14. For the incomplete combustion of silicon: 2Si(s) + 0:(g) → 2SIO(g) AH = -88.2 kJ calculate the amount of heat released for each of the following: (a) 5.00 mol of Si is reacted (b) 5.00 g of Si is reacted

Q: 1) How much heat will be released when 4.72g of carbon reacts with excess O2 according to the…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: 9.62 Sulfur trioxide can be removed from the exhaust gases of power plants by reaction with lime.…

A: Given, CaO(s) + SO3(g) ➝ CaSO4(s)   ∆H° = -886 kJ Note : negative sign (-) indicate the release of…

Q: How many KJ of energy are released when 6.39 g of Fe reacts with excess O₂? Given the following…

A: We have to predict the energy released

Q: The heat of formation of Fe2O3(s) is -826.0 kJ/mol. Calculate the heat of the reaction 4Fe(s) +…

A: Given information,

Q: 8. The overall reaction in commercial heat packs can be represented as   How much heat is released…

A:

Q: 4. Titanium reacts with iodine to form titanium(III) iodide: 2 Ti(s) + 3 12(g) -->2 Til(s) AH = -839…

A: Here we are required to find the mass of Ti needed for the reaction.

Q: 226 kJ of heat increases the temperature of 47.0 kg of copper by 12.5 ℃, what is the molar heat…

A:

Q: When 0.963 g of benzene, C6H6, is burned in a bomb calorimeter, the temperature of the calorimeter…

A: The amount of heat was produced by the combustion of the glucose sample is calculated as,

Q: 4. Electrolysis dissociates liquid water molecules into hydrogen and oxygen gases with the use of…

A: Given :  5.  ∆Hf° of NO2 = 33.9 KJ/mol  ∆Hf° of N2O4 = 33.9 KJ/mol  6.  Mass of Al = 15 gram…

Q: The reaction 3H2(g) + N2(g) → 2NH3(g) has an enthalpy of reaction of -92.6 kJ/mol. If 2 g of…

A: According to the given balanced chemical equation, one mole of nitrogen reacts to produce 92.6 kJ of…

Q: he value of ΔH0for the reaction is -126 kJ. Determine the heat released when 2.00 mol of NaOH is…

A: For a chemical reaction, the enthalpy of reaction (ΔHrxn) is the difference in enthalpy between…

Q: 8. How much energy is released, when 45.0 g of methane is burned? AH for the reaction is -891…

A:

Q: The following thermochemical equation is for the reaction of carbon monoxide(g) with chlorine(g) to…

A:

Q: When gasoline burns in an automobile engine, the heat released (301 J) causes the products CO2 and…

A:

Q: Consider the following: C,H,OH+3 O, →2 CO, +3 H,0 Calculate AH for the above reaction if when 1.00 g…

A: ∆Hreaction = Enthalpy change when reaction occurs according to the balanced chemical equation and…

Q: 9.2  An automobile engine provides 566 Joules of work to push the pistons and generates 2142 Joules…

A: In this question, we will calculate the change in internal energy ( ∆E ) of the system.  You can see…

Q: The following thermochemical equation is for the reaction of tetraphosphorus decaoxide(s) with…

A:

Q: The following thermochemical equation is for the reaction of tetraphosphorus decaoxide(s) with…

A: 1 mol of tetraphosphorus decaoxide (P4O10) has produced energy = 453 kJ  Molecular weight of…

Q: When 4 miles of NH3 (g) react with O2 to form NO(g) and H2O(g) according to the following equation,…

A:

Q: Consider the combustion of propane, C3H8, the fuel that is commonly used in portable barbeque…

A: The chemical reaction corresponding to the combustion of propane is given as, The amount of heat…

Q: How many KJ of energy are released when 6.39 g of Fe reacts with excess O₂? Given the following…

A:

Q: Exactly 46.33 kJ of heat is transferred to a 1.389 kg slab of nickel at a temperature of 12.7°C. (a)…

A:

Q: In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by…

A:

Q: 6.8 What mass of butane in grams is necessary to produce 1.5 X 10' kJ of heat? What mass of CO2 is…

A: The balanced chemical equation for the combustion of methane is, C4H10+132O2→4CO2 + 5H2O 58 g of…

Q: The lead-acid storage battery is the oldest rechargeable battery in existence. It was invented in…

A:

Q: In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by…

A:

Q: The value of ΔH° for the reaction below is +128.1 kJ: CH3OH (l) → CO (g) + 2H2 (g) How many kJ of…

A: Given: The reaction is as follows, CH3OH (l) → CO2(g) + 2H2(g)          ∆H° = +128.1 kJ Mass of…

Q: 8. How much heat, in kilojoules, is needed to produce 1850 grams of ammonia (NH3), according to the…

A: Formula used :- Number of moles(n) = given mass(w)/Molar mass (M)      n= w/M

Q: The value of AH° for the reaction below is -126 kJ. The amount of heat that is released by the…

A: Balanced equation:2 Na2O2 + 2 H2O ===> 4 NaOH + O2 Reaction type: double replacement.

Q: When 0.5 mol of H2 is reacted with 0.5 mol of O2, 121 kJ of heat is released. Determine ΔHrxn for…

A: Given:  Moles of H2 =0.5  Moles of Cl2 = 0.5  Heat released = 121 KJ

Q: The following thermochemical equation is for the reaction of iron(III) oxide(s) with aluminum(s) to…

A:

Q: The work done by a system is 8 J, when 40 J heat is supplied to it. What is the

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

Q: 4. Sodium carbonate is a white powder used in the manufacture of glass. When hydrochloric is added…

A: The chemical equation can be written as: 2H+(aq)+CO32-(aq)→CO2(g)+H2O(l) To calculate the ΔHº for…

Q: For the reaction given in Part A, how much heat is absorbed when 3.70 mol of A reacts?

A: Given: ∆fH°(A) = -233 kJ/mol ∆fH°(B) = -391 kJ/mol ∆fH°(C) = 181 kJ/mol ∆fH°(D) = -477 kJ/mol

Q: When 0.5 mol of H2H2 is reacted with 0.5 mol of O2O2, 121 kJ of heat is released. Determine…

A: In the question, it is given that 0.5 mol of H2 react with 0.5mol of O2  i.e same ratio therefore…

Q: A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 71 J…

A:

Q: The value of AH° for the reaction below is 128.1 kJ CH ,OH CO2es + 2H, (1) 2(g) 2(g) How may kJ of…

A: Enthalpy is thermodynamic property which is extensive in nature

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A:

Q: The reaction between hydrogen and oxygen to yield water vapor has ΔH° = -484 kJ. How much PV work is…

A: Given data,∆H=-484kJMoles of H2=0.50molMoles of O2=0.25mol∆V=-5.6LPressure=1atm

Q: 1. Calcium carbonate decomposes at high temperatures to form carbon dioxide and calcium oxide: Given…

A: We have given that  Calcium carbonate decomposes at high temperatures to form carbon dioxide and…

Q: The following thermochemical equation is for the reaction of sodium(s) with water(1) to form sodium…

A: Answer:- This question is answered by using the simple concept of stoichiometry of thermochemical…

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

A: Given:The balanced chemical equation:CuO(s)+CO(g)---->Cu(s)+CO2​(g)ΔH° f,CuO is = –155 kJ/molT =…

Q: Based on the following reaction: Sb (s) + 3/2 Cl2 (g) → SbCl3 (g) AH = -314 kJ How much heat would…

A:

Q: The standard molar enthalpy formation of ammonia, NH3(g) is -45.92 kJ. 1/2 N2(g) + 3/2 H2(g) ==>…

A:

Q: In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by…

A: Interpretation - In the given above all the reactions , here we have to calculate the ∆Ho for the…

Q: The ΔH value for the reaction is -90.8 kJ. How much heat is released when 198.1 g Hg is reacted with…

A: Reaction involved :- 2Hg + O2 = 2HgO

Q: The value of ΔH0for the reaction is -482 kJ.  What is the heat released to the surroundings when…

A: When two moles of CO reacts with one mole of O2, two moles of CO2 are formed. The amount of heat…

Q: The combustion of propane is represented by the following reaction: 50 21g) 3CO2(8) 4H2O(g) 2043 kJ…

A: The balanced reaction taking place is given as, => C3H8 (g) + 5 O2 (g) ---------> 3 CO2 (g) +…

Q: How much heat (in kilojoules) is evolved when 135 g of aluminum reacts completely in the following…

A: Applying mole concept and unitary method for calculation.

Q: In the recovery of iron from iron ore, the reduction of the ore is actually accomplished by…

A: