How much heat is required to boil 68.5 gg of water at its boiling point? Express your answer numerically in kilojoules.

Q: What mass of water can be heated from 10.0 degrees C to 75.0 degrees C using 95.1 kJ of heat?

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Q: Calculate the heat released, in Joules, when cooling a 350.0 g of aluminum bar from 70.0 degrees to…

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Q: Calculate the amount of heat (in calories needed to increase the temperature of 50g of aluminum from…

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

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Q: A 20.0 g mass of ice is heated from 0°C until it completely turns to vapor at 100°C. If you are…

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Q: Calculate the amount of heat in joules needed to increase the temperature of 350 g of water from 20…

A: Specific heat capacity is amount of heat needed to increase the temperature of one gram of substance…

Q: A sample of water at 23.9 °C required an input of 2.68 × 104 J of heat to reach its boiling point,…

A: Required heat is calculated by using below formula,

Q: 500.0 g of water in its liquid phase loses 5,892 J of heat. If it started at a temperature of 25.0…

A: We have given that  The mass of water = 500g  Heat release in liquid phase = 5892J  Initial…

Q: Calculate the energy needed to melt 3.0 g of ice at 0°C, heat it to boiling, boil it, and heat the…

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Q: An ice bag containing 325g of ice at 0 degrees Celsius was used to treat sore muscles. When the bag…

A: When an ice is melted and convert into liquid, some amount of energy is absorbed.And this…

Q: When 50 g of ethanol is heated from T1 below its freezing point to a temperature T2 above its…

A: The amount of heat energy required for raising the temperature from one particular temperature to…

Q: Calculate the change in temperature of 10 kg of water released 232 kJ of heat

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Q: Suggest a reason why the heat required to vaporize 102 g of water is so much higher than the heat…

A: Given information: Mass of water = 102 g Temperature change = 75 ℃

Q: How many kilojoules of heat energy are required to melt 200. g of ice at its freezing point?

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Q: How much heat is required to convert 135 g of water vapor at 120 °C to solid ice at -15 °C? Report…

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Q: Is there a relationship between the final mass of the marshmallow and an increase in temperature of…

A: The relationship between the mass of burnt marshmallow and the change in the temperature of the…

Q: Specific Heats of Substances cal Substance Specific Heat Brick 0.20 Ethanol 0.58 Wood 0.10 Calculate…

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Q: A 7.0 g ice cube is placed into 230 g if water. Calculate the temperature change in the water upon…

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Q: A 19.7724 grams of metal was heated to 100.001∘C  when the metal was placed into 155.00 grams of…

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Q: A 149-g sample of steam at 100 ∘C is emitted from a volcano. It condenses, cools, and falls as snow…

A: The emitted volcano at 1000C is 149 g. The heat of condensation = 2260 J/g =149 g x 2260 J/g= 336740…

Q: Construct the flow chart (diagram) and compute the total heat required to convert 650g of ice at…

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Q: Which of the following combinations would generate the largest amount of heat? 50 g boiling water…

A: The answer to the given question is as follows----- When a hot object attached to a cold object heat…

Q: A pure sample of Substance S is put into an evacuated flask. The flask is then heated steadily and…

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Q: How much heat would need to be removed to cool 197.1 g of water from 25.6°C to -10.7°C?

A: Given, mass of water = 197.1 g  initial temperature, Ti=25.6°C Final temperature , Tf=-10.7°C

Q: Calculate the amount of energy that is released when 450 grams of water cools from 80oC to 45oC.

A: The amount of heat absorbed (or released) by fixed amount of a substance to change its temperature…

Q: If chart B represents the cooling of a 14.0 g of a substance at a constant rate, determine the…

A: The substance is in the liquid phase from C to D. We can find the specific heat of the substance by…

Q: What is the total amount of heat released when 94.0 g water at 80.0 °C cools to form ice at −30.0…

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Q: How much heat is liberated when 50g of water is cooled from 100 ᵒ C to 20 ᵒ C

A: This can be solved as follows

Q: 4. How many kilojoules are required at 0°C to melt an ice cube with a mass of 25 g? 5. How many…

A: 4.) We would use heat of fusion of ice to calculate heat .  5.) First we would Calculate heat…

Q: How many kJ of heat are needed to raise the temperature of 10.0kg of liquid water from 24 6 °C to 46…

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Q: how much heat must be lost to change 35 grams of gaseous water into ice form 155 degrees celsius to…

A: Given- heat be lost to change 35 grams of gaseous water into ice form 155 degrees celsius to -65…

Q: If 1820 J of energy are used to heat 20.0 grams of water at 0.0°C, what will be the final…

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Q: A 788g sample of water at boiling point 100  Celsius is boiled completely. How much energy was…

A: Latent heat of vapourisation  It is defined as physical property of substance to change one mole of…

Q: How much heat is gained by Aluminum when 52.2 g of Al is warmed from 20.3D defrees Celsius to 35.1…

A: Given, mass of Al (m) =52.2 gInitial temperature T1 =20.3°CFinal temperature T2 = 35.1°Cspecific…

Q: how many joules of heat are required to heat 25.0 g of ethyl alcohol from The prevailing room…

A: Consider the given information is as follows; Mass of ethyl alcohol (m) = 25.0 g    Initial…

Q: Calculate the heat change

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Q: Calculate the quantity of heat absorbed by 30.0 g of water when its temperature is raised to 67.9…

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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 heat would be required to raise 499 g of water from 111 °C to 251 °C? (You need to know…

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Q: How much heat is required to convert 24.0 g of ethanol at − 146 ∘C to the vapor phase at 78 ∘C?…

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Q: 3. Suppose you have two slices of cheese. They have the same specific heat, but one is twice the…

A: 3. Given that : We have two slices of cheese, one double the mass of the other, having the same…

Q: The amount pf heat required to raise the temperature of a given amount of substance b by 1 degree…

A: To solve this problem we have to know about the given terms

Q: How much heat is required to change 32.5 grams of liquid water into steam, from 25 degrees C to 115…

A: The conversion of 32.5 grams of water to steam with the change in temperature from 25oC to 115oC.…

Q: A 598g sample of water at boiling point 100  Celsius is boiled completely. How much energy was…

A: Given: Mass of the sample = 598g=0.598Kg Boiling point=100°C We know that Heat of vaporization of…

Q: Calculate the amount of heat needed to boil 106. g of methanol (CH,OH), beginning from a temperature…

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

Q: A 30.37 g sample of a substance is initially at 28.3 degrees Celsius. After absorbing 2235 J of…

A: The amount of heat (Q) gained or lost by a substance (with mass m) as its temperature changes (ΔT)…

Q: What is the mass of a sample of liquid water that took 35.4 kJ of heat to apply to it to raise its…

A: Answer: option b. 257 g if the mass of a sample of liquid water.

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: How much heat is absorbed by a 275-gram sample of water as it is heated from 25oC to its boiling…

A: The heat absorbed by a substance is dependent upon the nature of the material (specific heat…

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…