When aluminum and iron(III) oxide react to form iron and aluminum oxide, 851.5 kJ of energy is released. How much heat in kJ is evolved when 5.00 g of aluminum reacts with a stoichiometric amount of Fe2O3

Q: 3. When potassium chloride reacts with oxygen under the right conditions, potassium chlorate is…

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Q: The value of AU for the combustion of propane, C3H8, is -185.81 kJ. What is the heat of formation of…

A: Heat of formation of propane can be calculated as given below.

Q: When one mole of calcium carbonate reacts with ammonia, solid calcium cyanamide, CaCN2, and liquid…

A: To solve this problem first we have to write the balanced chemical equation then we will calculate…

Q: The heat of formation of Fe2O3(s) is -826.0 kJ/mol. Calculate the heat of the reaction 4Fe(s) +…

A: Given information,

Q: A sample of toluene undergoes combustion in a bomb calorimeter that is insulated by 814 g of water…

A: Given: Mass of water = 814 g. Heat capacity of calorimeter = 1015 J/oC And the increase in the…

Q: How much energy is absorbed by a 2.5 g substance that has a specific heat capacity of 0.58 J/g ·°C…

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Q: The value of AH° for the reaction below is 128.1 kJ CH ,OH U - Co, 2(8) + 2H. 2(8) How may kJ of…

A: Given chemical equation is  CH3OH(l) -----> CO2(g) + 2H2(g) Enthalpy change, ∆H° = 128.1 kJ  We…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A:

Q: How much themmal energy, in joules, is required to raise the temperature of a 27.34 g sample of…

A: Consider the given information is as follows; Mass of the sample of titanium mtitanium = 27.34 g…

Q: Methanol is an organic solvent that can be used as a fuel in some automobiles. 2 CH3OH(l)…

A: Given: volume of methanol (CH3OH) = 15 mL density of methanol = 0.792 g/mL molar mass of methanol =…

Q: When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution…

A: Given data, Mass of K2SO4 = 5.25 g Mass of water = 115.60 g Initial temperature = 23.87oC final…

Q: A 531.6 g sample of sodium undergoes a temperature change of +86.75 °C while absorbing 857.4 joules…

A:

Q: When 4.88 g of a solid mixture composed of NH¼CI and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given that : The mass of the solid mixture = 4.88 g The volume of water = 100.0 mL The rise in…

Q: The work done to compress a gas is 67.0 J. As a result, 29.0 J of heat is given off to the…

A: Given, work done, w = +67.0 J Heat, q = -29.0 J

Q: The heat of formation of H2SO4 is -909.27 kj/mol. Give the thermochemical equation for the formation…

A: Here we are required to show the formation of aqueous sulphuric acid

Q: Glucose, C6H12O6, is converted into ethyl alcohol, C2H5OH(l) in the fermentation of fruit juice to…

A:

Q: A sample of nickel is heated to 99.8°C and placed in a coffee-cup calorimeter containing 150.0 g…

A: The equation used to calculate heat released or absorbed follows:        ......(1) where, q = heat…

Q: Calculate the change in the internal energy for a certain process if 800 J of work is done on the…

A:

Q: When 4.81 g of a solid mixture composed of NH4CI and Cačl2 was dissolved in 100.0 mL of water, the…

A: Please find your solution below :

Q: A 1.99 g sample of a soluble salt dissolves in 23.8 mL of water in a coffee cup calorimeter.  When…

A: Given, mass of sample of salt m = 1.99 g increase in temperature = 24.3 °C specific heat of solution…

Q: When 4.88 g of a solid mixture composed of NH4CI and CaC2 was dissolved in 100.0 mL of water, the…

A: When another component is added to a liquid (a solvent), the boiling point of the liquid (a solvent)…

Q: Slaked lime (Ca(OH)2) is produced when lime (calcium oxide, CaOs) reacts with liquid water. 65.2kJ…

A:

Q: Benzene (C6H6) burns in air to produce carbon dioxide and liquid water. How much heat is released in…

A:

Q: The standard enthalpy of combustion of ethanol (C2H5OH) is -235.1 kJ/mol. How many kilojoules of…

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

Q: When 5.70 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the…

A:

Q: A 981.8 g sample of bismuth goes through a temperature change of +46.75 °C while absorbing 784.6…

A: 1. Given :-  Mass of sample of Bi = 981.8 g  Temperature change i.e. ∆T = +46.75°C  Amount of heat…

Q: resulting

A: ∆U = q + w  Where : ∆U = change internal energy = +166kJ  Heat(q) = +762 kJ ( positive value because…

Q: Why did you use 4.184 J/goC as the specific heat capacities of the solutions? a. Because all kinds…

A: Specific heat capacities of the solutions = 4.184 J/g oC

Q: 8. Titanium reacts with iodine to form titanium (III) iodide, emitting heat. 2Ti(s) + 31,(g)→…

A: Atomic mass of Ti = 47.87 g/mol Atomic mass of I2 = 253.8 g/mol Given thermochemical equation 2Ti(s)…

Q: Consider the following reaction: 2 Mg + O2  2 MgO,  Hrxn = -1,203 kJ.Calculate the amount of heat…

A: The enthalpy change or heat released/absorbed during a chemical reaction as represented by a…

Q: The oxidation of the sugar glucose, C6H12O6, is described by the following equation: C6 H12 O6(s) +…

A: (a)Amount of heat (in kilojoules) produced by the metabolism of 1.0 g of glucose is determined as…

Q: A 3.623 g sample of a new organic material is combusted in a bomb calorimeter. The temperature of…

A: Given, The weight of sample is 3.623 g. The given temperature values are 23.53 ˚C and 30.40 ˚C. The…

Q: When 5.49 g of a solid mixture composed of NH,Cl and CaClz was dissolved in 100.0 ml of water, the…

A: Given that -  Mass of mixture of NH4Cl and CaCl2 = 5.49 g  Volume of water = 100 mL  Increase in…

Q: CH4 + 202 → CO₂ + 2H₂O AH-890kJ/mol How much heat is released when 2.7 g of methane gas is burned in…

A: Here we are required to find heat released when 2.7 gm of methane is burnt

Q: A typical fat in the body is glyceryl trioleate, C57H104O6. When it is metabolized in the body, it…

A: a). It is given that glyceryl trioleate, C57H104O6 combines with oxygen to produce CO2 and water.…

Q: In a gas expansion, 74 J of heat is absorbed from the surroundings, and the energy of the system…

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

Q: 2. A sample of nickel is heated to 99.8°C and placed in a coffee cup calorimeter containing 150.0 g…

A: Nickel  Heat lost by Nickel =q lost  Mass of Nickel = m = ..........? Initial temperature of Ni = T1…

Q: Calculate ΔE of a gas for a process in which the gas evolves 24 J of heat and has 9 J of work done…

A: Applying 1st law of thermodynamics  ΔE = q + w  where ΔE is change in internal energy , q = heat…

Q: An 80.0 g sample of a gas was heated from 25 °C to 225 °C. During this process, 346 J of work was…

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

Q: Apply the First Law of Thermodynamics to answer the following: a. If a system does 475 J of work on…

A: According to the first law of thermodynamics, the internal energy change, work and heat are related…

Q: A metal cools from an initial temperature of 150 degrees C to 50 degrees C and releases 190 J of…

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

Q: How much heat is released by a system when 45 J of work is done on it to decrease its energy to 23…

A: The objective of the question is to calculate the heat released by the system when : Work done (∆W)…

Q: A sample of 0.562 g of carbon is burned in oxygen in a bomb calorimeter, producing carbon dioxide.…

A: Given: Mass of carbon = 0.562 g Initial temperature = 26.74°C Final temperature=27.93°C To find; The…

Q: When N2(g) reacts with H2(g) to form NH3(g) , 92.2 kJ of energy are evolved for each mole of N2(g)…

A:

Q: Liquid hydrogen peroxide releases oxygen gas in its decomposition. 2 H2O2 — 2 H,О + O2 AHn = -196.1…

A: Given :-  2H2O2 → 2H2O + O2  ∆Hrxn = -196.1 kJ  To calculate :-  Amount of heat released when…

Q: 3. How much heat, in kilojoules, is evolved in the complete consumption of 10.00 grams of methane,…

A: Introduction :  The reaction between methane and chlorine is a type of substitution reaction.Methane…

Q: When 5.28 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A:

Q: Benzene (C6H6) burns in air to produce carbon dioxide and liquid water. Calculate the heat released…

A: to solve the question we should know the enthalpy of formation of all the reactant and product…

Q: The work done to compress a gas is 69.0 J. As a result, 37.0 J of heat is given off to the…

A: Given, Heat given off q = 37 J , work done w = 69 J , change on energy ∆U = ?

Q: 8. The oxidation of the sugar glucose, C6H1206 is described by the following equation: C6 H12 O6 (s)…

A: The oxidation of glucose can be described by following reaction: C6H12O6 (s)+ 6O2 (g) →6CO2 (g) +…