Recent questions in ThermoChemistry

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Calculate the amount of heat required to melt 50 grams of ice at 0°C, given that the enthalpy of fusion of ice is 6.01 kJ/mol.

asked Jan 23 in ThermoChemistry by FelixTolmer3 (1.9k points)

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Calculate the amount of heat required to melt 50 grams of ice at 0°C and convert it into liquid water at the same temperature. The enthalpy of fusion of ice is 6.01 kJ/mol.

asked Jan 23 in ThermoChemistry by LeathaOchoa (1.7k points)

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Calculate the amount of heat required to melt 50 grams of ice at 0 C, taking the enthalpy of fusion to be 6.01 kJ/mol.

asked Jan 23 in ThermoChemistry by BrodieUus47 (1.7k points)

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Calculate the amount of heat required to melt 25 grams of ice at 0°C. The enthalpy of fusion of ice is 6.01 kJ/mol.

asked Jan 23 in ThermoChemistry by EmilySulman6 (2.0k points)

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1 answer 73 views

Calculate the amount of heat required to melt 20 grams of ice at 0°C and convert it to liquid water at 0°C. The enthalpy of fusion of water is 6.01 kJ/mol. Show all the steps of your calculations.

asked Jan 23 in ThermoChemistry by NilaBody107 (1.7k points)

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Calculate the amount of heat released when 50 grams of NaOH is dissolved in 500 mL of water at 25°C. The heat of crystallization of NaOH is -44.51 kJ/mol. Assume the final temperature of the solution is 25°C and the heat capacity of the solution is 4.18 J/g °C.

asked Jan 23 in ThermoChemistry by RenaBrower51 (1.7k points)

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1 answer 65 views

Calculate the amount of heat released when 25 g of NaCl is crystallized from a solution at its saturation point. The heat of crystallization of NaCl is -788 J/g.

asked Jan 23 in ThermoChemistry by NiklasCave18 (1.6k points)

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1 answer 80 views

Calculate the amount of heat released when 0.5 moles of propane, C3H8, combust completely in oxygen gas, O2, according to the following balanced equation:C3H8(g) + 5O2(g) -> 3CO2(g) + 4H2O(l), ∆H = -2220 kJ/mol.

asked Jan 23 in ThermoChemistry by MargueriteWa (1.8k points)

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Calculate the amount of heat energy required to melt 25 grams of ice at 0°C, given that the enthalpy of fusion of ice is 6.01 kJ/mol.

asked Jan 23 in ThermoChemistry by IsabellFrome (2.1k points)

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1 answer 84 views

Calculate the amount of heat energy required to melt 20 grams of ice at 0°C and determine the final temperature of the resulting water if the enthalpy of fusion of ice is 6.01 kJ/mol and the specific heat capacity of water is 4.18 J/(g·°C).

asked Jan 23 in ThermoChemistry by CamillePiazz (1.8k points)

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1 answer 56 views

Calculate the amount of heat energy released when 50 mL of 1 M hydrochloric acid (HCl) is mixed with 50 mL of 1 M sodium hydroxide (NaOH) solution. The heat of neutralization for the reaction between HCl and NaOH is -57.1 kJ/mol.

asked Jan 23 in ThermoChemistry by AbbeyBisson8 (1.9k points)

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Calculate the amount of heat energy needed to melt a 25-g ice cube at its melting point of 0°C. The enthalpy of fusion of water is 6.01 kJ/mol.

asked Jan 23 in ThermoChemistry by NelleVxq8414 (1.5k points)

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1 answer 62 views

Calculate the amount of heat absorbed when 32 grams of ice at -10°C melts into water and then further heated to 35°C. (Given: Enthalpy of fusion of ice = 6.01 kJ/mol and specific heat of water = 4.18 J/g°C)

asked Jan 23 in ThermoChemistry by Beatris65S46 (1.9k points)

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1 answer 66 views

Calculate the amount of heat absorbed when 20 grams of ice at -10°C is melted and then warmed to 30°C. The specific heat of ice is 2.09 J/g°C, the specific heat of water is 4.18 J/g°C and the enthalpy of fusion of ice is 6.01 kJ/mol.

asked Jan 23 in ThermoChemistry by SelenaRonan (2.2k points)

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1 answer 74 views

Calculate the amount of heat absorbed or released when 50 grams of NaCl crystals at 25°C are dissolved in 200 grams of water at the same temperature. Given the enthalpy of crystallization of NaCl is -787 kJ/mol and the specific heat capacity of water is 4.18 J/g°C.

asked Jan 23 in ThermoChemistry by YVMCinda4278 (2.3k points)

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1 answer 71 views

Calculate the amount of heat absorbed or released when 20 grams of dry ice (solid carbon dioxide) is converted to gaseous carbon dioxide at -78.5°C and atmospheric pressure, given the heat of sublimation of dry ice is 25.2 kJ/mol.

asked Jan 23 in ThermoChemistry by MichelleHall (2.0k points)

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1 answer 77 views

Calculate the amount of heat absorbed or released when 2.5 moles of sodium acetate (NaCH3COO) is crystallized from its solution at a constant temperature of 25°C. The heat of crystallization for sodium acetate is -427 kJ/mol.

asked Jan 23 in ThermoChemistry by WayneYcs587 (2.5k points)

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1 answer 86 views

Calculate the amount of heat absorbed by 50 grams of water during the process of crystallization when it is cooled from 70°C to 0°C and solidifies into ice with a heat of crystallization of 333.55 J/g.

asked Jan 23 in ThermoChemistry by AguedaD83620 (2.6k points)

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1 answer 78 views

Calculate the amount of heat absorbed (in joules) when 10 grams of sodium hydroxide (NaOH) is dissolved in 100 mL of water at 25°C, given that the enthalpy of solution for NaOH is -44.51 kilojoules per mole.

asked Jan 23 in ThermoChemistry by MervinSchroe (2.0k points)

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1 answer 78 views

Calculate the amount of heat (in joules) released when 50 ml of 0.1 M hydrochloric acid (HCl) is mixed with 50 ml of 0.1 M sodium hydroxide (NaOH) at a constant pressure and a temperature of 25°C. The heat of neutralization of HCl and NaOH is -57.1 kJ/mol.

asked Jan 23 in ThermoChemistry by JeremiahMoli (1.7k points)

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