Consider these reactions, where M represents a generic metal.   1. 2M(s)+6HCl(aq) >>> 2MCl3(aq)+3H2(g) Delta H1=-752.0 kJ 2. HCl(g) >>> HCl(aq) Delta H2= -74.8 kJ 3. H2(g)+Cl2(g) >>> 2HCl(g) Delta H3= -1845.0 kJ 4. MCl3(s) >>> MCl3(aq) Delta H4= -347.0 kJ Use the information above to determine the enthalpy of the following reaction. 2M(s)+3Cl2(g) >>> 2MCl3(s)   Delta H= ?kJ

Q: The overall reaction in a commercial heat pack can be repre- sented as 4Fe(s) + 30₂(g) →→→→2Fe₂O3(s)…

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Q: A student performed this experiment by mixing 50.0 mL of 2.0 M NaOH solution with 50.0 mL of 2.0  M…

A: Given: Concentration of NaOH reacting = 2.0 M Volume of NaOH solution = 50.0 mL = 0.050 L…

Q: Nitric oxide (NO) can be formed from nitrogen, hydrogen and oxygen in two steps. In the first step,…

A: To calculate the net change in enthalpy for 1 mole of nitric oxide from nitrogen , hydrogen and…

Q: For the reaction HCI(g) + NH3(g) NHẠCI(s) AG° = -90.0 kJ and AS° =-284.8 J/K at 302 K and 1 atm.…

A: Given reaction; HCl(g) +  NH3 (g)  ----->  NH4Cl(s)  and, ∆G° = -90.0 KJ and ∆S°  = -284.8 J/K at…

Q: For the reaction I2(g) + Cl2(g) – 2 ICI(g) AG° = -30.3 kJ and AS° = 11.4 J/K at 310 K and 1 atm.…

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Q: Calculate the standard enthalpy change for the reaction at 25 °C. Standard enthalpy of formation…

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Q: ΔH for the following reaction is -1789 kJ. Use this and Equation a todetermine ΔH for Equation…

A: There are two equations given: 4Al (s) + 3MnO2 (s) → 2Al2O3 (s) + 3Mn (s)              ΔH = -1789 kJ…

Q: Given the reactions,   X(s)+1/2O2(g)⟶XO(s)   Δ?=−807.5 kJ   XCO3(s)⟶XO(s)+CO2(g)    Δ?=+390.3 kJ…

A: It is given that the change in enthalpy of the given net reaction need to be calculated and the…

Q: Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) → 2HC1(g) AH = -184.6 kJ Reaction 2: 20F2 (g)…

A: -> If ∆H =+ve => reaction is endothermic reaction. -> if ∆H = -ve => reaction is…

Q: If ΔHr for the following reaction is -36.40 kJ/mol, a) what is the enthalpy of formation of HBr(g)?…

A: a. The enthalpy of the reaction can be related to enthalpy of formation of the involved species as:…

Q: Given these reactions, X(s)+1/2O2(g)⟶XO(s)                 Δ?=−887.7kJ/mol XCO3(s)⟶XO(s)+CO2(g)…

A: X(s)+1/2O2(g)    ⟶    XO(s)                                          ΔH1=−887.7kJ/mol…

Q: Consider the following chemical reaction:   CS2(g)  +  3Cl2(g)  --->  S2Cl2(g)  +  CCl4(g);…

A: In the given equation is △H  is negative , so the given reaction is exothermic reaction.  1 mole of…

Q: Elemental iron is used in heat packs and the reaction can be represented as: 4 Fe(s) +3 O2(g) → 2…

A: When enthalpy is negative that means reaction is exothermic reaction

Q: 11. If 100 mL of 1.00 M silver nitrate are added to 100 mL of 1.00 M potassium iodide in a…

A: When we heat a substance the temperature of the substance increases. The required amount of heat to…

Q: A student performed this experiment by mixing 50.0 mL of 2.0 M NaOH solution with 50.0 mL of 2.0  M…

A: Given :-  Volume of HCl = 50.0 mL = 0.0500 L  Molarity of HCl = 2.0 M = 2.0 mol/L  Volume of NaOH =…

Q: || The temperature of a sample of copper increased by 25.0 °C Substance Specific heat J/(g °C) when…

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Q: Consider these reactions, where M represents a generic metal. 2 M(s) +6 HCI(aq)2 MCI, (aq) + 3 H,(g)…

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Q: Which of the following reactions is endothermic? NH3(g) NH3(g) + HF (aq) 2H2(g) + O2(g) CO2 (s)…

A: We have to select the endothermic reaction

Q: Given the following three reactions: C (s) + 2 H2 (g) CH4 (g) ΔΗ -44.1 kJ %3D C (s) + 2.Cl2 (g) CCI4…

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Q: The standard enthalpy change for the following reaction is -359 kJ at 298 K. Pb(s) +…

A: The objective of the question is to find the standard enthalpy change for the reverse reaction of…

Q: For a process,AE =+148 kJ and the system does 34 kJ of work on the surroundings. This means that...…

A: Given : ∆Esys = +148 kJ Work on he surroundings = 34 kJ

Q: Given the chemical reaction: CHale) +5 0,g)→3 CO,) +4 H,OG) AH = -2044 kJ How much heat would be…

A: When hydrocarbons are combusted, then the large amount of heat is produced which is known as…

Q: Consider the following reactions: A B AGn 3 kJ/mol C- B AGrn = 37.3 kJ/mol !3! What is the value of…

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Q: → 2 NO(g) ► 2 N2(g) + O2(g) AH = +180.7 kJ NO(g) + O,(g) → 2 NO,(g) AH = -113.1 kJ 2 N;O(g) → 2…

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Q: Payal

A: The objective of this question is to calculate the heat of reaction, qrxn, for the given chemical…

Q: Consider the reactions: A+B₂-AB2 AH=-20 kJ ½ C₂+ B₂-CB AH = +15 kJ AC4+2 B2 → AB₂+2 C₂B AH°=-15 kJ…

A: 25 kJ/molExplanation:

Q: How much heat is released or absorbed (in kJ) by the system in the reaction of 19.3 g of SF, with…

A: The balance chemical equation :  SF6(g) + 3H2O(l) ----> 6HF(g) + SO3(g)  The Standard heat of…

Q: A generic solid, X, has a molar mass of 59.1 g/mol. In a constant-pressure calorimeter, 15.8 g of X…

A: Given: The mass of solid X = 15.8 g The mass of water = 311 g The initial temperature of the water =…

Q: If you combine 300.0 mL of water at 25.00 °C and 110.0 mL of water at 95.00 °C, what is the final…

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Q: 2 M(s) + 6 HC1(aq) - 2 МСL, (aq) + 3Н, () AH = -581.0 kJ 2. HCI(g) → HC(aq) AH, = -74,8 kJ 3. H, (g)…

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Q: A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 69 J…

A: Given data,Step 1:Heat(Q)=69JWork(w)=-34J(-ve sign represent work is done on the system)Step…

Q: 3. Pyrite (FeS2), aka Fool's Gold, can break down in the presence of oxygen gas to form various iron…

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

Q: When 13.8 mL of 0.870 M lead(1I) nitrate reacts with 90.0 mL of 0.777 M sodium chloride, 0.579 kJ of…

A: The balanced reaction taking place is given as, => Pb(NO3)2 (aq) + 2 NaCl (aq) ----> PbCl2 (s)…

Q: Calculate the amount of heat released by a given reaction, causing the temperature of 500 mL water…

A: Volume of water = 500 ml Density of water = 1 g/ml Change in temperature = 5.2 ℃  Specific Heat of…

Q: What is the amount of heat released (in kJ) when 60.0 g of Fe is produced according to the following…

A: Correct answer is - 458 kJ. Molar mass of Fe = 55.845 g/mol By stoichiometry of reaction: Heat…

Q: A student dissolves a sample of barium hydroxide to make a 125-mL solution and then titrates it with…

A: The balanced equation is Ba(OH)2 + 2 HCl ----------> BaCl2 + 2 H2O ΔH for this reaction is –54…

Q: The standard enthalpy change for the following reaction is -1.55×103 kJ at 298 K. 2 Fe(s) + 10…

A: Standard enthalpy change for the given chemical reaction

Q: A system undergoes a process consisting of the following two steps:Step 1:The system absorbs 72 J of…

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

Q: For the reaction 2 CO(g) + O2(g) –2 CO2(g) AG° = -522.4 kJ and AS° = -173.1 J/K at 252 K and 1 atm.…

A: ∆G is negative reaction will go in forward direction or product side You are given a relation and…

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: 2. Calculate AHº for the reaction in which zinc sulfide ore is roasted to obtain zinc oxide. ZnS(s)…

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Q: 2. Which chemical reaction below yields the heat of formation of gaseous carbon monoxide (CO)? (A)…

A: Heat of formation can be defined as the change in enthalpy involved in the formation of one mole of…

Q: Given the standard enthalpy changes for the following two reactions: (1) 2Fe(s) + O2(g)2FEO(s) AH° =…

A: Given, Standard Enthalpy of Two Reactions. Standard enthalpy of required equation can be calculated…

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: Consider the reaction.   2Fe2O3⟶4Fe+3O2      Δ?∘rxn=+824.2 kJ The formation of 77.0 g77.0 g of Fe…

A: Molar mass of Fe = 55.845 g/mol  4 moles of Fe = 223.38 gm  Means, 223.38 g Fe forms with absorption…