Given that the heat of fusion of water is -6.02 kJ>mol, the heatcapacity of H2O(l) is 75.2 J>mol # K, and the heat capacity of H2O(s)is 37.7 J>mol # K, calculate the heat of fusion of water at -10°C.

Q: Q. 2. How does temperature influence the surface tension and viscosity of ionic liquids and their…

A: Increase in temperature will cause decrease of intermolecular attraction forces and decrease the…

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…

A:

Q: What amount of heat (in kJ) is required to convert 16.1 g of an unknown liquid (MM = 83.21 g/mol) at…

A: Answer:- This question is answered by using the simple concept of calculation of heat required using…

Q: ts) The heat of fusion of water is 6.01 kJ/mol. The heat capacity of liquid water is 75.3 J/mol · K.…

A:

Q: A refrigerator cools by evaporating liquefied dichlorodifluoromethane, CCl2F2. How many kilograms of…

A: The mass of water is 525 g and the molar mass of water is 18.02 g/mol. Using the relation between…

Q: How much heat is released when 450 grams of water at 22.3 °C freeze? The heat of fusion of water is…

A: The amount of heat released when 450 grams of water is calculated as,

Q: pXylene, CaH1o, has an enthalpy of fusion of 158.3 Jg and its melting point temperature is 13.2 C.…

A: The molecular formula for p-Xylene is C6H4(CH3)2 or C8H10 The enthalpy of fusion is 158.3 J g-1

Q: 2. Pentane C5H12 boils at 36°C at 1 atmosphere pressure. What is the molar heat of vaporization…

A: given, P1 = 1 atm , T1 = ( 273 + 36)K = 309K P2 = 505 torr = (505 x 0.00132) atm = 0.67 atm , T2…

Q: 5. A 1.111 mole of ice at -15°C is mixed with 100 g of water at 90 C. Calculate the final…

A: The given information is: Moles of ice = 1.111 mol Temperature of ice = -15°C = (273-15) = 258 K…

Q: What is the enthalpy change in units of kJ for converting 27.9 grams of water vapor at 112.1 Celsius…

A: Molar mass of water = 18 g/mol Calculation of no. of mol of water:

Q: What amount of heat (in kJ) is required to convert 13.3 g of an unknown liquid (MM = 83.21 g/mol) at…

A:

Q: An organic solvent with a molar mass of 56.45 g/mol have a normal boiling point of 45.0 °C and a…

A: According to the question we have, Mass of liquid is given by = 24.0 g Specific heat capacity of the…

Q: When 10 mL of water is heated from room temperature of 25oC to super steam at 120oC, how much heat…

A:

Q: 12. Patients with a high body temperature are often given "alcohol baths". The heat of vaporization…

A: Heat of vaporization means the heat required to covert a fixed amount of liquid to gas.

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

A: Given : Mass of benzene = 390 g Initial temperature of benzene = 5.5 oC And final temperature of…

Q: How many grams of ethanol, C,H,OH, can be boiled with 473.1 kJ of heat energy? The molar heat of…

A: Given: Heat energy available, E=473.2kJ Molar heat of vaporization of ethanol, Cv = 38.6kJ/mol   To…

Q: What is the final temperature when 10 g of a sample of water is heated with input of 20 kJ starting…

A: The given heat (q) is calculated in the units of J as follows:

Q: What amount of heat (in kJ) is required to convert 10.7 g of an unknown liquid (MM = 83.21 g/mol) at…

A:

Q: How much heat energy is required to convert 84.0 g (1.82 mol) of liquid ethanol (C2H5OH) at 78.4 °C…

A: Heat energy can be calculated by following formula:  q = m×s×(T2 - T1) Where m is the mass of the…

Q: How much heat is given off when 175g of water freezes at 0℃? Hf = 334 J/g ; Hv = 2260 J/g

A:

Q: A 523.70 g sample of acetone gas has a temperature of 56.0°C. How much heat is involved in…

A: Data given: Formula: C3H6O Melting Point: -94.0°C Boiling Point: 56.0°C Density of liquid: 0.791…

Q: What amount of heat (in kJ) is required to convert 14.2 g of an unknown liquid (MM = 83.21 g/mol) at…

A: We have to calculate the amount of heat required.

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: We have to calculate the amount of heat needed.

Q: What amount of heat (in kJ) is required to convert 12.2 g of an unknown liquid (MM = 83.21 g/mol) at…

A: We have to calculate the total heat required.

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…

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…

A: The heat energy formula shows relation of mass specific heat capacity and change in temperature. The…

Q: How long would it take for 1.50 mol of water at 100.0 ∘C to be converted completely into steam if…

A: By calculating total heat required to convert into steam , we can calculate time.

Q: How many grams of ethanol, C2H5OH,C2⁢H5OH, can be boiled with 369.4 kJ369.4 kJ of heat energy? The…

A: Given: Heat energy = 369.4 kJ Molar heat of vaporization of ethanol = 38.6 kJ/mol Known: Molar mass…

Q: A particular refrigerator cools by evaporating liquefied dichlorodifluoromethane, CCl,F. How many…

A: since the energy released by the freezing of ice should be used in the evaporation of…

Q: The freezing point of ammonia (NH3,17.04 g/mol) is -77.73°C. In an experiment, 367.2 grams of solids…

A: Given,Mass of water = 250gSpecific heat of ammonia = 4.742 J/go C

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: Dioxane, C4H8O2, has an enthalpy of fusion of 145.8 J g–1 and its melting point temperature is 11.0…

A: Given,Enthalpy of fusion of dioxane = 145.8J/g.Melting point temperature = 11.00C.Mass of dioxane =…

Q: What amount of heat (in kJ) is required to convert 10.7 g of an unknown liquid (MM = 83.21 g/mol) at…

A:

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: 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: From the data below, calculate the total heat (in J) needed toconvert 0.333 mol of gaseous ethanol…

A: We will use the formula,  Where Q= Heat change m= mass in grams = Change in Temperature c= specific…

Q: What amount of heat (in kJ) is required to convert 16.5 g of an unknown liquid (MM = 83.21 g/mol) at…

A:

Q: Calculate the heat released by cooling 55.0 g H2O from 107∘C to 50∘C. Given: c of water = 4.18J/g…

A: Given mass of H2O = 55 gms Heat released to decrease the temperature from 107°C to 50°C,…

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

A: Given Molecular weight of solid = 83.21g/mol Mass = 20g specific heat capacity of solid = 2.39…

Q: How much heat energy is required to convert 84.0 g (1.82 mol) of liquid ethanol (C2H5OH) at 50.0 °C…

A: Given: Specific heat capacity of ethanol = 2.45 J/g⋅ oC Mass of ethanol = 84.0 g moles of ethanol =…

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 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: 2. Assume the total heat of vaporization (per gram) of water can be usec to supply the energy needed…

A: Literature value for the enthalpy of vaporization of water = 2260 J/g

Q: A 459.3 gram sample of an unknown substance (MM = 92.41 g/mol) is heated from -23.1 °C to 51.8 °C.…

A:

Q: How much heat (in kJ) is required to convert 423 g of liquid H2O at 24.8°C into steam at 147°C?…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

Q: How many grams of ethanol, C2H5OH, can be boiled with 790.4 kJ of heat energy? The molar heat of…

A: Formula  q = m* Hvap where q = heat energy  m= mass , Hvap = heat of vaporisation

Q: Calculate the heat required to convert 25.0 g solid ethanol at -135.0 C to liquid at 72.0 C.…

A:

Q: 192,690 J of heat is requred to raise the temperature of 5.0 moles of liquid methanol, CH3OH, from…

A: The sum of energy that is applied to the solvent in order to turn a quantity of that material into a…