How much energy in kJ is required to decompose 765 g of PC13, according to the reaction below? (PC13:137.32 g/mol) 20 - 4 PC13(g) → P4(s) + 6 Cl2(g) AH°rxn=+1207 kJ O A) 1681 OB) 5950 OC) 7016 OD) 4582 O E) 2310

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: 5. Given the following data calculate AH for the reaction: NO (g) + 0 (g) → NO2 (g) Data 202(g) →…

A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of…

Q: How much heat, in kJ, is produced by the amount of octane needed to drive 619 kilometers in a car…

A: Combustion reaction: 2C8H18(l) + 25O2(g) → 16CO2(g) + 18 H2O(l)  Energy released on combustion of 2…

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: Consider the following reactions: (1) N2(g) + O2(g) → 2NO(g) AH = +180.7 kJ (2) 2NO(g)+ O2(g)…

A: Dear student I have given answer to your question in the image format.

Q: Consider the reaction: H2(g) + (1/2)O2(g) -------> H2O(l) ΔH° = -286 kJ Which of the following is…

A: Consider the reaction-      H2(g) + (1/2)O2(g) ---> H2O(l) , ∆H=-286kJ  Since the enthalpy(∆H) is…

Q: How many moles

A: The balanced chemical reaction,  2Ga(ClO3)3 -----> 2GaCl3 + 9O2 □H = -130.4 kJ Form the balanced…

Q: 1) Production of a diprotic acid H2XO4 involves 3 steps as shown below: 1. X(s) + O2(g) = XO2 (g)…

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

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: Which reactions are exothermic?   Reaction 1: C3H8(g) + 5 O2(g) → 3 CO2(g) + 4 H2O(l) + 2220 kJ…

A: The reactions in which heat is evolved in products are known as exothermic reaction. Again the…

Q: 3. Draw the potential energy diagram for the combustion of propane C: Hg (g) +50O, (g) 3CO, (g)…

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Q: Use Reaction 1. Determine the mass, in grams, of chlorine gas consumed (with excess H₂) when 1,479.0…

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Q: Reactants Products Br,0) Reactants Products H30 Bal,(s) Reactants Products H20 Baso,(s)

A: Note: According to our guidelines we are supposed to answer only first three subparts. Kindly repost…

Q: 5. What is AH for BaCO3 (s) →→→ BaO (s)+ CO₂ (g) Given reactions 2 Ba (s)+O, (g) → 2 BaO (s) Ba (s)…

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

Q: Given the following reactions Fe2O3(s) + 3CO(s) → 2Fe(s) + 3CO2(9) AH = -28.0 kJ 3Fe(s) + 4CO2(s) →…

A: Given Reaction:-  Fe2O3(s)  + 3CO(s) -----> 2Fe(s) + 3CO2(g)   ∆H = -28.0kJ ..... (1)  3Fe(s) +…

Q: Al2O3(s) + heat → 2Al(s) + ½ O2(g) This reaction is    (endothermic / exothermic ).

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

Q: d) How many kilojoules of heat are absorbed when 40.5 g of MgO(s) is decomposed into Mg(s) and 02(g)…

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Q: Consider these reactions: Reaction 1: H₂(g) + Cl₂(g) → 2HCl(g) Reaction 2: 20F₂ (g) → O2(g) + 2 F₂…

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Q: Use Reaction 2. How much energy (in kJ) is released when 49.0 g of oxygen difluoride decomposes?…

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Q: Which of the following represents an endothermic reaction? CH4 (g) + 202 (g) → CO2 (g) + 2H2O (g) +…

A: Endothermic reactions are chemical reactions in which the reactants absorb heat energy from the…

Q: For the highly exothermic reaction H2(g) + 1/2 O2(g) → H2O(g) qrx =DHrx = -242 kJ, What quantity of…

A: Given: no of moles of H2 =17.9molno of moles of O2 = 1.13 molThe reaction is:H2(g) + 1/2 O2(g) →…

Q: When 3.50 g of CH3OCH3 is burned at constant Pressure, 110.6 kJ of heat is given off. What is AH for…

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

A: The amount of energy released from the reaction is called the enthalpy of the reaction. When the…

Q: If 2C4H10 + 13O2 --> 8CO2 + 1OH2O is exothermic, is energy (heat) a reactant or product?

A: A reaction in which heat is released is called exothermic reaction.

Q: 4. In an experiment, 1.010 g of sugar (molar mass = 3423 gmol) gave off 16.7 kJ of hest in a…

A: Heat of combustion : It is defined as the amount of energy released when one mole of a substance is…

Q: heat considered a product or a reactant of the reaction? 2. Is the formation of FeSCN+2 an…

A: In thermochemistry, the heat absorbed or released during a chemical reaction is an important aspect…

Q: Use the following thjt Fermentation of fruits and grains converts glucose to ethanol and carbon…

A: Given, Fermentation of fruits and grains converts glucose to ethanol and carbon dioxide. The…

Q: How much energy is required to decompose 1970 g of PCl3, according to the reaction below?     4…

A: The enthalpy of reaction when 4 moles of PCl3 decomposes is given as +1207 J. Hence the enthalpy of…

Q: Consider these reactions: Reaction 1: H₂(g) + Cl₂ (9)→ 2HCl(g) AH-184.6 kJ Reaction 2:20F₂ (g) →…

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Q: Which of the following represents an endothermic reaction? H2(g) + F2(g) –→ 2 HF(g) AH= -542 kJ C(s)…

A: The question is based on the concept of chemical thermodynamics. we have to identify the endothermic…

Q: Consider the reaction: 4A + B= 2C.        Δ H=-443.6Kj/mol what reaction corresponds to a H of…

A: The given reaction is as follows: 4A + B= 2C................. Δ…

Q: How much heat is released when an excess of Fe reacts with 48 g of 02 (M = 32 g/mol), according to…

A: 4 Fe (s) + 3 O2(g) → 2 Fe2O3 (s)  ∆H = - 1652 KJ From the above reaction we get that , When 3 mol O2…

Q: How much heat is liberated by the combustion of 250 g of CH3OH? The reaction is: 2 CH3OH+3 O2→ 2…

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Q: The reaction below is a  exothermic or endothermic reaction. 2SO3(g) + Heat ⇋ 2SO2(g) + O2(g)

A: Endothermic reactions are the reaction in which heat is absorbed and exothermic reaction are the…

Q: Methanol undergoes combustion according to the equation. Find the amount of heat given off from the…

A: heat released is given by formula,q=n◿Hwhere,n=no of moles◿H=enthaply of reaction

Q: How much energy is released during the formation of 98.7 g of Fe according to the reaction below?…

A: In given reaction 2 mole of Fe formed .

Q: ΔΗ- kJ

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Q: Given the reaction 2 CO CO2(g) What is AHO of this reaction? AHO CO (g) = -111 kJ/mol AHO 2H₂ (g) =…

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