Calculate the change in enthalpy for the reaction.   4XY3+7Z2⟶6Y2Z+4XZ2

Q: Iron reacts with oxygen to form one mole iron (III) oxide releasing 826 kJ of heat. How much heat is…

A: The balanced reaction is – 2Fes + 32O2 g→Fe2O3s∆H = - 826 kJ

Q: Determine the enthalpy change for the reaction: 3C2H2(g)   →   C6H6(l)      given the following…

A: • Given,    2C6H6(l)+1502(g)⟶12C2(g)+62O(g),ΔH=−6271kJ   — (i)…

Q: 2-Given the thermochemical equations   X2+3Y2⟶2XY3Δ?1=−340 kJ X2+3Y2⟶2XY3ΔH1=−340 kJ…

A: X2  +  3Y2          ⟶  2XY3           ΔH1 = −340 kJ ......................(1) X2  +   2Z2        ⟶…

Q: Given the thermochemical equations X₂ + 3 Y₂2 XY3 X₂ +2Z₂ → 2XZ₂ - AH₁ = -390 kJ AH₂ = -160 kJ 2 Y₂…

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Q: Methanol, CH3OH, boils at 65°C. What is the enthalpy change during the process in which 16.0 g of…

A: Mass of liquid methanol    = 16 g specific heat of methanol  = 2.53Jg oC

Q: The standard enthalpy of formation for sugar [C12H22O11(s)] is −2221.2 kJ/mol. What is the correct…

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Q: 2. A complete combustion reaction occurs between 37.5 g of C4H10, butane gas and oxygen gas and…

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Q: In the following experiment, a coffee-cup calorimeter containing 100 mL of H20 is used. The initial…

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Q: ve the brown gas NO2. When one mole of NO reacts with oxygen, 57.0 kJ of heat are evolved. Which of…

A: In thermodynamics, temperature, heat, and energy changes are observed for every reaction. When heat…

Q: 1. Write a balanced chemical reaction for the combustion of methanol to CO2 and  H20. A.. Calculate…

A: ∆The balanced chemical reaction for the combustion of methanol to form CO2(g) and H2O(l) is given by…

Q: Ammonia is used in the formation of hydrogen cyanide.   NH3(g) + CH4(g) → HCN(g) + 3 H2(g)…

A: According to Hess law of constant heat summation, the total enthalpy of a reaction is the sum of all…

Q: Given the following thermochemical equations: C2H2(6) +;02@) → 2C0) + H20a) C(s) + 02(9) → C026) AH°…

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Q: Chaeyoung wants to study the heat transfer between a 50 g of heated block of iron (cFe = 0.449 J/g…

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Q: 2.929 g of NH4Cl (53.19 g/mol) are added to 50.0 mL of water (18.02 g/mol, density = 1.00 g/mL) and…

A: Enthalpy change can be calculated by a general caloriemeter formula i.e. - Q = mS (ΔT) Here,   Q =…

Q: Ql- Use the thermochemical equations given below to calculate the enthalpy change for the following…

A: At constant pressure, the amount of heat released or absorbed in a chemical reaction is called…

Q: When 0.0500 mol of HCI(aq) is reacted with 0.0500 mol of NaOH(aq) in 50.0 mL of water, the…

A: Answer - The correct option is - (c) –55.8 kJ  According to the question - Given - q = Cp*T =…

Q: Isooctane (2,2,4-trimethylpentane), one of the many hydrocarbons that make up gasoline, burns in air…

A: Consider the given balanced equation is as follows; 2 C8H18(l)  +  25 O2(g)   ⟶  16 CO2(g)  +…

Q: Nitroglycerin is a powerful explosive that forms four different gases when detonated: 2…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: Calculate the enthalpy of combustion (kJ/mol) of cetane (C16H34), an analogous component in diesel…

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Q: Given the thermochemical equations X2 + 3Y2 ⟶ 2XY3   ΔH1 = −380 kJX2 + 2Z2 ⟶ 2XZ2   ΔH2 = −180 kJ…

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Q: The hypothetical element X and an oxide of X undergo the following reactions with oxygen, with the…

A: According to Hess law the standard enthalpy of reaction is equal to the sum of enthalpies of…

Q: Pentane (C5H12) is a component of gasoline  that burns according to the following balanced equation:…

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Q: Given the thermochemical equations   A(g)⟶B(g)                  Δ?=70 kJ     B(g)⟶C(g)…

A: Enthalpy changes for the given reaction is determined as follows,

Q: Consider the reaction Naz CO3 (s)→Na2O(s) + CO2(g) with enthalpy of reaction AHrxn° = 321.5kJ/mol…

A: Enthalpy change is the amount of heat evolved or absorbed in a reaction carried out at constant…

Q: Calculate the enthalpy change that occurs when 18.0 g of nitroglycerin is detonated. The standard…

A: A concept which is used  when heat and work is needed to be calculated in science and engineering.…

Q: (b) Hydrogen sulfide, H2S, is formed from the following reaction: H2(g) + Sa(s) → H2S(g) Determine…

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Q: Given the thermochemical equations   X2+3Y2⟶2XY3        Δ?1=−390 kJ   X2+2Z2⟶2XZ2…

A: Given: (1) X2 + 3Y2⟶ 2XY3    .........1           Δ?1=−390 kJ (2) X2 + 2Z2⟶ 2XZ2 ...............2…

Q: The enthalpy change for Photosynthesis can be represented as the following thermochemical equation.…

A: Photosynthesis is the chemical process where the plant absorbs sunlight and converts into a glucose…

Q: Calculate the enthalpy of combustion (kJ/mol) of cetane (C16H34), an analogous component in diesel…

A:

Q: Verify the Hess's Law by calculating the % difference using the following thermochemical equations:…

A: The reactions given are, 1) 2) 3)

Q: During volcanic eruptions, hydrogen sulfide gas is given off and oxidised by air a ne following…

A: A) Use given equation to get the final answer

Q: ven the thermochemical equations   X2+3Y2⟶2XY3Δ?1=−390 kJX2+3Y2⟶2XY3ΔH1=−390 kJ

A: Applying concept of Hess's law of thermochemistry .

Q: Given the thermochemical equations X2+3Y2⟶2XY3  ΔH1=−390 kJ X2+2Z2⟶2XZ2  ΔH2=−120 kJ 2Y2+Z2⟶2Y2Z…

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Q: Hydrogen cyanide is a highly poisonous, volatile liquid. It can be prepared by the reaction CH, (9)…

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Q: Determine the enthalpy change, AH°, for the following reaction; N2(g) + 2H2(g) → N2H4() Given the…

A: Determine the enthalpy change of the following reaction ---

Q: Given the following thermochemical equation CH4 (g) + 2O2 (g ) ⟶ CO2(g) + 2H2O…

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Q: 8. Determine the enthalpy of the following reaction given the data: 2N2() + 502g) → 2N½Osg) H22) +…

A: Given-> 2N2(g) + 5O2(g) ---> 2N2O5(g)

Q: Which has a higher enthalpy on each set of thermochemical equation below. And why is that so?   a.…

A: Enthalpy: It is property of a system which tells about the heat content pf that system. Change in…

Q: the thermochemical equation: 2H2S(g) + 3O2(g) --> 2H2O(I) + 2SO2(g) has a standard enthalpy of…

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Q: "Use the following data to calculate the specific heat of the metal unknown. M(metal) = 35.0 g,…

A: The initial temperature of the water is higher than the initial temperature of the metal. Hence the…

Q: Determine the change in enthalpy (kJ/mol) for the following reaction. Use significant figures…

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Q: The hypothetical element X and an oxide of X undergo the following reactions with oxygen, with the…

A: Answer: -150 KJ  Solution:

Q: The thermal decomposition can be written as Al2O3(s) → 2Al(s) + 3 ⁄2O2(g) ΔH = 1676.0 kJ What is…

A: Mole: It is the unit of measurement for the amount of a substance. The number of moles of a…

Q: Given the thermochemical equation 2502(9) +O2(9) 2S03(g). AH pxn= -198 kJ/mol, how much heat is…

A: Here to calculate total heat evolved in reaction.

Q: Given the thermochemical equations X2+3Y2⟶2XY3ΔH1=−330 kJX2+3Y2⟶2XY3ΔH1=−330 kJ X2+2Z2⟶2XZ2ΔH2=−120…

A: Given the thermochemical equations X2+3Y2⟶2XY3ΔH1=−330 kJ (a) X2+2Z2⟶2XZ2ΔH2=−120 kJ (b)…

Q: Use the following 2 thermochemical equations: 2NO2→ N2 + 20, AH=-677 kJ N2 + 202 N204 AH= 9.7 kJ…

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Q: Isooctane (2,2,4-trimethylpentane), one of the many hydrocarbons that make up gasoline, burns in air…

A: Given reaction is as follows: 2C8H18(l) + 25O2(g) → 16CO2(g) + H2O(l)     ∆H=-10,922 kJ The enthalpy…

Q: When 0.638 of sodium metal is added to an excess of hydrochloric acid, 6630j of heat are produced.…

A: The balanced chemical equation is as follows: 2Na(s)+2HCl(aq)⟶2NaCl(aq)+H2(g) The molar mass of Na =…

Q: During volcanic eruptions, hydrogen sulfide gas is given off and oxidised by air according to the…

A:

Q: The balanced thermochemical equation for the combustion of exactly one mole of propane is: C3H8 (g)…

A: Given equation is C3H8 (g) + 5 O2 (g) → 3 CO2 (g) + 4 H2O(l) ΔH = -2220 kJ/mol  Let this be equation…