Calculate the amount of heat needed to boil 15.5 g of hexane (C,H4), beginning from a temperature of -69.1 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol.

Q: A 126 g piece of metal is heated to 2.80x102 °C and dropped into 87.0 g of water at 26.0 °C Part A…

A: Given : Mass of water = 87.0 g Mass of metal = 126 g Initial temperature of water = 26.0 oC Final…

Q: Water (2430 g ) is heated until it just begins to boil. If the water absorbs 5.85×105 J of heat in…

A: The specific heat can be defined as the amount of heat per unit mass that is needed to raise the…

Q: A 522.5 g sample of aluminum is initially at 23.2 C. It absorbs 23.73 kJ of heat from its…

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Q: Calculate the heat change in joules for condensation of 7.10 g of steam at 100° C. Express your…

A: Given data, For part a) Mass of steam = 7.10g For part b) Mass of water = 49g

Q: 80.2 grams of a metal that is at temperature 95.15 °C is placed in 257.0 mL of water at 19.06 °C.…

A: Given mass of metal = 80.2 g density of water = 1g/ml volume of water = 257 ml specific heat of…

Q: A 24.817 gram sample of water with specific heat of 4.184 J/g0C changes temperature from 25.00 0C to…

A: Given :-  Mass of water = m = 24.817 g Initial temperature of water = Ti = 25.00 °C  Final…

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

A: Given: The specific heat of Hg = 0.14 J/g-K or J/g-0C The initial temperature, (T1) =22.1 0C. The…

Q: A Chemistry 1A student drops 65.0 grams of copper (cp = 0.385 J/g⋅°C) with an original temperature…

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Q: Which of the following units are used to measure heat? Select all that apply. Kelvin Celsius…

A: Heat is a type of energy and the heat of a system can be measured by measuring the temperature of…

Q: 80.2 grams of a metal that is at temperature 95.15 °C is placed in 257.0 mL of water at 19.06 °C.…

A:

Q: A sample of metal with a mass of 28.5 grams is heated to 95.0, and placed in a calorimeter…

A: Given, For metal: mass of metal (mmetal) = 28.5 g Specific heat capacity of metal (spmetal) = ?…

Q: Calculate the amount of heat needed to boil 94.5 g of hexane (C,H4), beginning from a temperature of…

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Q: Calculate the amount of heat needed to boil 39.6 g of hexane (C,H4), beginning from a temperature of…

A: Given - - > m = 39.6 g T1 = 47.6 °C T2 = 68.72°C ( final temperature because the hexane has to…

Q: Calculate the amount of heat needed to boil 12.3g of acetic acid (HCH3CO2), beginning from a…

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Q: Calculate the amount of heat needed to boil 122. g of hexane (C,H4), beginning from a temperature of…

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Q: Suppose that 384 mL of water changes in temperature from 63.73°C to 58.19°C. What is qwater in…

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Q: How much heat, in Joules, is absorbed by 60 g of water in order to increase in temperature from 23°C…

A: Interpretation: The amount of heat, in joules absorbed by 60 g of water in order to increase in…

Q: Calculate the amount of heat needed to boil 172. g of hexane (C6H₁4), beginning from a temperature…

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Q: Calculate the amount of heat required to raise the temperature of 24.2 g of water from 1.3°C to…

A: Thermodynamics is the branch of chemistry that mainly deals with the heat transfer between system…

Q: Calculate the amount of heat needed to melt 93.3 g of solid hexane (C,Hj4) and bring it to a…

A: Heat absorbed or released in a chemical reaction(Q) is related with specific heat(c) related as Q =…

Q: In Dexter’s lab, he pours 0.720kg of molten gold at 1063°C into a 1.30kg iron cauldron filled with…

A: Amount of heat absorbed = Amount of heat emitted

Q: Calculate the amount of heat needed to boil 118. g of octane (C,H,), beginning from a temperature of…

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Q: Suppose that 162 mL of water changes in temperature from 68.36°C to 76.34°C. What is qxn in joules?…

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Q: The specific heat of lead is 0.13 J/g °C. How much heat (in J) is required to raise the temperature…

A: Specific heat capacity of a substance is equal to the amount of heat energy is used to change the…

Q: How much heat (in joules) is used to heat a 38.38 gram sample of iron from 5.56 degrees Celcius to…

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Q: Calculate the amount of heat needed to boil 174. g of methanol (CH3OH), beginning from a temperature…

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Q: A 50.0 g iron ball (sp ht = 0.473 J/g C) is heated to 35 C and is placed in a calorimeter holding…

A: Given, For iron ball: Mass of iron ball (miron) = 50.0 g Specific heat capacity of iron (Cpiron) =…

Q: How much heat must be absorbed by a 13.0 g sample of water to raise its temperature from 13.0°C to…

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Q: Enter your answer in the provided box. A 244-g aluminum engine part at an initial temperature of…

A: 16. Given information,    Mass of Al engine part = 244 g    Initial temperature = 11.19 0C = 284.19…

Q: Calculate the amount of heat needed to boil 145. g of methanol (CH,OH), beginning from a temperature…

A: Given data is as follows:             The mass of methanol = 145 g The initial temperature of…

Q: If 2083 Joules are used to melt 5.26 grams of aluminum, what is the heat of fusion of aluminum in…

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Q: The definition of "Btu" is the energy needed to raise the temperature of 1 Ibm of water by 1 °F. The…

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Q: A gold ring with a mass of 5.50 g changes temperature from 25.0 to 28.0 degrees C. How much heat is…

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Q: what is its final temperature?

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Q: A975.7J of heat was applied to raise the temperature of a beaker of water from 47.0 oC to 63.0 oC.…

A: The relationship between quantity of heat ( Q ) , mass of water ( m ) , specific heat capacity of…

Q: If the specific heat of a ceramic cup is 0.583 J/(g °C), how much heat (in J) is required to raise…

A: To calculate heat energy, we have to use the formula : Q = m*s*Δt        ------(1) where, Q is heat…

Q: If 57 J of heat is added to an aluminum can with a mass of 25.0 g, what is the temperature change?…

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Q: Calculate the amount of heat needed to boil 45.2g of acetic acid (HCH3CO2), beginning from a…

A: The given problem can be solved by using the formula given below as;…

Q: How many Joules of energy are required to heat a 67.5 gram piece of tin (cp = 0.22 J/g⋅⋅oC) from…

A: Given: Mass of tin = 67.5 g Initial temperature of tin = 20.0 oC Final temperature of tin = 30.0 oC…

Q: How much heat (J) is required to heat 27.13 g of tungsten from 25.00°C to 47.14 °C? Round your…

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Q: How many joules of heat are required to heat 65 g lead from 22.0°C to 98.5°C?

A: The given mass of lead is 65 g. The specific heat of lead is 0.128 J/g °C. The given temperature…

Q: How many joules of heat are required to change 563 grams of solid ice with a temperature of 260…

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Q: How much energy (in J) is lost when a sample of iron with a mass of 26.9 g cools from 78.0 °C to…

A: The mass of iron is = 26.9 g The initial temperature of iron is = 78.0oC The final temperature of…

Q: Part A How much heat must be absorbed by a 13.0 g sample of water to raise its temperature from 13.0…

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Q: Calculate the amount of heat needed to boil 99.5 g of acetic acid (HCH,CO,), beginning from a…

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Q: Calculate the amount of heat needed to boil 143. g of hexane (C,H14), beginning from a temperature…

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Q: A small piece of iron with a mass of 52.7 grams is heated from 20 degrees Celsius to 31.7 degrees…

A: Given, Mass of piece of iron (m) = 52.7 g Initial temperature (Ti) = 20°C Final temperature (Tf) =…

Q: What is the specific heat of an unknown matter if a 20.00 kg of it released 300000.0 J of heat to…

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Q: Calculate the amount of heat needed to boil 157.g of benzene (C,H), beginning from a temperature of…

A: Given : Mass of benzene = 157g Temperature = 190 C

Q: If a 33.76 gram piece of porcelain which has a specific heat of 1.07 J/goC absorbs 1,936.56 J of…

A: Given: Mass of the porcelain piece is 33.76 g. Specific heat is 1.07 J/g °C. The energy absorbed is…