The heat capacity of liquid ethanol is 2.45 J/g-deg C. How much heat do you need to add to 100 g of ethanol to heat it from room temperature, 25 deg to its boiling point at 78,5 deg C?

Q: What is specific heat ? O The study of heat changes that accompany chemical reactions and phase…

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Q: What quantity of energy, in joules, is evolved when 1.00 mol of liquid ammonia cools from -33.3…

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Q: If 14.8 kJ of heat is given off when 1.6 g of HCl condenses from vapor to liquid, what is ΔHcond for…

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Q: 1. Ethanol has a heat of vaporization of +841 J/g when it transitions from liquid to gas What is the…

A: Heat of vaporization is defined as the energy change when one mole of a liquid is converted to one…

Q: How much heat must be absorbed by a 15.0-g sample of water to raise its temperature from 25.0 °C to…

A: The heat absorbed by the given system is determined by using following formula.

Q: How many joules of heat energy are required to heat 25.0 grams ethyl alcohol from prevailing room…

A: Given : Mass of ethyl alcohol = 25.0 g Initial temperature of ethyl alcohol = 22.5 oC Final…

Q: The specific heat capacity of liquid water is 4.18 J/g-K. How many joules of heat are needed to…

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Q: 11 What is the specific heat of a metal (260 g) that is heated from 25°C to 45°C when 2400 J of…

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Q: A 59.55 g sample of a substance is initially at 25.6 °C. After absorbing 1881 J of heat, the…

A: Given:             Q = 1881J            Mass (m) = 59.55g = 0.0595Kg Temperature(T1) = 25.6°C = 25.6…

Q: 2. When 789 g of liquid ammonia is cooled from 82.7°C to 25.0°C it loses 214 kJ of heat. What is the…

A: Given: The mass of liquid ammonia = 789 g The initial temperature of liquid ammonia = 82.7 oC The…

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: Given :- Boiling point of Benzene=80.1°C, Specific heat capacity of Benzene (l) = 1.8J/(g °C)…

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: How much heat (in J) is evolved or absorbed when a 36.2 g sample of aluminum (specific heat = 0.900…

A: In this question gven data , m=36.2gheat capacity=0.900J/(g K)∆T =T2 -T1T2=87.5°C=273+87.5=360.5KT1…

Q: How much heat, in kJ, will be absorbed by a 25.0 g piece of aluminum (specific heat = 0.930 J/g.°C)…

A: Mass of aluminium = 25.0 g Specific heat of the system(C) = 0.93 J/g 0C Initial temperature = 25 0C…

Q: How much heat (in J) is evolved or absorbed when a 35.1 g sample of ethanol (specific heat = 2.46…

A: specific heat capacity is the amount of heat required to raise the temperature of 1 Kg of a…

Q: 1.82 Benzene (C,H6) is an organic liquid that freezes at 5.5 °C (see Figure 11.15) to form…

A: Given, Temperature = 5.5°C Mass = 15.5 g Enthalpy Change of fusion = 9.95 kJ mol-1

Q: What quantity of energy, in joules, is required to raise the temperature of 460. g of tin from room…

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Q: How much heat is released when 60.5 grams of water at 60.0 degrees C changes to water at 12.5…

A: The question is about calculating the amount of heat released when 60.5 grams of Water at 60oC…

Q: How much heat is required to raise the temperature of 789g of liquid ammonia, form 25°C to 82.2°C?

A: Given: The mass of liquid ammonia is 789 g. The initial temperature is 25oC. The final temperature…

Q: 7.  How much heat, in joules and in calories, is required to heat a 28.4-g (1-oz) ice cube from…

A: A form energy is heat which is also known as thermal energy. Any particular substance's heat…

Q: A 337.2 g sample of acetone gas with a temperature of 56.0°C is converted to a liquid with a…

A: Answer :- 182.1 kJ…

Q: How much energy is needed to raise the temperature of 80.0 g of water from 22.0 oC to 76.0 oC?  The…

A: The energy required for increasing the temperature of a liquid is given by  Q = mCΔT where Q =…

Q: Determine the amount of heat energy in joules required to raise the temperature of 7.40g of water…

A: Given:  Mass of water = 7.40 g  Initial temperature = 29°C Final temperature = 46°C Standard data:…

Q: How much heat is gained when the temperature of 288 g of liquid water is raised rom 100 °C to 125…

A: We have to tell which option is correct from given choices of options by finding specific heat…

Q: The specific heat capacity of gold is 0.13 J/g°C. How many calories of energya needed to warm 0.513…

A: Q= cm∆T Q = energy given m is mass of substance ∆T is change in temperature. c is specific heat

Q: How many joules of energy would be required to raise the temperature of 3.2 grams of mercury  4.2ºC?…

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Q: w many grams of liquid CF2CI2 are needed to cool 126 g of water from 44.1 to 26.3 °C? The specific…

A: CF2Cl2  chemical name is dichlorodifluoromethane   , it is colourless gas and  it is usually called…

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

A: The amount of heat lost by the metal is equal to the amount of heat gained by the water. Formula…

Q: A 28.79 g sample of a substance is initially at 21.2 ∘C. After absorbing 1817 J of heat, the…

A: Introduction The specific heat of any particular metal basically denotes the heat quantity required…

Q: When steam condenses to liquid water,  2.26 kJ of heat is released per gram. The heat from 168g of…

A: Given data,Heat released by steam per kg=2.26kJ/gMass of steam=168gMass of…

Q: The specific heat capacity of liquid mercury is 0.14 J/gK. How many joules of heat are needed to…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kgsubstance…

Q: How much energy must be removed from 12.3 grams of solid aluminum in order to decrease the…

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Q: Calculate the mass of liquid water (in grams) at 100 °C that can be converted to vapor when 2400 J…

A: Calculate the number of moles of liquid water which can be converted into vapor form on absorption…

Q: If 14.8 kJ of heat is given off when 1.6 g of HCl condenses from vapor to liquid, what is ∆Hcond for…

A: Given: Heat= 14.8 kJ Mass of HCl= 1.6g To find: ∆Hcond for the substance

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

A: Heat gained by ice = Heat loss by cola. Now, Mass of cola (m) = 340. mL x 1.00 g/mL    = 340. g.

Q: If the temperature of a 500.0 -g sample of liquid water is raised 2.00 celsius, how much heat is…

A: We have to Given :                             m = 500.0 g                             Raised in…

Q: What is the new temperature of the sample?

A: q = mc∆T  q is the amount of heat energy absorbed m is the mass of substance  c is the specific heat…

Q: The specific heat capacity of water is 4.184 J/(g x degrees C). What temperature rise would you…

A: The specific heat of water is 4.184 J/g  C. The weight of water is 575 g. the value of q is 945 kJ.…

Q: The specific heat of a certain type of metal is 0.149 J/g°C. What is the final temperature of 367 J…

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Q: The specific heat for iron is 0.444 J/g oC. How much heat energy does it take to cool 107.1 g of…

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Q: How much heat will be absorbed by a 50.3 g piece of aluminum (specific heat = 0.930 J/g•°C) as it…

A: Mass of Aluminum = 50.3 g Specific mass = 0.930 J/g◦C

Q: Ethanol, C2H5OH, boils at 78.29°C. How much energy, in joules, is required to raise the temperature…

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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: The specific heat of platinum is 0.133 J/g C. How much heat (q) is released when a 10.0 g piece of…

A: Mass of Pt piece =M = 10 gInitial tempearture = Ti =100 °CFinal Temperature = Tf = 50 °C∆T = Tf  -…

Q: How much heat is absorbed by a 1.50-g water sample if it is heated from 25.0°C to 38.0°C? The…

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Q: How hot does a thanksgiving dinner roll need to be to warm up and melt a 4.0 g 'pat' of butter?…

A: The heat lost by the rolls is equal to that gained by butter.

Q: How much heat is required to convert solid ice with a mass of 685 g at a temperature of -11.0 °C to…

A: Given data:

Q: How much heat energy is needed to raise the temperature of 10.00 grams of solid aluminum (c = 0.90…

A: Heat energy can be calculated as: Q = mc∆T Where, Q = heat m = mass c = Specific heat ∆T = Change in…

Q: compare the amount of heat given off by 1.40 mol of liquid water when it cools from 100.0c to 30c to…

A: Heat capacity of liquid water - 4.184 J/(g oC) Heat capacity of steam - 2.03 J/(g oC) Amount of…