36. The melting point and boiling point of a substance is 70 °C and 450 °C respectively; its enthalpy of fusion is 30.0 cal g, its enthalpy of vaporisation is 45.0 cal g-l, and its specific heat is 0.215 cal gK-1 * What is the heat required to convert 100.0 g of the substance from the solid state at 70 °C to vapour at 450 °C?

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Q: What amount of heat (in kJ), is required to convert 29.3 g of an unknown solid (MM = 83.21 g/mol) at…

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Q: What amount of heat (in kJ), is required to convert 10.1 g of an unknown liquid (MM = 67.44 g/mol)…

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Q: What amount of heat (in kJ) is required to convert 14.2 g of an unknown solid (MM = 67.44 g/mol) at…

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Q: 36. The melting point and boiling point of a substance is 70 °C and 450 °C respectively; its…

A:

Q: Calculate the enthalpy change in kJ upon converting 0.50 mol of water at 45.0oC to a water vapor at…

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Q: The vapor pressure, P, of bromine at several temperatures, T, is given in the table.

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Q: How much heat would be required to convert 234.3 g of solid benzene, C,H(s), at 5.5°C into benzene…

A: Step A C6H6(S) at 5.5⁰Cà C6H6(l) at  5.5⁰C = MxL=234.3x9.92 Q1=2324.256J   Step B C6H6(l) at  5.5⁰C…

Q: The molar enthalpy of vaporization of boron tribromide is 30.5 kJ/mol, and its normal boiling point…

A: Given values-> Enthalpy of vaporization = 30.5kj/mole =30.5×1000j/mole = 30500j/mole T1= 91°C…

Q: How much heat would be required to convert 390 g of solid benzene, C6H6 (s), at 5.5°C into benzene…

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Q: 125 g of dry ice (solid CO2) is dropped into a beaker containing 500g of water at 66°C. The dry ice…

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Q: The heat of fusion of cobalt at its normal melting point of 1495°C is 15.5 kJ/mol, while its heat of…

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Q: What amount of heat (in kJ) is required to convert 10.1 g of an unknown solid (MM = 83.21 g/mol) at…

A: We will write all steps occuring in the change os solid to liquid , then calculate heat required.

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Q: How much energy is required to vaporize 158 g of butane (C 4H 10) at its boiling point, if its ∆H…

A: Formula for energy required vaporized = moles × ΔHVap

Q: What amount of heat (in kJ) is required to convert 16.6 g of an unknown solid (MM = 67.44 g/mol) at…

A: We have to find amount of heat (in kJ) is required to convert 16.6 g of an unknown solid (MM = 67.44…

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Q: Determine the heat flow (in units of kJ) when 49.7 g water at 131.3°C is lowered to 82.6°C? molar…

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Q: 34. The enthalpy of vaporization for N2(1) is 5.56 kJ/mol. How much heat (in J) is required to…

A: Number of moles can be calculated as shown below:

Q: A particular refrigerant cools by evaporating liquefied CCI 2F 2. How many kg of the liquid must be…

A: Given: Mass of water to be frozen = 525 g. Molar heat of fusion of ice = 6.01 KJ/mol. And molar heat…

Q: What amount of heat (in KJ) is required to convert 25.6g of an unknown solid (MM =83.21g/mol) at…

A: Heat will be used in three processes,  1)   rising of temperature of solid till freezing point. 2)…

Q: The vapor pressure, P, of bromine at several temperatures, T, is given in the table. T(K) P(Torr)…

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Q: What amount of heat (in kJ) is required to convert 19.5 g of an unknown solid (MM = 83.21 g/mol) at…

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Q: The molar heats of fusion and sublimation of lead are 4.77 and 182.8 kJ/mol, respectively. Estimate…

A: Given Data: The heat of fusion is 4.77 kJ/mol. The heat of sublimation is 182.8 kJ/mol.

Q: What amount of heat (in kJ) is required to convert 21.4 g of an unknown solid (MM = 67.44 g/mol) at…

A: Mass of Unknown solid = 21.4 g = MMolar mass of Unknown solid = 67.44 g/moleNo of moles of Unknown…

Q: What amount of heat (in kJ) is required to convert 10.1 g of an unknown solid (MM = 67.44 g/mol) at…

A: Given : Initial temperature of solid = -15.4 oC Final temperature of solid = 42.7 oC Mass of solid =…

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A: Here we are required to find the Enthalpy of vaporization .

Q: What amount of heat (in kJ) is required to convert 29.7 g of an unknown solid (MM = 67.44 g/mol) at…

A: Here we are required to find the total amount of heat needed to convert 29.7 g of solid from -15.4°C…

Q: The standard heat of vaporization for water is 40,700J/mol. What is the boiling point of water at a…

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Q: A 389.7 gram sample of an unknown substance (MM = 92.41 g/mol) is heated from -23.1 °C to 51.8 °C.…

A: Mass of unknown sample = M= 389.7 gMolar Mass of Unknown Sample = 92.41 g/moleNo of moles of Unknown…

Q: What amount of heat (in kJ) is required to convert 20.0 g of an unknown solid (MM = 83.21 g/mol) at…

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Q: What amount of heat (in kJ) is required to convert 10.1 g of an unknown liquid (MM = 67.44 g/mol) at…

A: please find the answer attached .

Q: What amount of heat (in kJ) is required to convert 30.0 g of an unknown solid (MM = 67.44 g/mol) at…

A:

Q: What amount of heat (in kJ) is required to convert 19.1 g of an unknown solid (MM = 83.21 g/mol) at…

A: Given data: The specific heat capacity of the solid = 2.39 J/g.oC The specific heat capacity of the…

Q: Formula: C3H6O Melting Point: -94.0°C Boiling Point: 56.0°C Density of liquid: 0.791 g/mL Heat of…

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Q: A 249.3 gram sample of an unknown substance (MM = 92.41 g/mol) is heated from -23.1 °C to 51.8 °C.…

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Q: What amount of heat (in kJ) is required to convert 15.5 g of an unknown solid (MM = 83.21 g/mol) at…

A: Solution - According to the question - Given values - Number of moles = 15.5/83.21 = 0.186 moles…

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Q: What amount of heat (in kJ) is required to convert 26.9 g of an unknown solid (MM = 67.44 g/mol) at…

A: Answer is explained below. Given, Mass of unknown solid = 26.9 g. Molar mass of solid = 67.44 g/mol.…