A bomb calorimeter can be used to measure the enthalpy of reaction for combustions, such as the combustion of diborane represented by the following balanced equation: B2​H6​(g)+3O2​(g)B2​O3​(s)+3H2​O(g) ΔHcombustion for this process is –1958 kJ/mol Assume that 0.251 g of diborane is combusted in a calorimeter whose heat capacity (Ccalorimeter) is 7.854 kJ/°C at 16.31°C. What is the final temperature of the calorimeter?

Q: Consider the following thermochemical reaction: 6 HCl(g) + 2 BCl3(g)-->B2H6(g) + 6Cl2(g) ΔHrxn =…

A: Given :-  6 HCl(g) + 2 BCl3(g)-->B2H6(g) + 6Cl2(g) ΔHrxn = +755.4 kJ  To calculate :-  mass of…

Q: Methane, CH4(g) obtained from natural gas is used as a fuel in lighters. The standard molar enthalpy…

A: Given: Heat of combustion of methane is -2000 KJ/mol.

Q: A compound is burned in a bomb calorimeter that contains 3.00 L of water. If the combustion of 0.285…

A: Molar heat of combustion of a compound is the heat evolved when 1 mole of the compound is completely…

Q: Ethane (C2H6) is a colorless, odorless gas that is highly flammable.  The UNBALANCED chemical…

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Q: The following thermochemical equation is for the reaction of NH4NO3 (s) to form N₂O(g) and NH4NO3…

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Q: 2C8H18(l) + 25 O2(g) = 16CO2 (g) + 18H2O(l) H rxn= -11,020 kJ if 2 moles of octane react, how much…

A: The reaction :2C8H18(l) + 25 O2(g)  16CO2 (g) + 18H2O(l)

Q: form dinitrogen monoxide(g) and water(g). NH4NO3(s) N2O(g)  +  2H2O(g)      H =  -35.9  kJ How…

A: First we will calculate the number of moles of NH4NO3 required to produce 7.18 KJ of energy using…

Q: How many grams of H2(g) would have to react to produce 36.4 kJ of energy?

A: A balanced stoichiometric chemical equation which also includes the enthalpy change, ΔH is defined…

Q: A bomb calorimeter can be used to measure the enthalpy of reaction for combustions, such as the…

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Q: Consider the thermochemcial equation for the combustion of acetone C3H6O in the equation:  C3H6O…

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Q: The following thermochemical equation is for the reaction of HBr(g) to form H₂(g) and Br2 (1).…

A: The given thermochemical reaction for the conversion of HBr(g) to H2(g) and Br2(l) is 2HBr(g)…

Q: The following thermochemical equation is for the reaction of hydrogen(g) with ethylene(g) to form…

A: Energy =33.3kJ H2(g)+ C2H4(g)-->C2H6(g).                      H= -137kJ

Q: According to the following thermochemical equation, what mass of C3H18 (in g) must react in order to…

A: From the reaction it is clear that 2 mol of C8H18 reacts with 25 mol of O2 and 11018 kJ energy is…

Q: 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s), ΔH = -1652 kJ (c) How much heat is released when 1.21 g iron is…

A: Given -  Heat released in the given reaction = 1652 kJ Mass of iron = 1.21 g

Q: 4Al(s) + 3O2 (g) --> 2 Al2O3 (s) Δ H = -3351 kJ     How much heat will be released when 85 g of Al…

A: Given thermochemical reaction equation is 4Al(s) + 3O2 (g) --> 2 Al2O3 (s) Δ H = -3351 kJ…

Q: The following thermochemical equation is for the reaction of NH3(g) with O₂(g) to form NO(g) and…

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Q: 1. Using the following reactions, calculate the heat of the first reaction. Note: all three…

A: 4NH3 (g) + 5O2(g)  ---->   4NO(g)  +  6H2O(g)    ΔH1 = ?  ------(1) N2(g)  +   O2(g)  ---->…

Q: Benzoic acid, C7H6O2, occurs naturally in many berries. Suppose you burn 1.500 g of the compound in…

A: Given: mass of benzene = 1.500 g mass of water = 775 g heat capacity of calorimeter = 893 J/K…

Q: Consider the combustion of butane: 2C4​H10​(g)+13O2​(g)-->8CO2​(g)+10H2​O(l), ΔHrxn = −2878 kJ/mol…

A: The enthalpy of combustion of a substance indicates the enthalpy change produced as a result of the…

Q: You mix 125ml of 0.180 m csoh with 50.0 ml of 0.450 m hf in a coffee cup calorimeter and the…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: Given the thermochemical equation SO2(g) + 1/2 O2(g) ---> SO (g) ΔH = -99kJ/mol how much heat is…

A: Given :-  SO2(g) + 1/2O2(g) → SO3(g)  ∆H = -99kJ/mol  To calculate :-  amount of heat evolved from…

Q: The following thermochemical equation is for the reaction of NH4Cl(s) to form NH3(g) and HC1 (9).…

A: When the energy is released in a reaction, then it is called as exothermic reaction. The sign of…

Q: Nitric acid, HNO3, can be prepared by the following sequence of reactions:4NH3(g) + 5O2(g) ⟶ 4NO(g)…

A: Here we have a multi-step reaction:

Q: A chemist measures the energy change AH during the following reaction CH4(9)+20₂(g) → CO₂(g) +…

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Q: We allow 73 g of oxygen to react with 85 g of ethane.  The reaction is shown below.  Since the heat…

A: Given - Balanced thermodynamical Reaction -  C2H6 (g) + 7/2 O2 (g) → 2 CO2 (g) + 3 H2O (g) ,…

Q: 6. The reaction for the combustion of octane, CeH18, is shown below. 2 CH18(g) + 25 0:(g)16 CO:(g) +…

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Q: The following thermochemical equation is for the reaction of CO(g) with Cl₂(g) to form COC12 (g).…

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Q: Using standard heats of formation, calculate the standard enthalpy change for the following…

A: 2H2O(l) ---> 2H2(g) + O2(g) Hrxn = Hproducts - Hreactants Hrxn = (2Hf (H2 )+ HfO2 ) - (2Hf H2O)

Q: A chemist measures the energy change AH during the following reaction: 2 HgO(s) → 2 Hg(1)+O2(g)…

A: Atomic mass of Hg = 200.6 g/mol Atomic mass of O = 16 g/mol.

Q: A chemist measures the energy change AH during the following reaction: 2 Fe,O3(s) → 4 Fe(s)+O,(9)…

A: For the given reaction, we need to calculate the amount of heat absorbed/released.

Q: 4 Write the thermochemical equation that represents: a the combustion of butane, C4H₁0(g) b the…

A: -> In combustion of alkane, alkane reacts with Oxygen and form CO2 and H2O . -> In formation…

Q: Consider the following reaction: N2(g)+O2(g)⟶2NO(g)                                ΔH∘=182.6kJ How…

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Q: heat for the combustion of sucrose (table sugar, C12H22O11) is -5,647 kJ for

A: Number of moles = mass/ molar mass  Number of moles of O2 = mass of O2/molar mass of O2

Q: [References] Use the References to access important values if needed for this question. When CO(g)…

A: The evolved energy for each mole of CO which is reacting is given as 283 kJ The reaction is as…

Q: When the organic fuel C2H4O combusts the balanced chemical reaction (with lowest whole number…

A: Enthalpy  of combustion is defined for 1 mole substance

Q: The following thermochemical equation is for the reaction of ammonia(g) with oxygen (g) to form…

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Q: The following thermochemical equation is for the reaction of Fe(s) with HCl(aq) to form FeCl₂ (s)…

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Q: Sodium azide is used in many U.S. auto air bags. Its decomposition reaction is: 2 NaN3(s) 3 N₂(g) +…

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Q: Diborane (B2H6(g)) is a highly reactive boron hydride, which was at one time considered as a…

A: Given:- 1)2 B(s) + 3/2 O2(g) ---> B2O3(s)                                  ΔH = -1273 kJ/rxn 2)…

Q: Solve the following thermochemical reactions: 2 HCl + Pb PbCl₂ + H₂ H=-1861 J/mole What is the…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: For the reaction 4 H(g) + CO(g) → CH(g) + 2 HO(g) H= -165 kJ/mol How many kJ of heat are liberated…

A: Given :Reaction : Mass of Mass of CO2 Objective : Determine the heat liberated (Note : I have here…

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: Given the following thermochemical equation CH4 (g) + 2O2 (g ) ⟶ CO2(g) + 2H2O…

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Q: How much heat is released in kJ when 2.50 mol of O2 reacts completely with methane?

A: The combustion of methane reaction is given as: CH4(g) + 2O2 (g) → CO2 (g) + 2H2O (l)   ΔH = −890.3…

Q: -Write the equilibrium constant expressions in the following events and find the numerical value of…

A: The question is based on the concept of chemical equilibrium. We have  to calculate equilibrium…