A chemist measures the energy change AH during the following reaction: 2 Fe,O3(s) → 4 Fe(s)+O,(9) AH=560. kJ Use the information to answer the following question. Suppose 43.1 g of Fe,O3 react. Calculate how much heat will be released or I kJ absorbed. ? Be sure your answer has the correct number of significant digits.

Q: The following thermochemical equation is for the reaction of N₂ (g) with H₂ (g) to form NH3(g).…

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Q: The following thermochemical equation is for the reaction of HCl(g) with NH3 (9) to form NH4Cl(s)…

A: This is exothermic reaction as ∆H of the reaction is negative.  1 mole ammonia react with 1 mole…

Q: e the information to answer the following questions. This reaction is... Suppose 41.0 g of NH3…

A: The given data: 2NH3(g) ==> N2(g) + 3H2(g)∆H° = 160 KJ When ∆H° is positive,  it means heat is…

Q: Consider the following chemical reaction which produces HCI from its constituent elements: H2 (g) +…

A: The correct option with explanation is provided in the next step:

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: 5. Calculate the approximate final temperature of water in a coffee cup calorimeter if 33.9 kJ of…

A: Use calorimetry principle to get answer Heat flow from high temperature to low temperature. Heat=…

Q: A chemist measures the energy change AH during the following reaction: 2 HgO(s) → 2 Hg(1)+O2(g) AH=…

A: Given reaction is, 2 HgO (s)  →  2 Hg (l) + O2 (g)                     ∆H = 182 kJ As,  ∆H is…

Q: A piece of cobalt originally at 90.6°C was placed into a coffee cup calorimeter containing 200.0…

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Q: The highly exothermic thermite reaction, in which aluminum reduces iron(III) oxide to elemental…

A: The given balanced thermochemical equation is 2Al(s) + Fe2O3(s) → 2Fe(s) + Al2O3(s), ΔH = -850 KJ…

Q: When H₂(g) reacts with O₂(g) according to the following reaction, 242 kJ of energy are evolved for…

A: Thermochemical equation- 2 H2(g) + O2(g) -----> 2 H2O(g)   ∆H = 242 KJ energy evolved For each…

Q: When SO₂(g) reacts with O₂(g) according to the following reaction, 98.9 kJ of energy are evolved for…

A: When the heat is evolved in the reaction, then it is called as exothermic reaction.  the sign of…

Q: What is the q (heat) for 140.2 g of PCl3 decomposing to form chlorine gas and elemental phosphorus?…

A: Decomposition reaction of PCl3 is ,∆H°rxn =1207 kJMass of PCl3 = 140.2 g Molar mass of PCl3 = 137.32…

Q: When methanol, CH, OH, is burned in the presence of oxygen gas, O,, a large amount of heat energy is…

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Q: A coffee cup calorimeter, including that water it contains, has a heat capacity of 425 J/K, and is…

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Q: How much heat is released when a mixture containing 10.00 g NH3 and 20.00 g O₂ reacts according to…

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Q: A chemist measures the energy change AH during the following reaction: Cl₂(g)+H₂(g) → 2 HCl(g) ΔΗ=…

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Q: d. Calculate the amount of heat released w to the following chemical equation (5 m

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Q: When methanol, CH,OH, is burned in the presence of oxygen gas, O,, a large amount of heat energy is…

A: We have to calculate the amount of heat released and limiting reactant.

Q: Calculate the heat change (q) in J when 8.111 grams of water is cooled from 1.472 ºC to -2.592 ºC.

A: The heat change during a temperature change ca be calculated as follows. q=mc∆Tq=heat…

Q: 5. A 0.3675 g sample of solid magnesium is burned in a constant-volume bomb calorimeter that has a…

A: The heat given by 0.3675 g of Mg to the calorimeter (q) is calculated using equation (1) where C is…

Q: A chemist measures the energy change AH during the following reaction: CH₂(g) +20₂(g) → CO₂(g) +…

A: To solve this problem first we have to calculate the number of moles of CH4 then we will calculate…

Q: The molar heat of solution (AH,0ln) of sodium hydroxide is -445.1 kJ/mol. In a certain experiment,…

A: Molar heat of solution is defined as the energy released or absorbed per mole of solute being…

Q: A chemist measures the energy change AH during the following reaction: Cl₂(g) + H₂(g) → 2 HCl(g) Use…

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Q: Consider the reaction of hydrogen with sulfur to form hydrogen sulfide: 8H₂ (g) + S8 (s) → 8H₂S(g),…

A: The difference in the enthalpy of the products and reactants is known as the enthalpy change of the…

Q: The overall reaction in commercial heat packs can be represented as the reaction below. 4 Fe(s) + 3…

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Q: A chemist measures the energy change AH during the following reaction: 2 NO₂(g) → N₂O4(9) - Use the…

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Q: chemist measures the energy change AH during the following reaction: 2 NH3(g) → N₂(g) + 3H₂(g) ΔΗ=…

A: The given data:  2NH3(g) ==> N2(g) + 3H2(g) deltaH° = 160 KJ  When deltaH is positive,  it means…

Q: When methanol, CH, OH, is burned in the presence of oxygen gas, O,, a large amount of heat energy is…

A:

Q: The following thermochemical equation is for the reaction of H₂ (g) with Cl₂ (g) to form HCl(g). H₂…

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Q: The reaction between sodium metal and chlorine gas produces 822 kJ of heat energy for every chlorine…

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Q: The reaction between sodium metal and chlorine gas produces 822 kJ of heat energy for every chlorine…

A: The number of moles of any substance can be obtained by dividing the mass by molar mass which may be…

Q: When 2 moles of C2H6(g) react with O2(g) to form CO2(g) and H2O(g) according to the following…

A: Given : Amount of heat evolved in the reaction = 2.86 X 103 KJ And moles of C2H6 reacted = 2 moles

Q: A gas expands and does work on the surroundings equal to 2.17 L atm. At the same time, it releases…

A: First law of thermodynamics It states that the internal energy of a system is equal to the heat…

Q: A gas expands and does work on the surroundings equal to 3.55 L atm. At the same time, it releases…

A: Energy is calculated as follows

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 286.0 g sample…

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

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Q: 15. The combustion of methane, CH4, releases 890.4 kJ/mol according to the reaction: CH4(g) + 20z(g)…

A: Given, Chemical Equation: CH4 + 2O2 ---> CO2 + 2H2O  ∆H = -890.4 KJ

Q: When methanol, CH3OH,CH3OH, is burned in the presence of oxygen gas, O2,O2, a large amount of heat…

A: Given: mass of methanol =22.9 g           mass of oxygen = 35.6 g To find: the Amount of heat…