The heat of vaporization for ethanol is 0.826 kJ/g. Calculate the heat energy in joules required to boil 62.75g of ethanol heat energy: in joules

Q: What is the heat of vaporization for a liquid and why is it useful?

A: The vaporization is the transition process where liquid converted to vapor phase. The heat of…

Q: Calculate the heat change in kilocalories for vaporization of 49 g of water at 100° C.

A: We know:

Q: Some ice cubes at 0°C of the total mass of 605 g are placed in a microwave oven and subjected to 750…

A: With the help of the specific heat capacity of a substance,  mass and temperature change conversion…

Q: How much heat would need to be removed to cool 50.3 g of water from 25.6°C to -10.7°C? Csolid =…

A: Given, mass of water =50.3 gcools from 25.6 °C to -10.7 °Cwe are asked to calculate the amount of…

Q: How much heat would need to be removed to cool 29.5 g of water from 25.6°C to -10.7°C? Csolid =…

A: We have to predict the amount of heat removed from the water to have given temperature change.

Q: A solid being heated stays at a constant temperatureuntil it is completely melted. What happens to…

A: During melting of solid, heat energy is converted into latent heat required only and temperature of…

Q: How much heat would need to be removed to cool 50.3 g of water from 25.6°C to -10.7°C? Csolid =…

A: Mass of water = 50.3 g In the conversion of water from 25.6 ◦C to – 10.7 ◦C there is following steps…

Q: How many joules of heat are absorbed then ice is heated from -15.6 °C to -1°C, the specific heat of…

A: Given Mass = 15.1 g Specific heat = 2.10 J/g-°C Temperature change = -15.6°C to -1°C

Q: Explain how heat energy affects a substance. Describe how the particles change as the system is…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: Calculate the heat change in calories for melting 65 g of ice at 0 ∘C

A: When ice melts, the physicals state changes from solid to liquid. The energy or the heat required…

Q: How about for this one? Benzene, C6H6, boils at 80.1°C. How much energy, in Joules, is required to…

A: Here we have to determine the heat3 energy required to convert 54.68 g benzene ( s) at -30°C to…

Q: The specific heat of ice is 2.06 J/g°C.  Calculate how much energy is needed to heat a 52.0 gram…

A: The amount of heat energy required to raise the temperature of a substance can be calculated using…

Q: 4. What is the minimum amount of ice at 0°C that must be added to the contents of a can of diet cola…

A: Heat released by diet cola = heat absorbed by ice  Heat absorbed by ice = heat required to transform…

Q: The enthalpy for boiling water is 40.7 kJ/mol. How much heat (in kJ) is required to boil 304.1 g of

A: The question is based on the concept of chemical thermodynamics. we have to calculate how much heat…

Q: How much energy is required to vaporize 188 g of butane (C4H10) at its boiling point, if its ΔHvap…

A: Enthalpy of evaporation is defined as the energy required to change an amount of substance from…

Q: The energy required to melt 1.00 g of ice at 0 °C is 333 J. If one ice cube has a mass of 63.5 g and…

A: The term melting has been defined as a physical process which results ibn the transition of the…

Q: How much heat would need to be removed to cool 215.5 g of water from 25.6°C to -10.7°C? Csold =…

A: Mass of water = Mw = 215.5 gInitial Temperature = Ti = 25.6 °CFinal Temperature = Tf = -10.7°CCsolid…

Q: An arctic explorer is trying to create drinking water by converting an ice ball into liquid. The ice…

A: Given that : The mass of ice = 225 g The initial temperature of ice = -23°C The final temperature of…

Q: How much heat energy is lost when 8.00 moles of solid copper at an initial temperature of 300°C is…

A: The molar mass of copper is:- 64.546g/mol So the mass of 8moles of copper will be 516.368g.

Q: 360.0g of ice at 0°C was melted, heated to 100°C and converted to water vapor at 100°C. a) How much…

A:

Q: 115.4 g of water, H2O, (molar mass is 18.02 g/mol) was heated from -11.54 °C to 135.72 °C. The…

A: The specific heat of a substance is the amount of heat required to raise the temperature of a…

Q: How much energy is needed to cause 5.0x104 g of ice to heat from -40 C to its melting point and then…

A: Matter around us exist in mainly three states, that is solid, liquid and gas. The matters change…

Q: Calculate the heat change in calories for melting 95 g of ice at 0 ∘C.

A: Heat absorbed to convert solid substance to liquid form is called heat of fusion (dHfus).

Q: How much energy (in kJ) is needed to heat 5.28 g of ice from -18oC to 30.0oC?  The heat of fusion of…

A: Given : Mass of ice = 5.28 g Initial temperature of ice = -18.0 oC Final temperature of water = 30.0…

Q: Calculate the amount of heat needed to raise the temperature of 2.34moles of pure liquid ethanol…

A:

Q: Find ΔH, ΔE, q, and w for the freezing of water at -10.0 °C. The specific heat capacity of ice is…

A: Given:  Specific heat of ice = 2.04 J/goc Heat of fusion = -332 J/g

Q: A 36.62 g sample of a substance is initially at 24.8 °C. After absorbing 1921 Jof heat, the…

A:

Q: For a 7.48 gram sample of water at 0.63°C , what is the minimum amount of heat (in kJ) needed to…

A:

Q: How many calories are required to heat the substance below?   71.4 g of ice from -77.0oC to…

A: Mass = 71.4 g  Initial temperature (T1) = -77.0 °C   Final temperature (T2) = -5.00 °C  Heat…

Q: 6.75 When 1 mol of CS,(I) forms from its elements at 1 atm and 25°C, 89.7 kJ of heat is absorbed,…

A: The enthalpy change is a state function and the Hess law states that the change of enthalpy in a…

Q: Ethanol, CHsOH, boils at 78.29°C. How much heat energy (in kilojoules) is required to heat 1.40 kg…

A: A numerical problem based on heat energy released, which is to be accomplished.

Q: Calculate the amount of heat required to raise the tempature of 20.0g of water from -21.0C to 16 C

A: Given that,  Amount of water m = 20.0 g Change in temperature ∆T= 16°C  -  (-21°C)      = 37 °C Heat…

Q: ) How much energy is required to heat a 60.5 gram sample of ice from -35.0°C to steam at 115°C?

A: This question can be solved by simply measuring the heat change in each transition in the given…

Q: Calculate the heat change

A:

Q: Calculate the joules released when 175 g of the steam condenses at 100 ∘C and the liquid cools to…

A:

Q: How many kilojoules of a heat energy are going to be required to heat a 200. g block of ice from -10…

A: Given that,  Weight of ice block m = 200 g Change in temperature ∆T  = 0°C  - (-10°C) = 10°C Heat…

Q: How much energy is released when 75.3 g of water vapor at 115 °C condense and cool to liquid at 25.0…

A: Given that : Mass of water (m) = 75.3 g Initial temperature = 115°C Final temperature = 25.0 °C The…

Q: How much heat will it take to raise the temperature of 10 g of ice from −30°C to −20°C?   The…

A:

Q: Melt water mass Hot water temperature change °C Melt water temperature change °C Heat lost by hot…

A: We need to calculate the enthalpy of fusion using the given experimental data.

Q: Determine the amount of heat, in kJ, required to heat 19 g of solid Ca at 125 C to 851C (still…

A: Given; mass, temperatures

Q: What's the heat change in Joules for vaporization of 9.00g of water at 100 degrees celcius

A: Heat of vaporization of water is 2256 J/g.Thus, when 1 mol of water is vaporised, 2256J/g heat is…

Q: How much heat (in kJ) would need to be removed to cool 113.1 g of water from 25.60°C to -10.70°C?…

A: The intermediate steps to cool water from 25.60°C t -10.70°C is represented as:H2O (l, 25.60°C)→H2O…

Q: How much energy is required to vaporize 250 g of water at its boiling point?

A: The energy required for the vaporization of water can be calculated from the standard value of the…

Q: Calculate the heat change in joules for vaporization of 9.00 g of water at 100 ∘C.

A: Heat of vaporisation of water is 2256 J/g/0C.Thus, when 1 mol ( 18 g) of water is vaporised, 2256…

Q: A 52.76 g sample of a substance is initially at 28.4 °C. After absorbing 1985 J of heat, the…

A: In given question use formula  q = mc∆T  Given : q = 1985 J  m = 52.76 g  ∆T = 133.4 - 28.4 = 105 °C…

Q: Calculate the heat change in kilojoules for freezing 30.0 g of water at 0 ∘C.

A: Heat change in freezing is equal and opposite of heat change in melting or heat of fusion (dHfus).…

Q: amount of heat released

A:

Q: Find ∆H, ∆E, q, and w for the freezing of water at -10.0°C. The specific heat capacity of ice is…

A: Given:  Specific heat of ice = 2.04 J/goc Heat of fusion = -332 J/g Determination of delta H: The…

Q: The melting point of calcium is 851 °C, its solid-state specific heat (Csolid) is 0.632 J/g°C, and…

A: a) Since at its melting point, the solid can be directly melted  hence the heat required will be  Q…