150.0 mL of 0.500 M hydrochloric acid is mixed with 350.0 mL of 0.150 M barium hydroxide in acoffee cup calorimeter. The temperature of the mixture increases from 25.0 C to 27.1 C. What is the H of the reaction? Assume the density and heat capacity of the solution is the same as that of water.

Q: density of water = 1.00 g/ mL The enthalpy changes when a strong acid is neutralized by strong base…

A: Given molar enthalpy of neutralization = - 56.1 kJ/mol  The thermochemical equation can be written…

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Q: When 25 mL of chemical A and 25 mL of chemical B were mixed in a calorimeter the following reaction…

A: Solution :          Heat is the thermal energy that is required to raise the temperature of the…

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

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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…

A: Answer is explained below, hope you like it. Ans:- The enthalpy of dissolution of KBr is +21.92…

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

A: For calculation of enthalpy of dissolution ∆Hdissolution , we use Following formulas - (A)Q = m c ∆T…

Q: Equal volumes, 50.0 mL, of 0.54897 M solution of HCl and 0.9573 M NaOH solutions having an initial…

A: Given- Volume of HCl solution = 50.0 ml Molarity of HCl solution = 0.54897 M Volume of NaOH solution…

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

A: Since you have posted multiple questions, the answer for first question is given below. Kindly…

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 general chemistry student finds that when 0.61 g of MgCl2(s) are dissolved in…

A: For this experiment, Qsol + Qcal + Qrxn = 0Therefore Qrxn = - (Qsol + Qcal)  ΔHdissolution = Qrxn /…

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

A: Given data, Mass of K2SO4 = 5.25 g Mass of water = 115.60 g Initial temperature = 23.87oC final…

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: 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: 1. A sample of metal with mass 250.0 g is heated to 130.0 ℃ and dropped into 425 g of water at 26.0…

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Q: A 76 ml solution of a dilute AGNO3 solution is added to 91 mL of a base solution in a coffee-cup…

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Q: When 15.3 g of sodium nitrate was dissolved in water in a calorimeter, the temperature fell from…

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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 BaCl2        = 12.87 g Mass of water        = 101.30 g Final temperature  = 27.07 oC…

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: 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 heat released due to the dissolution of the solid CoSO4 will be used by the solution and…

Q: A 1.36 g sample of a soluble salt dissolves in 23 mL of water in a coffee cup calorimeter.  When the…

A: Given: Mass of sample               = 1.36 g Volume of water              = 23 mL Decrease in…

Q: Consider the thermochemical equation for the combustion of acetone (C3H6O), the main ingredient in…

A: Acetone reacts with oxygen to form carbon dioxide and water. The combustion reaction of acetone is…

Q: A 5.006 g sample of methanol, CH3OH, was combusted in the presence of excess oxygen in a bomb…

A: Since the question number is not mentioned, we will answer both the questions.

Q: In an experiment, 28.0 g of metal was heated to 98.0°C and then quickly transferred to 150.0 g of…

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Q: When a 12.6 g sample of NaOH(s) dissolves in 392.0 mL water in a coffee cup calorimeter, the…

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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: In a calibration of a calorimeter, 50.3 g of water at 60.5 degrees C is added to 48.7g of water at…

A: GivenMass of 1st lot of water = 50.3gTemperature (T1) = 60.5°CMass of 2nd lot of water =…

Q: In an experiment, 2 grams of zinc and 150 mL aq CuSO4 were made to react, then as observed, the…

A: Given: Mass of zinc reacting = 2 g Volume of CuSO4 solution = 150 mL Initial temperature of solution…

Q: When a  3.17 gg  sample of solid sodium hydroxide was dissolved in a calorimeter in 100.0 g of…

A: Given: Mass of NaOH dissolved = 3.17 g. Mass of water = 100.0 g  Initial temperature of water = 23.9…

Q: A student heats 84.17 mL of water to 95.27°C using a hot plate. The heated water is added to a…

A: Answer: Heat capacity of calorimeter is 304.5 J/°C.

Q: Assume the specific heat of the solution is equal to the specific heat of water. ΔHdissolution =…

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Q: A 1.655 g1.655 g sample of a new organic material is combusted in a bomb calorimeter. The…

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Q: The enthalpy change when a strong acid is neutralized by strong base is -56.1 kJ/mol. If 25.0 mL of…

A: HBr + NaOH → NaBr + H2O    First calculate the millimoles of each reactant to find the limiting…

Q: When the Cacl2(s) is added to water, the following reaction occurs. Cacl,(s) → Ca2"(aq) + 2CI¬(aq)…

A: The specific heat is the amount of thermal energy given to a sample of 1g to increase the…

Q: When a 13.3 g sample of NaOH(s) dissolves in 386.0 mL water in a coffee cup calorimeter, the…

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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 piece of silver of mass 363 g has a heat capacity of 85.7 J/°C. What is the specific heat of the…

A: Given: The mass of silver piece, (m)=363 g. The heat capacity of silver, (C)=85.7 J/0C

Q: When 50.0 mL of 1.27 M of HCl(aq) is combined with 50.0 mL of 1.32 M of NaOH(aq) in a coffee-cup…

A:

Q: A student heats 84.17 mL of water to  95.27°C using a hot plate. The heated water is added to a…

A: Since,mass = density × volume

Q: 31.  When a 0.740-g sample of trinitrotoluene (TNT), C7H5N2O6, is burned in a bomb calorimeter, the…

A: Given: Mass of TNT, m = 0.740 g Initial temperature, Tinitial = 23.4oC Final temperature, Tfinal =…

Q: A2.89 g sample of methanol, CH3OH, is combusted in a bomb calorimeter. The temperature of the…

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Q: When 100 mL of 0.200 M NaCl(aq) and 100 mL of 0.200 M AgNO3(aq), both at 21.9 °C, are mixed in a…

A: Given that  Initial temperature = 21.9 °C Final temperature = 23.5 °C To calculate the amount of…

Q: In an experiment, a 0.5021 g sample of heptadecanoic acid (C,H0,) is burned completely in a bomb…

A: Bomb calorimeter: It is a devices which is used for finding Heat content of reaction at fixed volume…

Q: 4. A 50.0 mL solution of 1.2 M HCI at 24.1°C is mixed with 50.0 mL of 1.3 M NaOH, also at 24.1°C, in…

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Q: The heat of combustion of benzoic acid, HC7H5O2, is 26.38 kJ/g. A 1.640 g sample of benzoic acid is…

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