Consider the following reaction: 2 Al (s) + Fe2O3 (s) → 2 Fe (s) + Al2O3 (s)    ΔH = -850 kJ What mass of iron is formed when 591 kJ of heat are released?

Q: 4. An amount of heat equal to 2500 J is added to a system, and 1800 J of work is done on the system.…

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Q: (a) If 10.6 moles of water at 35°C absorbs 12.30 kJ, what is the final temperature of the water? The…

A: Note: Since you have posted multiple independent questions in the same request, we will solve the…

Q: When a 4.25-g sample of solid sodium nitrate dissolves in 50.0 g of water in a coffee-cup…

A: The mass of sodium nitrate is = 4.25 g The mass of water is = 50.0 g The mass of solution is =…

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

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Q: 519.21 g of a cold water bath is at 26.55 ^\circ∘C. A sample of a hot metal is placed into the water…

A: Mass of water = M = 519.21 g  Initial temperature of water Ti = 26.55 °C  Final temperature of water…

Q: In a calorimeter, you mix together 31.0 grams of a solution of acid and 30.0 grams of a solution of…

A: Neutralization reaction between acid and base is an exothermic reaction. The heat released during…

Q: A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 73 J…

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Q: A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

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Q: 4. A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 73…

A: Q = ∆E + W For work done on the system: W = -ve For work done on by the system: W = +ve

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

A: The balanced reaction taking place is given as, => 2 Al (s) + Fe2O3 (s) -------> 2 Fe (s) +…

Q: If the same amount of heat were added to individual 1.0 g sample of water, methanol, and aluminum,…

A: NOTE: It will be the greatest temperature change in the question and not the energy change because…

Q: Consider the combustion of propane: C3 Hs (g) +502 (9) + 3CO2 (9) + 4H2O(1) AH = -2221 kJ A balloon…

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Q: The temperature of the cooling water as it leaves the hot engine of an automobile is 240 °F. After…

A: Given information:

Q: For a process,AE =+148 kJ and the system does 34 kJ of work on the surroundings. This means that...…

A: Given : ∆Esys = +148 kJ Work on he surroundings = 34 kJ

Q: 5.4.1 A 1.000-g sample of benzoic acid is burned in a calorim-eter to determine its heat capacity,…

A: The heat capacity of the calorimeter has to be calculated,

Q: The heat of combustion for a sample of coal is 24.0 kJ/g. What quantity of coal (in grams) must be…

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Q: How much energy is required to heat 120.0 grams of water from 2.0oC to 24.0oC? The specific heat of…

A: Given: mass of water, m=120.0 ginitial temperature of water, T1 = 2.0∘CFinal  temperature of water,…

Q: Consider the combustion of propane: C;H3 (g) +502 (g)- 3CO2(g) +4H20(1) AH = -2221 kJ A balloon is…

A: Answer :-  Mass of propane = 4292.4 g

Q: Magnesium metal reacts with HCl according to the following balanced equation: Mg(s)  +      2 HCl…

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Q: Sulfur trioxide can be removed from the exhaust gases of power plants by reaction with lime…

A: Balanced chemical equation: CaO(s) + SO3(g) ------> CaSO4 (s) ΔH ° = –886 kJ  This shows that…

Q: 1. Calculate the value of ΔE in joules for a system that loses 50 J of heat and has 150 J of work…

A: “Since you have posted a question with multiple sub-parts, we will solve first three sub- parts for…

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

A: The balanced reaction taking place is given as, => 2 Na (s) + Cl2 (g) -----> 2 NaCl (s)…

Q: A 31.74-g lead (Pb) sample at 71.58°C is placed in a constant-pressure calorimeter of negligible…

A: Given, A 31.74-g lead (Pb) sample at 71.58°C is placed in a constant-pressure calorimeter of…

Q: Which of the following would show the largest temperature change upon gaining 200 J of heat? (s is…

A: The heat is given as the following formula: Q=m×specific heat capacity×∆TQ=Heatm=mass of…

Q: Which statement is true of the internal energy of the system andits surroundings following a process…

A: The change internal energy is positive that is ∆Esys=+65 kJ.

Q: What is the AE of a system if 184 kJ of work is done on the system and it loses 267 kJ of heat?

A: We use the first law of thermodynamic for calculating the change in internal energy. This low state…

Q: Consider the thermochemical equation for the combustion of acetone (C3H6O), the main ingredient in…

A: Acetone reacts with oxygen to form carbon dioxide and water. The combustion reaction of acetone is…

Q: 9. What would be the final temperature if 8.94 x 103 joules of heat were added to 454 grams of…

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Q: If 171.4 grams of water must be heated from 8.00°C to 85.0 °C to make a cup of tea, how much heat…

A: The solution is as follows :

Q: Question attached

A: Answer: Given: Volume of water = 40.0 mL Heat capacity of calorimeter = 650 J/oC Density of water =…

Q: A fuel was used to heat water in a calorimetry experiment. When butane was burnt, 96070.0 J of heat…

A:

Q: In an experiment, 2 grams of zinc and 150 mL aq CuSO4 were made to react, then as observed, the…

A: Given: Mass of zinc reacting = 2 g Volume of CuSO4 solution = 150 mL Initial temperature of solution…

Q: Titanium reacts with iodine to form titanium(III) iodide, emitting heat:2 Ti(s) + 3 I2(g)…

A: From the given chemical equation and data it is clear that  839 KJ energy is released from two moles…

Q: 3. When 0.118 g of Zn(s) is combined with enough HCl to make 52.3 mL of solution in a coffee-cup…

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Q: A system undergoes a process consisting of the following two steps: Step 1: The system absorbs 75 J…

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Q: How much will the temperature of a cup (180 g) of coffee at 95 °C be reduced when a 45 g silver…

A: The heat lost by the coffee cup is gained by silver spoon.This relationship can be written as shown…

Q: 4.44°C

A: Given that : The mass of the solid mixture = 4.81 g The volume of water = 100.0 mL The rise in…

Q: When 36 g of a metal at 89 C is added to 48 g of water at 27 C, the temperature of the water rises…

A: specific heat (Q) =m x S x  ΔT MASS =m SPECIFIC HEAT =S CHANGE IN TEMPERATURE=ΔT

Q: A 25.0 g mold made of an alloy absorbed 250 J of heat as its temperature changed from 25 °C to 78…

A: Given information is as follows; Mass (m) of gold = 25.0 g      Heat absorbed (q) = + 250 J Initial…

Q: Nitrogen monoxide, a gas recently found to be involved in a wide range of biological processes,…

A: Exothermic reaction: When heat is evolved by the system i.e. the value of ∆H°rxn is negative.…

Q: A 29.00 g sample of metal alloy is heated to 92.6 °C; then placed in 55.23 g of water in an…

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Q: 2A + 3B → C       ΔHrxn = -125 kJ  Determine the amount of heat emitted when each of the following…

A: The enthalpy of reaction is based on the molar quantities of reactants that is given by the…

Q: 22.214 g of a metal at 99.73°C was added to 14.2 g of water at 19.05°C. The temperature of the…

A: Given: Mass of metal = 22.214 g Initial temperature of metal = 99.73 °C  Mass of water = 14.2 g…

Q: specific heat of gold is 0.129J/g C. what is molar heat capacity of gold?

A: The Question is about to calculate the Molar Heat Capacity of Gold -

Q: energylost by the Fewill be th the heat enérgy gained by- Mass of water 50.003 g Temperature of…

A: Given that :

Q: Consider the combustion of propane: C3 Hs (g) + 502(g) → 3CO2(g) + 4H2O(1) AH = -2221 kJ A balloon…

A: It is given that heat transfer process is 60.0 % efficient. So, 1.6×108 Joules of energy is actually…

Q: A metal radiator is made from 26.0 kg of iron. The specific heat of iron is 0.449 J g-1 °C-!. How…

A: Given :  Mass of iron = 26.0 kg  Specific heat = 0.449 J.g-1.°C-1  Initial temperature = 25.0°C…

Q: When octane (C8H18, density = 0.699 g/mL) undergoes complete combustion, it provides energy…

A: Interpretation- To determine the amount of heat (in KJ)  produced by the amount of octane needed to…

Q: The combustion of hydrogen-oxygen mixtures is used to produce very high temperatures (ca. 2500 °C)…

A: The question is based on the concept of chemical thermodynamics. first, we have to identify what is…

Q: Consider the combustion of propane: C,H, (9) + 50 (9) 3CO,(9) + 4H,O(1) AH=-2221 kJ A balloon is…

A: The given data contains, Heat required = 1.4×108 J Assume y grams of propane is being combusted.…