Calculate the amount of heat needed to boil 85.9 g of octane (C̟H3), beginning from a temperature of 114.5 °C. Round your answer to 3 significant digits. Also, be sure your answer contains a unit symbol. 29.8 kJ

Q: When 762 joules of heat is added to a sample of solid copper (Cu), the temperature rises from 18.2…

A: We will use formula of heat

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: chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

A:

Q: If 10.0 g of cream at 15.4°C are added to an insulated cup containing 100.0g of coffee at  72.2°C.…

A: Specific heat of the substances is same as water i.e 4.18 j/gc

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 333.0 g sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.80kg sample…

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Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 221.0g sample…

A: Specific heat capacity: The amount of heat required to increase the temperature of one gram of a…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.91kg sample…

A: Given: mass of substance = 1.91 kg = 1910 g Temperature change = 0.6°C to 15.5°C Heat needed = 3.96…

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

A: We know that,  Q = mc∆T  Where, Q = heat  m = mass  C = specific heat  ∆T = Change in temperature =…

Q: As a professional nerd I prefer to heat my coffee using a Bunsen burner.  Bunsen burners use methane…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 569.0g sample…

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Q: 15.0 g of cream at 16.9 °C are added to an insulated cup containing 150.0 g of coffee at 94.8 °C.…

A:

Q: Calculate the amount of heat needed to boil 151. g of acetic acid (HCH,CO₂), beginning from a…

A: Amount of acetic acid, m = 151 g Initial temperature, ti = 17 C Final temperature = Boiling point of…

Q: A 0.4625 g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a heat…

A: Information of question

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 562.0g sample…

A:

Q: Calculate the amount of heat needed to boil 73.1 g of benzene (CH), beginning from a temperature of…

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

A:

Q: Calculate the amount of heat needed to boil 186. g of octane (C8H18), beginning from a temperature…

A: Answer:Since, boiling point of octane is 125.60C and melting point of octane is -570C, therefore at…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a  868.0mg…

A: Answer:Here:

Q: A sheet of gold weighing 9.5 g and at a temperature of 16.5 °C is placed flat on a sheet of iron…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank you.…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.03kg sample…

A: We have to calculate the specific heat capacity of the substance

Q: How much heat in kJ must be added to 175 g of w

A: Specific heat capacity of any material (represented as c) is amount of heat required to raise 1 gram…

Q: Calculate the amount of heat needed to boil 110. g of benzene (CH), beginning from a temperature of…

A: 110.0 g of benzene C6H6 is started to heat from a temperature of 17.8 °C .We have to calculate the…

Q: A student wishes to determine the heat capacity of a coffee-cup calorimeter. After she mixes 107 g…

A: Given mass of water added to the coffee-cup calorimeter(ma) is 107 g and initial temperature(tai) of…

Q: Calculate the amount of heat needed to boil 59.8 g of acetic acid (HCH3CO₂), beginning from a…

A: Given :- mass of acetic acid = 59.8 g               initial temperature = 117 °C To be calculated =…

Q: What can the chemist report for the specific heat capacity of the substance?

A:

Q: A sheet of gold weighing 9.4 g and at a temperature of 19.1 °C is placed flat on a sheet of iron…

A: Given Mass of gold = 9.4 g Temperature of gold = 19.1•C Mass of iron = 18.4 g Temperature of iron =…

Q: Calculate the amount of heat needed to boil 73.9g of water ( H2O ), beginning from a temperature…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 206.0mg sample…

A: Given : Mass of sample = 206 mg = 0.206 g…

Q: A  20.7 gram piece of metal at 152.2  oC is dropped into 80.9 grams of water at 18.3 oC.  The water…

A:

Q: Calculate the amount of heat needed to boil 129. g of methanol (CH 3 OH), beginning from a…

A: The amount of heat needed to boil 129.0 g methanol can be calculated using the formula:q=mcΔTwhere,…

Q: Calculate the amount of heat needed to boil 146. g of water (H,0), beginning from a temperature of…

A: You will need to know the heat of fusion of water.   The molar heat of vapourization for water is…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 823.0g sample…

A: Given;

Q: Calculate the amount of heat needed to boil 96.0 g of benzene (CH), beginning from a temperature of…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a  517.0mg…

A: Given,The mass of a substance = 517.0 mgInitial temperature = -4.5 0CFinal temperature = 13.7 0CThe…

Q: The specific heat of toluene, C7H8, is 1.13 J/g-K. How many joules of heat are needed to raise the…

A: Given :-  Specific heat of toluene = 1.13 J/g.K  Mass of toluene = 40.0 g  Initial temperature =…

Q: Calculate the amount of heat needed to boil 15.9 g of methanol (CH₂OH), beginning from a temperature…

A:

Q: Calculate the amount of heat needed to boil 145. g of methanol (CH3OH), beginning from a temperature…

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

Q: chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

A:

Q: A piece of metal weighing 73.10 g was heated to 99.3°C and then put into 30.00 g of water (initially…

A: The given data : The mass of metal = 73.10 g The temperature of metal = 99.3°C The mass of water =…

Q: A sheet of gold weighing 9.0 g and at a temperature of 13.8 °C is placed flat on a sheet of iron…

A: The objective of this question is to find the final temperature of the combined metals, gold and…

Q: Calculate the amount of heat needed to boil 193. g of benzene (CH), beginning from a temperature of…

A: The amount of heat required to raise the temperature is calculated using the following equation:mass…

Q: A)   An iron nail with a mass of 12 gg absorbs 15 J of heat. If the nail was initially at 30 ∘C,…

A:

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: 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: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

A:

Q: Calculate the amount of heat needed

A: Given :- mass of acetic acid = 115 g                initial temperature = 33.9 °C  To be calculated…