you have posted multiple questions, we will solve only the first question for you according to…

Q: In the laboratory a general chemistry student finds that when 5.26 g of CsClO4(s) are dissolved in…

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Q: When 36 g of a metal at 89 C is added to 48 g of water at 27 C, the temperature of the water rises…

A: specific heat (Q) =m x S x  ΔT MASS =m SPECIFIC HEAT =S CHANGE IN TEMPERATURE=ΔT

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given data,Mass of MgCl2=0.76gMass of water=105.70gInitial temperature=24.28oCFinal…

Q: 4. A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

A: Please find your solution below :

Q: How many milliliters of water at 23 °C with a density of 1.00 g/mL must be mixed with 180 mL (about…

A: The net heat absorbed by water will be equal to the heat released by coffee. Determination of heat…

Q: 25.0

A: We will use heat energy formula

Q: If 83 JJ of heat is added to a pure gold coin with a mass of 20 gg , what is the temperature change?…

A: The formula to calculate heat required is given by, q=m.C.∆T where q is the amount of heat added, C…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.43 kg sample…

A: Given, mass of sample C4H11N, m = 0.43 kg Moles  0f C4H11N = 0.43 ×103 g73 g/mol change in…

Q: In the laboratory a student finds that it takes 17.9 Joules to increase the temperature of 10.3…

A: The heat amount basically gets utilized for enhancing any substance's temperature containing 1 g…

Q: Combustion of hexane, c6h12, to carbon dioxide gas and water, releases 3923.9 KJ of heat. What is…

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Q: A 35.2-g sample of metal X requires 1251 Jof energy to heat the sample by 25.0 °C.Calculate the…

A: Given information:

Q: Consider the combustion of propane: C,H, (9) + 50 (9) 3CO,(9) + 4H,O(1) AH=-2221 kJ A balloon is…

A: The given data contains, Heat required = 1.4×108 J Assume y grams of propane is being combusted.…