A 3.450 g of propane (molar mass = 44.11 g/mol) was placed in a bomb calorimeter with excess oxygen and ignited. The initial temperature of the calorimeter was 24.000 degrees celsius and its total heat capacity was 76.65 kJ * C^-1. The reaction raised the temperature of the calorimeter to 28.965 degrees celsius.  a. What is the heat exchangged by the reaction in kilojoules, qrxn?  b. Calculate the deltaE rxn for the combustion of propane in kilojoules per mole c. Work in this reaction is done on the system, done on the surroundings, or equal to zero? Why?

Q: 10. A reaction known to release 1.78kJ of heat takes place in a calorimeter containing 0.10OL of…

A: Given: Heat released = 1.78 kJ temperature change = 3.65 oC Volume of solution = 0.1 L = 100.0 mL…

Q: 1. A 5.000 g sample of methanol, CH,OH, was combusted in the presenmce of excess oxygen in a bomb…

A: The given data : The mass of methanol = 5.000 g The mass of water = 4000 g The initial temperature…

Q: The enthealpy óf coI (C6H5COOH) which is often used to calibrate calorimeters, is-3227 k.J/mol. When…

A: Given, Enthalpy of combustion(∆H) =-3227 kJ/mol Mass of benzoic acid =1.092 g Moles of benzoic acid…

Q: A water bath is used to heat flammable chemicals in the laboratory while avoiding the risk of…

A: Heat is transferred from the higher temperature to lower temperature is called as the thermal energy…

Q: If 500 grams of solid iron (Fe) at 100oC is placed in a calorimeter filled with 1000.0 grams of…

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Q: 1.45 grams sample of acetic acid, HC2H3O was burned in excess oxygen in a bomb calorimeter. The…

A: moles of acetic acid = 1.45 g / 60.05 g mol-1 =0.02414 mol heat released is equal = q1 heat absorbed…

Q: A 30.0 g sample of water at 280. K is mixed with 30.0 g of iron at 330 K. The final temperature of…

A:

Q: A chemical reaction in a bomb calorimeter evolves 5.17 kJ of heat. If the heat capacity of the…

A: Given, the heat evolved, q = 5.17 kJ Heat capacity, c = 1.08 kJ/°C Temperature, ΔT = ? The formula…

Q: A 5.000 g sample of methanol, CH3OH, was combusted in the presence of excess oxygen in a bomb…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: 0.15 moles of hydrochloric acid was neutralised by 0.50 moles of sodium hydroxide solution in a…

A: i) HCl is a strong acid while NaOH is strong base, so when they react with each other, they undergo…

Q: In a coffee cup calorimeter, a student adds 2.50 g of calcium, followed by addition of 50.0 mL of…

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Q: When a 3.25 g sample of solid sodium hyrdroxide dissolves in 80.0 g of water in a coffee cup…

A:

Q: In a coffee cup calorimeter, a student adds 2.50 g of calcium, followed by addition of 50.0 mL of…

A: Let us take the initial temperature of all components are at room temperature, i.e., 250C (298 K)…

Q: Calcium metal reacts with acid in solution according to the following reaction: Ca(s) + 2H†(aq) →…

A: Given: Mass of Ca reacting = 0.1437 g. Mass of solution = 150.0 g. Initial temperature = 21.80 oC…

Q: In a coffee-cup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M HCl are mixed to yield…

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Q: A piece of metal of mass 18.0g at 100 degrees Celsius is placed in a calorimeter containing 50.2…

A:

Q: A sample of nickel is heated to 99.8°C and placed in a coffee-cup calorimeter containing 150.0 g…

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Q: A 5.000 g sample of methanol, CH;OH (Molar mass = 32 g/mol), was combusted in the presence of excess…

A: Combustion reaction: When a hydrocarbon reacts with oxygen present from air gives carbon dioxide and…

Q: when octane (C8H18) is burned under standard conditions, the enthalpy of combustion is -5578.64KJ /…

A: Given that : The enthalpy of combustion = -5578.64 kJ/mol Heat of formation of octane = ?

Q: At constant volume, the heat of combustion of a particular compound is -3863 kJ/mol. When 1.163 g of…

A: Heat capacity is the amount of heat required to raise the temperature of a substance by 1 degree…

Q: A piece of metal of mass 12 g at 107 ◦C is placed in a calorimeter containing 55.7 g of water at…

A: Given : Mass of water = 55.7 g Mass of metal = 12 g Initial temperature of water = 20 oC Final…

Q: In a constant-pressure calorimetry experiment, a reaction gives off 21.8 kJ of heat. The calorimeter…

A: The given data contains, heat = 21.8 kJ. mass = 150 g. Initial temperature= 23.40C.

Q: In order to determine the heat capacity of their latest phone, CrabappleTM engineers cool the phone…

A: Heat absorbed by phone = heat given by the calorimeter C1× Change in temperature of phone = C2 ×…

Q: A 50.0 mL sample of 0.5 M AgNO3(aq) is mixed with a 50.0 mL sample of 0.5 M NaI(aq) in a…

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Q: Consider the dissolution of ammonium nitrate according to the following equation: NH,NO3(s) → NH,…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3 sub-parts. Please resubmit the…

Q: when octane (C8H18) is burned under standard conditions, the enthalpy of combustion is -5698.34KJ /…

A: Given: The enthalpy of combustion is -5698.34 KJ/mol.

Q: When a 12.8 g sample of NaOH(s) dissolves in 360.0 mL water in a coffee cup calorimeter, the…

A:

Q: What is the final temperature (in K) of 2.630 g of water with an initial temperature of 293.2 K…

A: Given: The initial temperature of the water, (T1) = 293.2 K. The mass of water, (m) = 2.630 g The…

Q: In the laboratory a student burns a 0.983-g sample of glutaric acid (C;HgO4) in a bomb calorimete…

A: Given that: Mass of glutaric acid = 0.983 gMass of water = 1170 gChange in temperature, ∆T = 26.90oC…

Q: An experiment is carried out where 12.2g of NaOH is dissolved in 240.0g of water in a coffee cup…

A: The experiment is the measurement of heat of dissolution of NaOH.

Q: When 60.0 mL of a 0.400 M solution of HNO3 (aq) is combined with 60.0 mL of a 0.400 M solution of…

A: Given density of solution is 1.04 g/mL and given specific heat capacity of the solution is 3.90…

Q: In an experiment, 2 grams of zinc and 150 mL aq CuSO4 were made to react, then as observed, the…

A: Given: Mass of zinc reacting = 2 g Volume of CuSO4 solution = 150 mL Initial temperature of solution…

Q: When a 12.5 g sample of NaOH(s) dissolves in 395.0 mL water in a coffee cup calorimeter, the…

A: Please find the solution attached as handwritten note .

Q: 3. A quantity of 2.00 x 10² mL of 0.862 M HCl is mixed with 2.00 x 10² mL of 0.445 M Ba(OH), in a…

A:

Q: When 0.625 grams of ethanol(C2H5OH) undergoes combustion in a bomb container calorimeter attaining a…

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Q: In a calorimetric experiment, 6.48 g of lithium hydroxide, LiOH, was dissolved in water. The…

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Q: When the Cacl2(s) is added to water, the following reaction occurs. Cacl,(s) → Ca2"(aq) + 2CI¬(aq)…

A: The specific heat is the amount of thermal energy given to a sample of 1g to increase the…

Q: When a 13.3 g sample of NaOH(s) dissolves in 394.0 mL water in a coffee cup calorimeter, the…

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Q: You discover a new substance and wish to determine its specific heat capacity. Your sample weighs…

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Q: Calculate the final temperature of the water. Given a 32.4-g stainless steel ball bearing at…

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Q: A 50 ml solution of 1.2M HCl at 24.1OC is mixed with 50 ml of 1.2M NaOH, also at 24.1oC, in a…

A: Given data Neutralization reaction :    NaOH(aq)   +   HCl(aq)   →    NaCl(aq)    +   H2O(l) Volume…

Q: A 5.000 g sample of methanol, CH3OH, was combusted in the presence of excess oxygen in a bomb…

A:

Q: 25.00 mL of 0.200 M sulfuric acid was added to 25.00 mL of 0.200 M NAOH, in a constant volume…

A:

Q: The enthalpy of solution (∆H) of KOH is -57.6 kJ/mol. If 2.26 g KOH is dissolved in enough water to…

A:

Q: A 50.75-g sample of water at 75.6°C is added to a sample of water at 24.1°C in a constant-pressure…

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Q: A 10.0-g sample of ammonium nitrate, NH4NO3, is added to 100.0 mL of water (density = 1.00 g/mL) in…

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Q: 0.500 g of ethanol [CH3CH2OH(l)] was burned in a bomb calorimeter. The temperature of the water rose…

A:

Q: The enthalpy of solution (∆H) of KOH is -57.6 kJ/mol. If 5.61 g KOH is dissolved in enough water to…

A: Given: Volume of solution = 150.0 mL Density of solution = 1.02 g/mL. Enthalpy of solution of KOH =…

Q: A 25.0 mL portion of dilute HCl (aq) is combined with a 25.0 mL portion of dilute NaOH in a…

A: Interpretation -  To determine the qrxn in J when a 25.0 mL portion of dilute HCl (aq) is combined…