What is the final temperature of a system if 17.00 g of gold at 90.0°C is placed in 17.00 g of water at 23.00 C? The molar heat capacity of gold is 25.41 /mol-"C) and the heat capacity of water is 4.18 J/g-"C).

Q: A 75.0-g sample of a metal is placed in boiling water until its temperatureis 100.0°C. A calorimeter…

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Q: A hot lump of 35.6 g of aluminum at an initial temperature of 51.6 °C is placed in 50.0 mL H, O…

A: Mass of Aluminum = 35.6 g  Initial temperature of Aluminum = 51.6°C  Specific heat capacity = 0.903…

Q: A 55 kg block of metal has an original temperature of 15.0°C and a specific heat capacity of 0.45…

A: Specific heat capacity (C) =       Q                                                       m ( T2…

Q: When 15.3 g of sodium nitrate, NaNO, (85 g/mol), was dissolved in water in a constant-pressure…

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Q: the change in enthalpy for the reaction of sodium hydroxide with hydro chloric acid is -57.9 kJ. if…

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Q: How much heat must be applied to a 40.2g sample of gold (s=0.129 J(g∙℃)) in order to raise its…

A: Given information:Mass of gold = 40.2 gInitial temperature = 28.2 ˚CFinal temperature = 351.5…

Q: A vessel containing 1.000 kg of water at 25.00 °C is heated until it boils. How much heat is…

A: Given: Amount of water = 1.000 kg Initial temperature of water = 25.00 oC Boiling point of water =…

Q: When a sample titanium was supplied 1.00kj of energy, the temp rose to 103.5 degrees celcius. If the…

A: Given information, Amount of heat supplied (Q) = 1.00 kJ = 1*103 J Change in temperature (∆T) =…

Q: If a system has 475 kcal475 kcal of work done to it, and releases 5.00×102 kJ5.00×102 kJ of heat…

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Q: The change in enthalpy for the reaction of sodium hydroxide with hydrochloric acid is -57.9 kJ. If…

A: The heat generated from a reaction can be calculated by the multiplication of mass (m), specific…

Q: When a 12.6 g sample of NaOH(s) dissolves in 398.0 mL water in a coffee cup calorimeter, the…

A: Mass of sample = 12.6 g  Mass of water = 398.0 mL Change in temperature of water  = 29.7 °C - 21.6…

Q: The propane fuel (C3H8) used in gas barbeques burns accordingto a thermochemical equation:C3H8(g) +…

A: The reaction is carried out in more than one step then the sum of all the steps gives the overall…

Q: If a system has 4.50×102 kcal of work done to it, and releases 5.00×102 kJ of heat into its…

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Q: A 140.0 g sample of water at 25.0°C is mixed with 100.0 g of a metal at 100.0°C. After thermal…

A: The change in energy of a system is given by,

Q: When 50.0 g of 0.200 M NaCl(ag) at 24.1 °C is added to 100.0 g of 0.100 M A9NO3(aq) at 24.1 °C in a…

A: Given: 0.200 M NaCl         mass  of NaCl =50. 0 gram         specific heat = 4.20 J/g C   find:…

Q: The heat of formation of H2SO4 is -909.27 kj/mol. Give the thermochemical equation for the formation…

A: Here we are required to show the formation of aqueous sulphuric acid

Q: You wish to heat water to make coffee. How much heat (in joules) must be used to raise the…

A: Given- Weight of water = 0.150 kg = 150 gm (1 kg = 1000 gm) T1= 26°C  T2= 97°C Specific heat…

Q: If 50.0g of benzene, C6H6, at 25.0c absorbs 2.71kJ of energy in the form of heat, what is the final…

A: The mass of benzene is = 50.0 g The initial temperature of benzene is = 25oC The amount of heat…

Q: The AH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When…

A: Given that : ∆Hsolution=44.4 kJ/molThe mass of NaOH=10.9 gThe mass of water=253 gInitial…

Q: The specific heat capacity of methanol is 2.51 J/(g•C). Find the heat required to raise the…

A: Given: The specific heat capacity of methanol is 2.51 J/(g oC).  Mass of methanol given = 80 g…

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: A system released 495KJ of heat and does 205KJ of work on the surroundings. What is the change in…

A: The first law of thermodynamics also implies that the change in the internal energy of a given…

Q: which material (aluminum , copper , lead) increase the temperature of water by the greatest amount…

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Q: A 2.62E1 g sample of aluminum at 1.008E2 °C is added to 1.002E2 g of water at 2.22E1 °C in a…

A: For a chemical reaction or physical process to occur a certain amount of energy should be furnished…

Q: A hot lump of 38.8 g of aluminum at an initial temperature of 69.2 °C is placed in 50.0 mL H,O…

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Q: The specific heat of water is 4.18 Jg1°C1.Calculate the molar heat capacity of water. -1o

A: Step : 1             Calculate the molar heat capacity of water.

Q: Suppose two 45-g ice cubes are added to a glass containing 500 cm3 of cola at 20,0°C. When thermal…

A: · Two 45 grams of ice cubes are added to a glass containing 500 cm3 of cola at 20.0°C· When thermal…

Q: When 21.0 g of 0.200 M NaCl(aq) at 18.7 °C is added to 18.0 g of 0.100 M AgNO3(aq) at 18.7°C in a…

A: Interpretation - To determine the amount of heat produced ( in J) when 21.0 g of 0.200 M NaCl(aq) at…

Q: When 10 g of citric acid was burned in a calorimeter containing 1500 g of water, a temperature rise…

A: Step 1: We know that,

Q: The temperature inside a sauna is 85.0°C. If 235.0g of solft drink straight from refrigerator…

A: 1- First we need to determine the change in temperature ( ∆T ) and mass in kg unit :  mass = 235.0g…

Q: When a 12.8 g sample of NaOH(s) dissolves in 360.0 mL water in a coffee cup calorimeter, the…

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Q: A sample of aluminum metal absorbs 9.86 joules of heat, pot which the temperature of the sample…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: Predict the total quantity of heat that would be required if you wanted to prepare a cup of instant…

A: Volume of cold water is 200 ml and density is 1.0 g/mL.Specific heat of water is 4.18 J.g.-1.°C-1…

Q: When 12.29 g of finely divided brass at 95.0 °C is quickly stirred into 40.00 g of water at 22.0 °C,…

A: Given, Mass of brass= 12.29 g Temperature = 95.0°C Mass of water = 40.00 g the temperature of water…

Q: A 395.7 g sample of water at 20.0 °C is mixed with 100.0 g of a certain metal at 95.0 °C. After…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: 4. Calculate q when 12.0 g of water is heated from 20 °C to 100 °C (specific heat of water 4.18…

A: q = m C ∆T q = heat lost / gain m = mass of substance C = specific heat capacity ∆ T = final…

Q: Assume

A: Given: Fluid = Water m =  180 g T1 = 30 deg C T2 = 97 deg C Cp = 4.184 J/g-deg C

Q: A bucket full of water increased in temperature from 25.0 oC to 27.28 oC after absorbing 1,982.32…

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Q: 4.51 g of octane, C8H18, reacts with excess oxygen in a bomb calorimeter. The heat capacity of the…

A: Given data,The mass of Octane is 4.51gThe heat capacity of the calorimeter is 6.97 kJ/°CThe…

Q: When a 13.3 g sample of NaOH(s) dissolves in 394.0 mL water in a coffee cup calorimeter, the…

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Q: energylost by the Fewill be th the heat enérgy gained by- Mass of water 50.003 g Temperature of…

A: Given that :

Q: When a  brass black was dropped into a 124-gram water, the water temperature increased from 21.0°C…

A: Given,Mass of water, mwater = 124 gMass of brass, mbrass = 77.764 gInitial temperature of water =…

Q: 9. Substance Mass (g) Initial Temperature(°C) AT (°C) Specific Heat Capacity (J/gx°C) Aluminum 20.0…

A: Given that, Mass of Al = 20.0 g Change in temperature ∆T = -5.9°C specific heat capacity of Al =…

Q: During an experiment, a student adds 0.339 g of calcium metal to 100.0 mL of 2.05 M HCI. The student…

A: Given data,Mass of Ca=0.339gMolarity of HCl=2.05MVolume of HCl=100mL=0.1LVolume of…

Q: In the laboratory a student finds that it takes 139 Joules to increase the temperature of 13.0 grams…

A: Q = mCdT Q = heat energy required m = mass C = specific heat dT = change in temperature

Q: A hot lump of 37.137.1 g of iron at an initial temperature of 95.6 °C95.6 °C is placed in 50.0 mL…

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Q: ining this experiment in the laboratory, you should be able to an estions. othermic and exothermic…

A: Given : Initial temperature = 500C Final temperature = 100C

Q: What mass of water could be warmed from 24.7°C to 50.6°C by the pellet dropped inside it? Heat…

A: Energy given up by the pellet is equal to heat capacity multiplied with change in temperature, is…

Q: When 1.06 g of liquid PCI3 at 15.5 C is added to a solution of water at in a coffee cup calorimeter,…

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Q: The heat released in the combustion of benzoic acid, C6H5COOH, which is often used to calibrate…

A: Given,Heat released during combustion of benzoic acid = -3228 kJ/molMass of benzoic acid, m =  1.658…