How much energy in kJ is released in burning 2.43 mL of gasoline (assuming that all of it is octane with a density of 0.692 g/mL and a molar mass of 114.23 g/mol)   The equation for the combustion reaction is C8H18(ℓ) + 25/2O2(g) → 8CO2(g) + 9H2O(ℓ)   ΔHf° kJ/mol C8H18(ℓ): -250.3 O2(g): 0 CO2(g): -393.5 H2O(ℓ): -285.8

Q: CeH6ln + 15 O2(g)12 CO2(g) + 6 H20() AH = -5.854 x 10 kJ in unknown amount of CEH6() was combusted…

A: The question is based on the concept chemical thermodynamics.   We have been given heat value.   We…

Q: An important step in the synthesis of nitric acid is the conversion of ammonia to nitric oxide. AH°F…

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Q: Using the following equation for the combustion of octane, calculate the heat associated with the…

A: First , find the mass in 16 moles of CO2 then find heat associated with 100g

Q: The standard enthalpy change for the following reaction is -822 kJ at 298 K.2 Na(s) + Cl2(g)    2…

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Q: Silane, SiH4, burns according to the reaction, SiH4 + 2O2 → SiO2 + 2H2O, with ΔH° = –1429 kJ. How…

A: In the question, negative sign of ∆H° means energy is released during the burning of SiH4  You can…

Q: How much heat (in kJ) is produced by the complete combustion of 52.2 g of CH4? Use 1.01 g/mol for…

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Q: an alternative to combustion, coal gas can undergo a process called methanation.  3 H2(g)  +  CO(g)…

A: Hess's law states that regardless of multiple stages or steps of a reaction, the total enthalpy…

Q: Calculate the enthalpy of reaction (ΔHrxn), in kJ, for the following reaction: Fe2O3(s) + 3 CO(g) →…

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the…

Q: Given the reaction: 4 Fe(s) + 302(g) → 2 Fe203(s) A H= -1652 kJ, what is the enthalpy change when…

A: for a given reaction, 4 Fe(s) + 3 O2(g) → 2 Fe2O3(s) enthalpy change, Δ H = -1652 KJ

Q: Consider the reaction: C2H5OH(l) + 3O2(g) → 2CO2(g) + 3H2O(l), ΔH = –1.37 × 103 kJ When a 2.23 mol…

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Q: If you have 6.0 moles of ammonia, how much energy in kJ released in the chemical reaction? N2 (g) +…

A: Answer is A) -280 kJ

Q: The standard enthalpy change for the following reaction is -511 kJ at 298 K.Br2(l) + 3 F2(g)--->2…

A: The objective of the question is to find the standard enthalpy change for the reaction 1/2 Br2(l) +…

Q: 1.  How many moles of butane, C4H10(l), must be burned to produce 182 kJ of heat under standard…

A: We have to find how many moles of butane, C4H10(l), must be burned to produce 182 kJ of heat under…

Q: When 1.00 g1.00 g of ethanol (C2H5OHC2H5OH)is burned in the air, −29.7 kJ−29.7 kJ of heat energy is…

A: Combustion :- The burning of a compound in excess of  air or oxygen is called combustion . It is an…

Q: Consider the combustion of liquid C₅H₈ in oxygen gas to produce carbon dioxide gas and water vapor.…

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Q: A chemist measures the enthalpy change AH during the following reaction: 2 Na(s) + Cl,(g)–→2 NaCl(s)…

A: Given: ∆H for the reaction 2Na(s) + Cl2(g)----> 2NaCl(s) is -822 kJ

Q: Using the information provided, determine the enthalpy (in kJ/mol) for the reaction C₃H₈ (g) + 5 O₂…

A: Given,            ∆Hf°C3H8(g) = -108.4  KJ/mole.             ∆Hf°O2(g) = 0  KJ/mole.…

Q: Given the reaction 2 Cl2 (g) + 2H₂O(g) → 4HCl(g) + O2(g) What is AHO of this reaction? AHO Cl₂ = 0…

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Q: Calculate ΔH (in kJ/mol) for the reaction shown below: ClF(g)+F2(g)→ClF3(g) Use the following…

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Q: You mix 208 ml of 0.291 M LIOH with 208 ml of 0.536 M HF in a coffee-cup calorimeter, and the T of…

A: Calorimeters are used for the determination of heat of reaction. For a coffee-cup calorimeter the…

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: How many kilojoules are released when 124 g of Si reacts with chlorine?…

A: First convert mass into mole by dividing molar mass then calculate mole mole relationship to get…

Q: Calculate the standard enthalpy change for the following reaction: 2CH3OH(l)   +   3O2(g)   →…

A: Heat released and absorbed during a reaction by change in bonding is defined as heat of reaction or…

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: ΔH = +572 kJ for the decomposition of water by the reaction 2 H2O() → 2 H2(g) + O2(g). How many…

A: Number of moles decomposed = Heat given/Molar heat of decomposition Mass = Number of moles x molar…

Q: Consider the reaction: When a 10.0-g sample of ethyl alcohol (molar mass = 46.07 g/mol) is…

A: The given reaction is : C2H5OH(l)+3O2(g)→2CO2(g)+3H2O(l)        ∆H=-1.37×103 kJ

Q: 1. Hydrogen that is stored "stored" in NH3 can be released through the reaction: 2 NH3(g) → N₂(g) +…

A: Answer:- This question is answered by using the simple concept of Hess law of constant heat…

Q: Charcoal is primarily carbon. Determine the mass of CO2produced by burning enough carbon to produce…

A: The given reaction is  C(s) + O2(g) ------> CO2(g)   ∆H = -393.5 kJ

Q: C₂H5OH + 302 2CO₂ + 3H₂O AH=1367kJ/mol How many grams of carbon dioxide are produced when 530. kJ of…

A: Ethanol reacts with oxygen to form carbon dioxide and water. The equation for the balanced…

Q: Consider the reaction. 2 Fe,0, – 4Fe + 30, Ali = +824.2 kJ The decomposition of 53.0 g of Fe,0;…

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Q: Copper has been used for thousands of years, either as a pure metal or in alloys. It is frequently…

A: Enthalpy change for the reaction recovering1.23 mol Cu is determined as follows,

Q: Is this an endothermic or ex other mic reaction

A: The energy difference between the products and reactants is known as the energy change of a…

Q: 187 g 662g 44.Given that CaO(s) + H,O(1) Ca(OH)2(s), AH°, =-64.8 kJ/mol, how many grams of CaO must…

A: Since you have posted multiple questions, we are entitled to answer the first only.

Q: 25.0 mL of 1.00 M HCl at 24.3°C react with 25.0 mL 1.00 M NAOH in a styrofoam calorimeter whose…

A: Using the energy conservation , in calorimeter  heat given in the reaction of neutralisation =heat…

Q: Determine the enthalpy of reaction for P4O10(s) + 6PCI5(g) → 10POCI:(g) P4(s) + 6CI2(g) → 4PCI3(g)…

A: P4 (s) + 6Cl2 (g) ------> 4PCl3(g) ΔH = -1225.6 KJP4 (s) + 5O2 (g) --------> P4O10 (s) ΔH = -…

Q: A calorimeter contains 16.0 mL of water at 14.5 °C. When 2.20 g of X (a substance with molar mass of…

A: Given :  Mass of X = 2.20 g  Volume of water = 16.0 mL  Heat capacity (C) = 4.18  ∆T = 25.5 - 14.5 =…

Q: Determine the enthalpy (in kJ/mol) for the reaction 3 SiCl₄ (s) + 4 Fe (s) → 4 FeCl₃ (s) + 3 Si (s)…

A: To solve this we have to do some  mathematical operations with the given  two equations to get the…

Q: Which of the following reactions is exothermic? ¹/2 N₂(g) + ¹/2O₂(g) + 90.7 kJ ® NO(g) CO(g) + 111…

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Q: For the reaction below ΔH = -296 kJ per mole of SO2 formed. S(s) + O2(g) → SO2(g) (b) Calculate…

A: From the amount of SO2 formed we can figure out the heat released on burning of 0.544 mol of sulfur.

Q: Here's a formula for the combustion of ethane: 2 C,H, (g) + 7 O, (g) → 6 H¿O (g) + 4 CO2 (g) AH =…

A: Given the combustion reaction of ethane. The heat produced during this combustion is also is given…

Q: You mix 122 ml of 0.249 M LIOH with 122 ml of 0.55 M HF in a coffee-cup calorimeter, and the T of…

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Q: Calculate Δ­H for the reaction  NO(g) + O(g) → NO2(g) given the following information: NO(g) +…

A: Introduction The value of heat of reaction can be calculated by the application of Hess's Law.

Q: For the same reaction: ▲Hræn C4H10 (1) + O2(g) → 4CO2(g) + 5H₂O(g) AHran = −2658 kJ/mol 13 If 1500…

A: The objective of the question is to find out how many grams of water was generated when 1500 kJ of…

Q: If methane is burned, the reaction is CH4 + 2O2 ® CO2 + 2H2O + 890 kJ/mol. How many kilograms of…

A: Enthalpy of reaction(∆H) = -890 KJ  Part 1 :  Mass of methane = 1 kg  Part 2 :  Energy or heat…

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: MISSED THIS? Watch KCV 9.6, IWE 9.7; Read Section 9.6. You can click on the Review link to access…

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Q: In a coffee cup calorimeter, 50.0 mL of 1.00 M NaOH and 50.00 mL of 1.00 M HCl are mixed. Both…

A: The given informations are recorded as shown below,

Q: 50.0 mL sample of a 1.00 MM solution of CuSO4CuSO4 is mixed with 50.0 mL of 2.00 MM KOHKOH in a…

A: The given reaction is, CuSO4+2KOH→CuOH2s+K2SO4 The given volume of CuSO4 is 50 mL. Volume of KOH is…