How much energy is evolved during the reaction of 26.3 g of Al, according to the reaction below? Assume that there is excess Fe203 Fe2O3(s) +2 AH°rxn Al(s) Al203(s) -852 kJ +2 Fe(s) 130KJO 769KJO kJ 415 O 207KJO

Q: Iron oxide reacts with aluminum in an exothermic reaction. Fe2O3(s) + 2 Al(s) → 2 Fe(s) + Al2O3(s)…

A: The amount of energy released or absorbed in a chemical reaction is termed as the change in enthalpy…

Q: A flask containing 43.21 mol of water is heated and the temperature of water increases from 25°C to…

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Q: A chemist measures the enthalpy change AH during the following reaction: 2 HNO,(1) +…

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A: Given that:                                   ∆Hrxno For the reaction = - 146.0 KJ…

Q: Given the reactions, X(s) + 0,(g) → XO(s) AH = -765.9 kJ XCO,(s) → XO(s) + CO,(g) AH = +112.9 kJ…

A: The reactions given are 1) 2)

Q: How much energy is evolved during the formation of 102 g of Al2O3, according to the reaction…

A: Given, the heat evolved in the reaction is -852kJ.

Q: References] The reusable booster rockets of the space shuttle use a mixture of aluminum and ammonium…

A: The enthalpy change is given by  Here Enthalpy change of the reaction is the sum of heat of…

Q: 23. How much energy can be obtained from the roasting of 44.97 g of solid zinc sulfide given the…

A: Given :  Mass of zinc sulphide = 44.97 gram  Molar mass of zinc sulphide = 97.47 gm/mole

Q: For the following example, identify the following. This reaction gets hot when it occurs.    2…

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Q: In the chemical reaction below, 200 kJ of heat was released.: 2A₍ₛ₎ + 3B₍ₗ₎ → 2C₍ₛ₎ + 3D₍ₗ₎…

A: We are given heat of formation for A, B and D.  Also, the heat released in reaction is given.  We…

Q: Cassandra is trying to classify the reaction presented by the graph below and calculate the change…

A: For exothermic reaction , ∆H is negative. For endothermic reaction, ∆H is positive.

Q: A chemist measures the enthalpy change AH during the following reaction: 2 HNO,) + Mg(s)→Mg…

A: Given thermodynamical Chemical equation is - 2HNO3(l) + Mg(s) -----> Mg(NO3)2(s) + H2(g)     ∆H =…

Q: Sulfur (2.34 g) was burned in a constant volume calorimeter with excess O₂ (g). The temperature…

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Q: A chemist measures the enthalpy change AH during the following reaction: 8 SO2(g) + 16 H,S(g)→3S8(s)…

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Q: 5.81 The convention of arbitrarily assigning a zero enthalpyvalue for the most stable form of each…

A: The reason why given convention could not be applied to nuclear reactions has to be explained.

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

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Q: 3. Calculate AH for the formation of one mole of N,O, from the elements at 25°C using the following…

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Q: Sulfur (2.55 g) was burned in a constant volume calorimeter with excess O₂(g). The temperature…

A: Here we have to determine ∆U per mole of SO2 in the  combustion of 2.55 g of sulphur.

Q: A chemist measures the enthalpy change AH during the following reaction: 4 Fe(s) + 30,(g)→2 Fe,03(s)…

A: 4Fe(s) + 3O2 (g) -------> 2Fe2O3(s)    dH1 = -320 kJ 20Fe(s) + 15O2 (g) ------> 10Fe2O3 (s)…

Q: Ammonium dichromate is sometimes known as Vesuvian Fire, because of its use in demonstrations of…

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Q: A chemist measures the enthalpy change AH during the following reaction: 2 HNO3(1) +…

A: The solution is as follows:

Q: Enter your answer in the provided box. 0 Calculate AG for the following reaction at 25°C: AGº kJ/mol…

A: Oxidation is lose of electrons and reduction is gaining of electrons. The reactions where oxidation…

Q: What is AH° for the following reaction? 2C,H>(g) + 50,(g) → 4CO2(g) + 2H20(1) Substance AH®,…

A: ∆H0 for the reaction will be 2 C2H2(g) + 5 O2(g) -------------> 4 CO2 (g) + 2 H2O(l) Given,  ∆fH0…

Q: 1. Calculate for the enthalpy of the following reaction between dinitrogen tetroxide, N204, and…

A: We would use given values of ∆Hf values to calculate enthalpy change.

Q: 6. Photosynthesis can be represented by the equation 6CO:(g) + 6H,O(1I) = CH1,O6(s) + 60;(g) a)…

A: Entropy is the degree to measure the randomness of an element. The change in entropy of a reaction…

Q: 23. Given the following reactions Fe2O3(s) + 3CO(g) → 2Fe(s) + 3CO2(g) AH = -28.0 kJ 3Fe(s) +…

A: The given reactions are: Fe2O3s+3COg→2Fes+3CO2g     ∆H=-28.0 kJ3Fes+4CO2g→4COg+Fe3O4s     ∆H=+12.5…

Q: 4. The energy of reaction of benzoic acid is AUo =-26.41 kJ g'. If 1.019 g of benzoic acid was used,…

A: Given,  Energy of reaction of benzoic acid = ΔUrxn = -26.41 KJ.g-1  Mass of benzoic acid = 1.019 g…

Q: 15 10 Extent of reaction (a) What is the Enthalpy of the above energy curve? O 30 KJ O20 KJ 43 KJ 14…

A: In the given energy coordination diagram, A act as reactant, B act as intermediate and C act as…

Q: A chemist measures the enthalpy change AH during the following reaction: 2 KCl(s) + 30,(g)→2 KC1O…

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Q: 3. Calculate AG° for the combustion of ethane 2C,Hale) + 702le) → 4CO2() + 6H,O) With the following…

A: Combustion can be defined as a chemical reaction between substances including oxygen and leads to…

Q: [Reforences) Sulfur (2.67 g) was burned in a constant volume calorimeter with excess O2(g). The…

A: The amount of heat transferred in a system is calculated as follows,…

Q: A chemist measures the enthalpy change AH during the following reaction: 2 Al(s) + Fe,O3(s)→Al,03(s)…

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

Q: Calculate ∆H for the reaction 4NH3 (g) + 5O2 (g) → 4NO (g) + 6H2O (g), from the following data. 1.N2…

A: Solution :  Hess's Law The chemical reaction can be written as the addition of two or more steps and…

Q: Using the equation shown: 7A + 5B ® 3C + 4D, and the standard enthalpies of forma AH°F: A: 15.7…

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Q: 3. Hydrochloric acid is a strong acid that can be used to make sodium chloride and a weak acid,…

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Q: 5. Determine AS for the following reaction: H2 (g) + 12 (g)- 2HI (g) Substance S° (J/mol K) H2 (g)…

A: Entropy change of a reaction can be calculated by using the formula:∆S=∑S°(products)-∑S°(reactants)…

Q: 23. Calculate AG (in kJ) for the following reaction at 25°C using the data in the table below.…

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Q: 23. How much energy can be obtained from the roasting of 97.44 g of solid zinc sulfide given the…

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Q: Silane (SiH) burns according to the reaction, SiH, + 2 02 Sio, + 2 H,0 with AH° = - 1429 kJ. – 1429…

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: Given the reactions, X(s) + 0,(g) → XO(s) AH = -527.1 kJ XCO,() - → XO(s) + CO,(g) AH = +261.3 kJ…

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Q: The standard internal energy change for a reaction can be symbolized as AUxn or AExn. For each…

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Q: A chemist measures the enthalpy change AH during the following reaction: 2 Al(s) + Fe,O3(s)→Al,O3(s)…

A: The given reaction is  The reactions for which change in enthalpy is to be calculated are these.…

Q: Given the following thermochemical equations, 4B(s) + 30,(g) → 2B,03(s) AHº= -2543.8 kJ H2 (g) + ½…

A: Decomposition: Chemical decomposition, or chemical breakdown, is the process or effect of…

Q: Given the reactions, ΔΗ 891.5 kJ X(s) +0,(g) - XO(s) X0(s) + CO,(g) XCO,(s) +494.5 kJ ΔΗ what is AH…

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Q: A chemist measures the enthalpy change AH during the following reaction: 2 Al(s) + Fe,O3(s)→Al,O3(s)…

A: Enthalpy of a reaction is the net heat absorbed or released during a chemical reaction. It is…

Q: Given the following information, AHº (A2B(g)) = -225 KJ/mol AHº (BC(g)) = -160 KJ/mol AHº (AC(g)) =…

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Q: Pentaborane, Bs Ha, was once i Studied asYatpotentials roCket fuel.)calculate Srutthe heat given…

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Q: 110 CO2 e) N¿O N,O, - 393 + 81 + 9.7 3. Calculate AH at 25°C for the reaction of 1.0 mole of Carbon…

A: The given chemical reaction is as follows: C(s) + CO2(g) → 2CO(g) The enthalpy of reaction can be…

Q: A chemist measures the enthalpy change AH during the following reaction: 2 HNO,(1) +…

A: Given reaction: 2HNO3(l) + Mg(s) → Mg(NO3)2(s) + H2(g)            ∆H = -443 kJ We have to calculate…