How much heat is required to change 265.4 g of water at 70.3°C to steam at 100.0°C? kcal

Q: A compound with a specific heat of 1.26 is at 20.6 degrees C. When 686.8 J of heat are applied to…

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

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Q: How much energy is required to raise the temperature of 10.8 grams of solid chromium from 21.5…

A: According to thermodynamics: q=mc∆T                  . . . (1) Here, m is the mass = 10.8 g c is the…

Q: Water has a heat of fusion  at 80.0 cal per gram. If I have 4.14 g of ice at its melting point how…

A: Heat of fusion is 80 cal/g. We have 4.14 g of ice at 0°C. We have to calculate the heat required to…

Q: A student boils 9.43 grams of an unknown substance into vapor. If completely vaporizing the…

A: Heat of Vaporisation :- Energy required to make vapor of a fixed amount of liquid to its vapor.

Q: Calculate the amount of heat, in calories, that must be added to warm 62.9 g of wood from 20.8 °C to…

A: The amount of heat energy needed to rise the temperature of 62.9 grams of wood from 20.8 oC to 46.1…

Q: Water's heat of fusion is 80. cal/g and its specific heat is 1.0 * (cal)/(gC) Some velomobile seats…

A: Given : Mass of ice i.e frozen water = 1500 g Initial temperature of ice = 0.0 oC Final temperature…

Q: how much heat is required to heat 38 g of steam form 115 C to 120 C?

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

Q: Assuming that Coca-Cola has the same specific heat as water [4.18 J/(g⋅∘C)J/(g⋅∘C)], calculate the…

A: given, specific heat (c) = 4.18 J/(gm.°C) mass of the substance(m) = 350 gm initial temperature=…

Q: The specific heat of silver is 0.24 J g°C . How many joules of energy are needed to warm 4.37 g of…

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Q: how many grams of water  would require 2.20 x 104 calories of heat to raise its temperature from…

A: Using formula for specific heat we have solved this problem.

Q: How many joules of energy are needed to change 365.00 g of water from -65.0°C to liquid water at…

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Q: If substance X has a higher specific heat value, how will the temperature of substance X compare to…

A: Given, The substance X has higher specific heat than…

Q: The specific heat of nickel is 0.444 J/g 0C. If 50 J of heat is added to 32.3 g sample of nickel at…

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Q: A 34.30 g sample of solid lead is initially at 314.00°C. If the sample is heated at constant…

A: Heat flow from high temperature to low temperature. Use formula q= mc(T2-T1)

Q: Liquid water at 50°C is heated to steam at 150°C. Which piece of information is NOT required to…

A: Specific heat is defined as the heat required to increase the temperature of unit mass of substance…

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

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Q: How many joules of energy are needed to change 65.00 g of water from -38.0°C to steam at 115.0°C?

A: Given that : Mass of water (m) = 65 g Initial temperature = -38.0°C Final temperature = 115.0°C The…

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

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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: How many calories are released when 10.0 grams of steam condenses?

A: I am assuming that the steam condenses from the boiling point to the melting point. Thus, the steam…

Q: The heat of fusion for water is 80. Cal/g. How many calories of heat are released when 20.0 g of…

A: Given: Mass of water = 20 g The heat of fusion for water = 80 cal/g

Q: The heat of fusion for water is 80 calories / Gram in the heat of vaporization for water is 540…

A: Heat of fusion is the amount of energy which is required to convert ice into the water at the same…

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: A 31.72 g31.72 g sample of a substance is initially at 21.0 °C.21.0 °C. After absorbing 1895 J1895 J…

A: The amount of heat energy required is related to specific heat capacity as,…

Q: Calculate the heat change in calories for freezing 45 gg of water at 0 ∘C∘C.

A: Heat change in freezing of a substance is equal and opposite of heat change in melting of the…

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: How much energy is released when a 50g sample of gaseous ethanol is cooled from 78.4 degrees celsius…

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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: What is the final temperature (in °C) of 500.1 g of water (specific heat = 4.184 J/g.°C) at 24.20°C…

A: q=m×c×(T2-T1) Where  q= heat absorbed m=mass  C=specific heat of the substance T2= final temperature…

Q: A 27.95 g27.95 g sample of a substance is initially at 27.7 °C.27.7 °C. After absorbing 1867 J1867 J…

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Q: What is the final temperature of 450.1 g of water (specific heat = 4.18 J/g･°C) at 24.2°C that…

A: a Specific heat is  heat is required to increase the temperature of of 1 gram of substance by…

Q: What is the final temperature of 420.1 g of water (specific heat = 4.18 J/g･°C) at 24.2°C that…

A: The final temperature of water is to be calculated. 14.00 Normal 0…

Q: Calculate the heat change in kilocalories for condensation of 8.0 kgkg of steam at 100 ∘C∘C.

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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?

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Q: Calculate the heat change

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Q: The specific heat of zinc is 0.096 cal/goC.  Determine the amount of heat energy required to raise…

A: Applying formula Q= mc∆t

Q: 7.0 g of cream at 18.2 °C are added to an in coffee. You may assume no heat is lost to the cup or…

A: need to find the temperature two things equilibrate to in a constant pressure calorimeter given…

Q: A 51.76 g51.76 g sample of a substance is initially at 28.0 °C.28.0 °C. After absorbing 1755 J1755 J…

A: We have mass of sample as 51.76 g , initial temperature as 28°C, heat absorbed as 1755 J, final…

Q: How much heat is required to warm 2.07 kg of sand from 32.6 to 48.9 °C. The specific heat of sand is…

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Q: How much heat is gained by nickel when 213 g of nickel is warmed from 22.2 °C to 59.0 °C. J The…

A: Interpretation: Heat gained by nickel when 213 g of nickel is warmed from 22.2 oC to 59.0 oC is to…

Q: Calculate the amount of heat, in calories, that must be added to warm 70.9 g of brick from 19.3 °C…

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Q: Calculate the amount of heat, in calories, that must be added to warm 21.6 g of wood from 21.9 "C to…

A: Heat is the form of energy that is transferred from one system to another system. It is denoted by…

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 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: 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 when 4.0 grams of steam (H,O (g)) is heated from 120°C to 160°C? Cwater(g)…

A: To solve this problem we will use the formula  Q = mc∆T  Where,  Q = heat absorbed  m= mass of water…

Q: amount of heat released

A: