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: The reaction of 2SO3(g)=2SO2(g)+O2(g) has an enthalpy change of 198kJ. How many grams of sulfur…

A: From the given reaction we can see that when 2 moles of SO2 is produced, 198 KJ of energy is…

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: From data found in appendix G, calculate the enthalpy of the following reaction: PH3(g) + 3 Cl2(g)…

A: Enthalpy is thermodynamics property which measure the energy of the reaction.  Here we are required…

Q: Hot packs can be made from calcium chloride by mixing/reacting it with water (reaction shown below).…

A: A numerical problem based on enthalpy change of reaction, which is to be accomplished.

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: How much heat is absorbed or released when 40.00 g of NH3(g) reacts in the presence of excess O2(g)…

A: According to the question, The mass of the ammonia gas is given by =40.00 g The molar mass of the…

Q: mol

A: The combustion reaction is given as: CH4 + 2O2  ---> CO2 + 2H2O   When 8.01 gram of CH4 are…

Q: Given the thermochemical expression below: CaO (s) + 3C (s) ----> CaC2 (s) + CO (g)…

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Q: What is the enthalpy, dH, when 176.1 g NiO reacts with unlimited sulfur dioxide in the following…

A: A numerical problem based on thermochemical reaction, which is to be accomplished.

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

A: Given reaction is, 2 HgO (s)  →  2 Hg (l) + O2 (g)                     ∆H = 182 kJ As,  ∆H is…

Q: Lightweight camping stoves typically use a mixture of Cs and C6 hydrocarbons, which is called white…

A: Molecular mass of C5H12 = 72.15g/mol Enthalpy of combustion = -3550kJ/mol Volume of water = 1.5L Ti…

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: 4. Consider the thermochemical reaction given below: 2 C6H6 (1) + 15 0₂ (g) 12 CO₂ (g) + 6 H₂O (g)…

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Q: Consider the reaction:  2SO2​(g)+2H2​O(l) --> 2H2​S(g)+3O2​(g), ΔHrxn​=1124 KJ/mol How many moles…

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Q: Liquefied petroleum (LP) gas burns according to the following exothermic reaction: C3H$ (g) + 502…

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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: A chemist measures the energy change AH during the following reaction: C₂Hg(9)+50₂(g) → 3 CO₂(g) +…

A: The amount of Heat evolved or absorbed in a reaction is reaction Enthalpy. Which is represented by…

Q: ochemical equation for the formation of aqueous su (g) + H20 (1) → H2SO4 (aq) + 909.27 kJ (g) + ½ 02…

A: Enthalpy of formation is the Enthalpy change for formation of one mole substance from their…

Q: Consider the thermochemical equation for the combustion of acetone (C3H,O), the main ingredient in…

A: Solution :      The heat of reaction is defined as the amount of heat absorbed or released during a…

Q: How much heat is produced by the complete reaction of 6.81 kg of nitromethane? Nitromethane (CH3NO2)…

A: According to the given balanced chemical reaction,

Q: In the following reaction, what is the quantity of heat (in kJ) released when 6.49 moles of CH, are…

A: Given reaction: CH₄ (g) + 2 O₂ (g) → CO₂ (g) + 2 H₂O(g) Given, ∆H° = -802 kJ/mol We have to…

Q: The thermite reaction produces a prodigious amount of heat energy. Given the thermochemical reaction…

A: Reaction equation :8Al(s) + 3Fe3O4(s) →              4Al2O3(s) + 9Fe(s)∆H°rxn = -3350.0 kJmolMass of…

Q: Consider the combustion of liquid CsHs in oxygen gas to produce carbon dioxide gas and water vapor.…

A: Solution:- given ∆H for the combustion reaction ∆Hrxn= -3076 kJ/mol.                 C5H8 (l) + 7O2…

Q: When NO(g) reacts with O2(g) according to the following reaction, 57.1 kJ of energy are evolved for…

A: Given ,Reaction : Objective : Determine the complete thermochemical reaction.

Q: an important flavor component of vanilla extract is vanillin C8H8O3 molar mass = 152.15 g/mol when…

A: We have to calculate the mass of vanillin.

Q: Consider the following reaction: 2C6H6() + 15 O2(g)- 12 CO2(g) + 6 H20() AH = -5.869 x 103 kJ An…

A: Each reaction takes place account to their stoichiometric radio and account to those things the heat…

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

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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: A scientist measures the standard enthalpy change for the following reaction to be -679.4 kJ :…

A: The given chemical reaction is as follows: 2NH3(g) + 2O2(g) → N2O(g) + 3H2O(l)  ,…

Q: The following thermochemical equation is for the reaction of C(s,graphite) with O2(g) to form…

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Q: Assume that 0.411 g of diborane is combusted in a calorimeter whose heat capacity (Ccalorimeter) is…

A: In order to determine the final temperature of the calorimeter, the concept of the bomb calorimeter…

Q: OWhen a 0.740-g sample of trinitrotoluene (TNT), CH-N,Oo, is bumed in a bomb calorimeter, the…

A: Given volume of water = 675mL  Density of water = 1g/mL  So, mass of water = volume×density = 675g…

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: Ammonia gas is formed from hydrogen gas and nitrogen gas according to the following chemical…

A: For reaction, 3 H2(g) + N2(g) --> 2 NH3(g) Enthalpy change of reaction = ∆H = - 92.4 kJ

Q: A particular natural gas consists, in mole percents, of 83.0% CH4 (methane), 11.2% C₂H6 (ethane),…

A: First of all, Number of moles of gas is calculated using PV = nRT and mole percent  Then, total heat…

Q: A scientist measures the standard enthalpy change for the following reaction to be -52.7 k) :…

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Q: ane (C8H18) is a component of gasoline and combusted ac

A: Amount of energy released or absorbed during a chemical reaction  If energy is released then heat of…

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: A scientist measures the standard enthalpy change for the following reaction to be -891.8 kJ :…

A: A) ΔHrxn= (Hf )products - (Hf )reactants   Hf NH3 = -45.90 kJ/mol (2mol) Hf N2O = x kJ/mol (3mol) Hf…

Q: The enthalpy for formation of NH3(g) is -45.9 kJ/mol. What is the reaction enthalpy for the…

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Q: The following chemical reaction is exothermic releasing 283 KJ/mole of heat.  CO(g) + ½O2(g) ⟷…

A: The reaction given is CO(g) + ½O2(g) ⟷ CO2(g)

Q: It is recommended that the average daily intake of glucose for humans is not to exceed 32.5 g of…

A: The objective of the question is to calculate the heat released by  of oxygen are combusted with…

Q: A chemist measures the energy change AH during the following reaction: Cl₂(g) + H₂(g) → 2 HCl(g) Use…

A: An EXOTHERMIC thermochemical reaction equation is written as Reactants ------> products + HeatOr…

Q: The combustion of butane is highly exothermic and occurs via the following balanced reaction: 2C4H10…

A: