When 2.39 g ammonia gas is oxidized over a smooth platinum catalyst to form nitrogen monoxide gas and water, 41.1 kJ of heat are released.  Use this information to develop a complete thermochemical equation for this process, using smallest possible whole number coefficients.

Q: The specific heat capacity of a pure substance can be found by dividing the heat needed to change…

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Q: In World War II, the Germans made use of otherwise unusable airplane parts by grinding them up into…

A: The considered reaction is,

Q: Titanium reacts with iodine to form titanium(III) iodide, emitting heat, via the following reaction:…

A: Given:

Q: Sulfur dioxide gas reacts with oxygen to form sulfur trioxide in an exothermic reaction according…

A: Enthalpy of a reaction is the energy that liberated or consumed in the chemical reaction. For an…

Q: 1. A 32.07 gram sample of vanadium was heated to 75 deg. It was then dumped in which the initial…

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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: 100.0 g of unknown metal at 150 °C was placed in 1.00 L of water at 25.0 °C. The final temperature…

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Q: A 10.0 g piece of metal is heated to 80.0 ° C and placed in 100 g of 23 ° C water. When the system…

A: Specific heat of metal = 0.37  J g-1 oC

Q: Hydrogen combines with oxygen in fuel cells to produce steam. It releases heat energy of 571.7 kJ…

A: Thermochemical equation: It is defined as a balanced chemical equation that includes the physical…

Q: How much heat is released when 8.00 grams of solid magnesium react with gaseous oxygen to produce…

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Q: Combustion of 1 mol ethanol which yields carbon dioxide and water; releasing 1366.8 kJ of heat…

A: A balanced chemical equation is an equation that involves the elements along with their chemical…

Q: Calculate the final temperature of the water after 2.47g of zinc at 60.1 C is added to 29.4g of…

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Q: Heat energy of 566.0 kJ is absorbed when 2 mol carbon dioxide decomposes to carbon monoxide and…

A: When heat is released in the reaction, it is an exothermic reaction whereas if the heat is absorbed,…

Q: Consider the combustion of methane (CH). Suppose that 1789 kJ of heat are produced. What mass of O,…

A: To determine the mass of oxygen (O₂) consumed during the combustion of methane (CH₄), we'll start by…

Q: One mole of calcium oxide reacts with carbon to form calcium carbide (CaC2) and carbon monoxide…

A: the detailed answer is attached below.

Q: 1.64 L of hydrochloric acid are mixed with 735 mL of ammonia in a calorimeter. The initial…

A: Solution - According to the question - Given - 1.64 L = 1.64 * 10000 = 1640 ml Total volume = 1640 +…

Q: Reaction between nitrogen gas and oxygen gas to form nitric oxide, an exothermic reaction that…

A: Exothermic reactions : Reactions that are accompanied by the evolution of heat are called exothermic…

Q: 1. In an experiment to determine the Specific Heat of Nickel, a 66.0 g sample of Nickel metal is…

A: Answer :-  The specific heat of Nickel determined by the experiment = 0.544 J/g.°C…

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

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Q: 112. The thermochemical equation for the combustion of methanol is CH3OH (g) + 3/2 O2(g) → CO2(g)…

A: The chemical reaction of the combustion of methanol is CH3OH (g) + 3/2 O2(g) → CO2(g) + 2 H2O(l) ΔH…

Q: In a beaker 150.0 g iron is heated to the temperature of boiling water. In another beaker, 50.0 g…

A: The value possessed by all solids as well as liquids that gives heat needed to elevate temperature…

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

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Q: 4. A 505 gram piece of copper tubing is heated to 99.0 °C and placed in an insulated vessel…

A: Heat capacity: The amount of heat required to increase the temperature of a substance by one-degree…

Q: A sheet of gold weighing 10.0 g and at a temperature of 18.0°C is placed flat on a sheet of iron…

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Q: A 9.13-g sample of vanadium is heated to 99.10 °C and is then placed into 20.0 g water in a…

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Q: A sample of copper with a specific heat of 0.385 J goC is heated from 45.6 oC to 80.7 oC. What is…

A: Answer: The mass of the copper sample is 60.4 g.

Q: Combination of 1 mol sulfur to produce sulfur trioxide releases 395.3 KJ of heat energy. Write the…

A: Ordered state to less ordered state is the change in phase of the system. This change is called…

Q: How much heat (in kJ) is evolved (under standard conditions) when 97.55 g of copper reacts to form…

A: Mass of copper, Cu = 97.55 g Amount of heat evolved during formation of copper (II) oxide, CuO from…

Q: 2. A solid substance has a mass of 250 grams. It is cooled by 25.00°C and loses 4.937 kJ of heat.…

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Q: Heat energy of 566.0 kJ is absorbed when 2 mol carbon dioxide decomposes to carbon monoxide and…

A: A chemical equation represents the chemical change taking place in the reaction. The reactants…

Q: 3. A piece of metal weighing 59.047 g was heated to 100.0 °C and then put it into 100.0 mL of water…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…