The reaction between iron(III) oxide and aluminum, to produce aluminum oxide and iron, has a heat of reaction (ΔH) equal to –851.5 kJ/mole. How much energy is released (in kJ) if 0.96 moles of aluminum are consumed?

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: Given the following thermochemical equation for the synthesis of aluminum oxide from aluminum and…

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Q: Silane, SiH4, burns according to the reaction, SiH4 + 2O2 → SiO2 + 2H2O, with ΔH° = –1429 kJ. How…

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Q: 5.62 Write the equation for calculating the enthalpy of a reaction. Define all the terms.

A: The equation for calculating the enthalpy of a reaction has to be given and all the terms have to…

Q: Burning 1.22 g of a fuel causes the water in a calorimeter to increase by 12.7°C. If the calorimeter…

A: Given, Mass of fuel = 1.22 g∆T = 12.7°CHeat capacity of calorimeter , Cc = 3.09 kJ/°cSpecific heat…

Q: Titanium reacts with iodine to form titanium(III) oxide as shown below. Calculated the heat emitted…

A: Given data, Mass of titanium=29.7gMass of iodine=198g∆H for the reaction=-839kJ

Q: To treat a burn on his hand, a person decides to place an ice cube on the burned skin. The mass of…

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Q: how much energy in kilojoules is produced when 1.00 g of propane is completely combusted?

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Q: What is the heat energy required to raise the temperature of 13 grams of dry air from 2 ̊C to 16 ̊C

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: The curve given below shows what type of reaction? If Energy of reactants is 90 KJ and Energy of…

A: Enthalpy change is the difference between the enthalpies of products and the enthalpies of reactants…

Q: The thermite reaction, Fe2O31s2 + 2 Al1s2 ¡ 2 Fe1s2 + Al2O31s2, ∆H° = -851.5 kJ>mol, is one of…

A: Given data: In the given  thermite reaction heat is released per mole of Al2O3 need to calculate.…

Q: Calcium hydroxide and hydrochloric acid react through a double replacement reaction that absorbs…

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Q: 1.The combustion of methane gas, the principal constituent of natural gas, is represented by the…

A: Recall the given reaction CH4g + 2 O2g → CO2g + 2 H2Ol     ,  ∆H°=-890.3 kJ We have to find the mass…

Q: How much heat is released by the formation of 18.0 g of CACO,? Show the conversions required to…

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Q: 8. The caloric content of some pasta (listed on the side of the box of pasta!) is 4.000 kcal per…

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: For the reaction H2(g) + 1/2 O2(g) --> H2O(g), DHo = -241.8 kJ/mol. what mass of H2(g) in grams is…

A: To solve this problem we have to use the given thermochemical equations. First we have to write the…

Q: A 0.1694 g sample of benzopenone(C13H10O) is burned in a bomb calorimeter that has a heat capacity…

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Q: The thermite reaction involves aluminum and iron(III) oxide 2Al(s) + Fe,03(s) → Al203(s) + 2Fe(l)…

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Q: Magnesium burns in air to produce a bright light and is often used in fireworks displays. The…

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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: 23.  If a reaction produces 1.506 kJ of heat, which is trapped in 30.0 g of water initially at 26.5…

A: Calorimeters play a major role in estimating reaction's heat with the known specific heat of…

Q: Given the thermo-chemical equation N, (g) + 3 H, (g) → 2 NH, (g) AH = -91.8 kJ %3D How much energy…

A: Nitrogen reacts with hydrogen to form ammonia. The equation for the balanced chemical reaction is as…

Q: When 5.69 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given that

Q: 1.5 L of water is heated from 22.4°C to 98.5°C to make a cup of tea. How much heat in megajoules…

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Q: (a) Consider the hypothetical element X. XO reacts with hydrogen gas to form XH;OH. Calculate the…

A: Here we have to find out the enthalpy of the reaction of XO with the hydrogen gas to form XH3OH.  XO…

Q: The combustion of propane is given by the following reaction. C3H8 + 3 O2 → 3 CO2 + 4 H2O The…

A: Given, Reaction : C3H8 + 3 O2 → 3 CO2 + 4 H2O Mass of propane = 55.11 grams Molar mass = 44.11 g/mol…

Q: 6.8 What mass of butane in grams is necessary to produce 1.5 X 10' kJ of heat? What mass of CO2 is…

A: The balanced chemical equation for the combustion of methane is, C4H10+132O2→4CO2 + 5H2O 58 g of…

Q: If a reaction occurs in 100g of water that raises the temperature of the water from 20°C to 30°C,…

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Q: 9:15 Part 1 Several chemical reactions happen in bioluminescent algae. One of the most important is…

A: If energy is absorbed during a process, then reaction is endothermic and if energy is released…

Q: The combustion of propane is given by the following reaction. C3H3 + 3 02→3 CO2 + 4 H20 mol- How…

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Q: combustion for each of the gases and then balance. Are these reactions endothermic or exothermic?…

A: Hydrocarbons burns in presence of air to give CO2 and water.  C3H8 + 5O2 -> 3CO2 + 4H2O + heat…

Q: The thermite reaction involves aluminum and iron(III) oxide, 2Al(s) + Fe2O3(s) ( Al2O3(s) + 2Fe(l)…

A: The enthalpy change of a chemical reaction can be calculated by the standard heat of formation of…

Q: 7.312 g of dry ice (solid carbon dioxide) is placed in a sealed 2.000 L bag in a room where the…

A: Moles of carbon dioxide used = Mass of dry iceMolar mass of CO2=7.312 g44 g/mol=0.166 mol

Q: The combustion of 1.00 mol of glucose, CeH1206, liberates 2.82 x 10 kJ of heat. If 1.25 g glucose is…

A: Given that : Heat liberated by 1.00 mol of glucose = 2.82 x 103 kJ The mass of glucose used = 1.25 g…

Q: The meals-ready-to-eat (MREs) in the military can be heated on a flameless heater. You can purchase…

A: Reactions giving out heat are termed as exothermic and these are always associated with a specified…

Q: .a Explain why the bond enthalpy of a molecule is usually defined in terms of a gas- phase reaction.…

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Q: 2. A 35 g metal ball made up of a mixture of element X and element Y is heated up to 77C and dropped…

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Q: Silane, SiH4, burns according to the reaction, SiH4 + 2O2 → SiO2 + 2H2O, with ΔH° = –1429 kJ. How…

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Q: .A sample of solid sodium was reacted with chlorine gas to give 4.36 g of pure NaCl.  The energy…

A: Heat of formation of a compound is the heat change when one mole of that particular compound formed…

Q: With a platinum catalyst, ammonia will burn in oxygen to give nitric oxide, NO. 4NH3 (9) + 502 (g) →…

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Q: Water that contains deuterium rather than ordinary hydrogen is called heavy water. The specific heat…

A: Given,specific heat of heavy water at 25 deg. C. is 4.217J/g deg. CMass of water = 10gChange in…

Q: The combustion of propane gas (C3H8; molar mass = 44.09 g/mol) occurs according to the following…

A: The balanced Chemical equation for combustion of propane gas given in question is - C3H8(g)  +…

Q: Using the equation for photosynthesis below, answer the following equations 2800KJ + 6 CO2 (9) + 6…

A: Given: Given photosynthesis reaction: 2800 kJ+6CO2(g)+6H2O(l)→C6H12O6(s)+6O2(g)

Q: Propane (C3H8) is the commonly used fuel in our barbeques at home. It is a great fuel because it…

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Q: When a reaction that was known to release 17.55 kJ of heat took place in a calorimeter and…

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Q: A reaction is allowed to take place in an insulated container containing 100 mL of water. If the…

A: Answer : As it is an isolated chamber in which the reaction occurs and also it is containing 100 mL…

Q: Silane, SiH4, burns according to the reaction, SiH4 + 2O2 → SiO2 + 2H2O, with ΔH° = –1429 kJ. How…

A: Mass of Silane (SiH4) is 28.086g/mol + 4 x 1.008 g/mol  So Mass of Silane = 32.094g

Q: Consider the following reaction: C3H8 + 5 O2 --> 3 CO2 + 4 H2O If the overall reaction has an…

A: Enthalpy of reaction = -2220 KJ/mole  This means that 2220 KJ heat is released when 1 mole of C3H8…