One mole ammonium nitrate dissolves in water to produce aqueous ammonium ions and nitrate ions, accompanied by the absorption of 28.1 kJ of heat. What is the thermochemical equation

Q: For the following thermochemical equation, CH4(g) + 2O2(g) → CO2(g) + 2H2O(l)        ΔH = –890 kJ…

A: Given reaction: CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (l). ∆H = -890 kJ. So, 890 kJ of heat is released…

Q: In the laboratory a student finds that it takes 75.4 Joules to increase the temperature of 13.3…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: 2. Thirty-two joules of heat is added to a 255 gram iron bar How much will the iron bar's…

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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: how many millimoles of ethanol would need to be burned to generate 8370 joules of energy? the heat…

A: Heat of combustion is defined as the heat released when 1 mole of reactant is combusted. Hence, heat…

Q: The complete combustion of a small wooden match produces approximately 512 cal of heat. How many…

A: Given, The approximate amount of heat produced by the combustion of a small wooden match = 512 cal…

Q: A calorimeter is used to measure the heat absorbed or released in a chemical .1 or physical process…

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Q: From the given chemical equation, solve for the heat evolved (in kJ) when 78.96 g of carbon dioxide…

A: Number of mols = weight/ molecular weight

Q: A jeep performs 10,000 joules of work on its surroundings and releases 20,000 joules of heat. How…

A: The internal energy of a system is a state function (depends only on the initial and final state).…

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

A: Required amount of reactant calculation to produce given amount of heat using the given value of…

Q: How much heat is evolved when 453.5 g of ammonia (NH3) is produced according to the following…

A: Given Reaction is - N2 (g) + 3H2 (g) → 2NH3 (g)                  ΔH= -91.8 kJ

Q: A system releases 689 kJ of heat and does 105 kJ of work on the surroundings. ▾ Part A What is the…

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Q: The gas in a piston (defined as the system) is warmed and absorbs 645 J of heat. The expansion…

A: Given:Heat absorbed = 645 JWork performed =  340 JWhat is the change in internal energy ?

Q: When a metal at a higher temperature is transferred to water at a lower temperature, heat is…

A: A calorimeter is a device used to determine the quantity of heat involved in the chemical or…

Q: An iron bar of mass 869 g cools from 94°C to 5°C. Calculate the heat released (in kilojoules) by the…

A: Q = m . s . ∆T

Q: An automobile engine provides 560 Joules of work to push the pistons. In this process the internal…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

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

A: A numerical problem based on the heat energy released, which is to be accomplished.

Q: The energy absorbed by a certain system is -130 kj . If the system does 90kj of work on the…

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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: Aluminum has a specific heat of 0.902 J/goC. How much heat is gained when a piece of aluminum with a…

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Q: 3. 842 J of works was done for a gas to be compressed. At the same time, it releases 451 J of heat.…

A: Given -> Work = +842 J ( work done on the system) Q = -451 J ( heat released)

Q: On a mountaineering expedition, a climber heats water from 0°C to 50°C. Calculate the  mass of water…

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Q: Hydrogen sulfide, H2S, is produced during decomposition of organic matter. When 0.6850 mol H2S burns…

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

A: The combustion of methanol in the presence of oxygen can be expressed by the following chemical…

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: If we add 30.0 J of heat to 10.0 grams of aluminum, by how much will its temperature increase? The…

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Q: 6.10)A system releases 255 cal of heat to the surroundings and delivers 428 cal of work. What is the…

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Q: An automobile engine provides 565 Joules of work to push the pistons. In this process the internal…

A: In this question, we want to determine the amount of heat that must be carried away by the cooling…

Q: When thermal energy is transferred from the system to its surroundings, heat (q) is:

A: When thermal energy is transferred from the system to its surroundings, heat (q) is negative  It is…

Q: Given the thermochemical equation below, determine the amount of heat transferred when 17.5 g of…

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

A: When the heat energy is absorbed in a reaction to form products called as Endothermic reaction while…

Q: The gas in a piston (defined as the system) warms and absorbs 655 J of heat. The expansion performs…

A: The total heat of a system remains conserved. The system takes the heat and does the work, this…

Q: Limestone, CaCO3, when subjected to a temperature of 900 C in a kiln, decomposes to calcium oxide…

A: Answer:

Q: If a system absorbs heat from its surrounding, the thermochemical process is described as being __.…

A: There are two types of processes defined based on the heat transfer  1) Exothermic  2) Endothermic

Q: How much heat will be absorbed when 13.7 g of nitrogen reacts with excess O2 according to the…

A: The reaction given is, => N2 + O2 → 2 NO                        ∆H = +180 KJ. Given: Mass of N2…

Q: An automobile engine provides 624 Joules of work to push the pistons. In this process the internal…

A: Calculate heat q for the engine ?

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

A: Given reaction:

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

A:

Q: An automobile engine provides 570 Joules of work to push the pistons. In this process the internal…

A: The relationship between the q and internal energy change and work is given by  ΔE = q + w where ΔE…

Q: The air in an inflated balloon (defined as the system) warms over a toaster and absorbs 115 J of…

A: According to first law of thermodynamics, energy can neither be created nor destroyed, it can only…

Q: What is the thermochemical equation. Formation of carbon dioxide gas from carbon (graphite) and…

A: The balanced chemical equation with the description of physical states and the amount of energy…

Q: When 2 mol of potassium chlorate crystals decompose to potassium chloride crystals and oxygen gas at…

A: A thermochemical equation for a given reaction can be defined as the balanced stoichiometric…

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: Iron bar of mass 869 g cools from 94 degree C to 5 degree C. Calculate the heat released by the…

A: Given : Mass of iron = 869 g Initial temperature of iron = 94 oC And final temperature of iron = 5…

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

A: The combustion of methanol is given below.

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: The internal energy of a system increased by 982 J when it absorbed 492 J of heat. Was work done by…

A: When a system absorbs energy it means work done on the system, We know that, ∆U=982 Jq=492 J…