A pressure cooker (InstaPot) works by increasing the temperature that water in food or cooking food boils at.  If water is placed in a pressure cooker and the internal pressure rises to 3.50 atm, what will the boiling point of the water  in the cooker be in oC ? The  ΔHvap  for water is 40.79 kJ/mol.

Q: If 1.10 g of steam at 100.0  C condenses into 38.5 g of water,initially at 27.0  C, in an insulated…

A: Mass of steam = 1.10 g Initial temperature of steam = 100o C Latent heat of vaporisation = 2260 J/g…

Q: A 125.3 gram sample of an unknown substance (MM = 189.50 g/mol) is cooled from 233.0 °C to 147.6 °C.…

A: Concept - In the question, because the substance is getting cooled, there will be release in the…

Q: Benzene (C6H6) is an organic compound that boils at 80.1°C. If 100.0 grams of liquid benzene at…

A: The heat of Vapourisation is the amount of energy that must be added to the liquid substance to…

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: 1. How many grams of a metal with a specific heat of 0.103 J/gC when transferred from boiling water…

A: At equilibrium,  Heat lost by the metal = Heat gained by water

Q: uu aroup Messages Courses Help Logout Course Contents. Homework set #5 Converting ice to water How…

A: First of all , we need to calculate latent heat of fusion for 0.795 kg of ice. And then the heat…

Q: Relate the properties of water in the following: a. Water as a solvent in plant nutrition b. High…

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Q: How much energy is required to vaporize 125 g of benzene, C6H6, at its boiling point, 80.1 °C? (The…

A: The heat of vaporization is the energy required to convert a substance at its boiling point to…

Q: Incorrect. Steam can cause more severe burns than water, even if both are at the same temperature.…

A: Steam cause more burn because of its higher energy content.

Q: How much energy is required to heat 1.50 moles of dichloromethane (CH3Cl2) from 30 °C to 60 °C? The…

A: The question is based on the concept of Hess law. It states that net enthalpy change for the…

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

A: Given: Mass of unknown liquid = 10.1 g Initial Temperature =19.2 °C  Final Temperature = 93.5 °C…

Q: 4. You have a beaker of water at 25 C, that has a mass of 145.5g. How much energy is needed to…

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Q: Isopropanol (C3H7OH, aka ‘rubbing alcohol’) has a heat of vaporization of 732.2 J/g. How many Jare…

A: Energy can be calculated as: Q = mHVap

Q: Q3: The enthalpy of vaporization for water is: AHvop = + 44.0 kJ/mole Calculate the AH for…

A:

Q: How much energy in kilojoules is released when 25.0 g of ethanol vapor at 93.0°C is cooled to…

A: 43) A mole of substance weighs its molar mass and contain avagadro number of particle  Let the mass…

Q: Q3: The enthalpy of vaporization for water is: H,Om>H,0) AHop = + 44.0 kJ/mole Calculate the AH for…

A: The vaporisation reaction given is, => H2O (l) ------> H2O (g)                    ΔHvap =…

Q: how many moles of water are present if 53.3 kJ of heat are required to melt a sample of ice at 0°C?…

A: • The melting of ice can be represented as,                  H2O(s) → H2O(l)    • The values…

Q: Question 5 of 12 Assuming no phase transition, what is the change in temperature (°C) if 310.0 mL…

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Q: Ethyl chloride 1C2H5Cl2 boils at 12 °C. When liquid C2H5Clunder pressure is sprayed on a…

A: (a) The air in the room supply heat to the liquid ethyl chloride to turn into vapor. So, the…

Q: I Review | Constants Periodic Table Part A The density of liquid oxygen at its boiling point is 1.14…

A: Given data: Density of liquid oxygen = 1.14 kg/L Volume of liquid oxygen = 4 L Heat of…

Q: 236 grams of water at 11°C is subjected to a big fire. Calculate the heat in kJ, absorbed by H20…

A: Given that: mass of water = 236 g T1 = 11 oC T2 = 173 oC ∆Hvap = 2260 J g-1 Specific heat of water…

Q: 22) Evaporation of sweat requires energy and thus take excess heat away from the body. Some of the…

A: Two questions based on chemical thermodynamics, which are to be accomplished.

Q: In their Memoir on Heat, published in 1783, Lavoisier andLaplace reported, “The heat necessary to…

A: Given, The specific heat capacity of water is  4.18 J. Initial temperature 0°C. The final…

Q: 3. How much heat is absorbed when 11.2 grams of graphite is heated from 22.0 °C to 55.0°C if the…

A: heat absorbed, q = ms∆T                             = 11.2 g x 0.170 cal/goC x ( 55.0 - 22.0 ) oC…

Q: The heat of fusion for a material can be found by AHfus = m x Cp x AT where AHfus is the heat of…

A: Given: Mass of substance X, m = 10.00 g Specific heat, Cp = 4.18 J/g.oC And ΔT = 10.00 oC

Q: An ice cube at 0.00 °C with a mass of 8.64g is placed into 85.0g of water at 45°C. If no heat is…

A:

Q: Under normal atmospheric pressure, nitrogen boils (and condenses) at -196oC. When 7.7 g of nitrogen…

A: Nitrogen gas is at temperature of -196°C and it is put in dewar flask at -260°C due to which…

Q: • (8)Substance Z has the following properties: C(s) = 2.00 J/g*°C, C(1) = 2.90 J/g*°C, C(g) = 1.80…

A: C(s) = 2.00J/g0C, C(l) = 2.90J/g0C, C(g) = 1.80 J/g0C, ∆Hfus = 267 J/g melting point = -160C,…

Q: Chlorofluorocarbons (CFCs) such as CF2Cl2 are refrigerated whose use has been phased out because of…

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Q: Under normal atmospheric pressure, nitrogen boils (and condenses) at - 196oC. When 7.7 g of nitrogen…

A: The Boiling point of nitrogen = -196°CMass of nitrogen = 7.7 gThe Initial temperature of nitrogen…

Q: The heat content of 93 g of water at 100°C cooling to 37°C is The heat released when 93 g of water…

A:

Q: How much energy in kilojoules is released when 28.6 g of ethanol vapor at 82.0 ∘C is cooled to -16.0…

A:

Q: Under normal atmospheric pressure, nitrogen boils (and condenses) at -196oC. When 7.7 g of nitrogen…

A:

Q: A unknown metal is thought to be gold. When 2.8 J of heat are added to 5.6g of the metal its…

A: Heat given to the metal, Q =2.8 J Mass of metal taken, m =5.6 g Increase in temperature, ∆T = 1.72˚C…

Q: 6 .If 2.1g of 100.0C steam begins to condense on a container of liquid water at 25.0C and they…

A: Given : mass of steam = 2.1 gram and final temperature of the container = 46.7°C. To find : mass of…

Q: Calculate the heat change, in kilojoules, when 72.3 g of water in the form of steam are cooled from…

A: The mass of water is 72.3g.Molar mass of water is 18.01528g/mol.

Q: A 413.1 gram sample of an unknown substance (MM = 189.50 g/mol) is cooled from 233.0 °C to 147.6 °C.…

A: Given,mass of sample =413.1 gMolar mass of sample = 189.50  g/molTemperature changed = 233.0°C to…

Q: The heat of fusion for a material can be found by AHfus = m x Cp x AT where AHfus is the heat of…

A:

Q: How many joules of energy are needed to change 125.00 g of water from 15.0°C to steam at 100.0°C?

A:

Q: Calculate the mass of ice required to cool 181 mL of beverage from 24.6 °C to 0.0 °C. Assume a…

A: First find the heat lost (q) by the beverage. Then using the obtained “q” value and given enthalpy…

Q: Two 20.0 g ice cubes at −15.0 ∘C−15.0⁢ ∘C are placed into 285 g285 g of water at 25.0 ∘C.25.0⁢ ∘C.…

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Q: 7. How much heat is gained when the temperature of 288 g of liquid water is raised by 25 °C from…

A: Here we are required to find the amount of heat required for raising the temperature by 25°C for…

Q: 6. A mass of 100 g of a liquid at 25 C is heated to raise its temperature to 50.0 "C. The thermal…

A: Here we are required to find the specific heat of the liquid

Q: 15. In an experiment, 10.0 g of ice at -20°C is converted into steam with a temperature of 110°C.…

A: In the given process the 10.0 g of ice at -20oC is converted into steam at 110oC.

Q: ?

A:

Q: Please answer part B

A: Consider the mass of ice as m. The heat required to convert the ice from -5 ̊C to 0̊ C is calculated…

Q: Benzene has a boiling point of 80.1 °C, and a specific heat capacity of 1.8 J/g °C in the liquid…

A: The heat released in the cooling of any substance in the same phase is given by the following…

Q: A 154.1 gram sample of an unknown substance (MM = 189.50 g/mol) is cooled from 233.0 °C to 147.6 °C.…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: The specific heat capacity of ice is 2.032 J>g °C. If the initial temperature of a 1.00 square…

A: GIVEN: Area of surface =1 m2 Heat capacity of ice(C) =  2.032 J/g °C=2.032*103 J/kg °C The enthalpy…