How much work is done at 25 °C during the combustion of 2.03 g of ethanol, C2H5OH?

Q: When a 5 gram sample of a pure element absorbs 23.1 J of energy, it’s temperature increases from…

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Q: The value of ΔHorxn for the following reaction is -289.0 kJ/mol. 2 ZnS(s)  +  O2(g)  →  2 ZnO(s)  +…

A: The change in enthalpy of a forward and backward reaction is same in magnitude but opposite in…

Q: A 53.6 g sample of ethanol (C2H5OH) is burned in a bomb calorimeter, according to the following…

A: The mass of ethanol burned is = 53.6 g The molar mass of ethanol is = 46.07 g/mol An increase in the…

Q: Assume the following 5 pure substances all have the same mass of 50 grams, and absorb the same…

A: The specific heat capacity for a given chemical substance or a solution refers to the amount of the…

Q: Consider a hypothetical ionic compound AB (comprised of A+ and B¯ ions). Given the following…

A: The Born-Haber cycle is primarily used to determine the lattice energy of an ionic compound formed…

Q: he energy density of a fuel is 64.36 kJ/g. A 63.61-g sample is burned in an apparatus with a…

A: Energy density= 64.36 kJ/g  Mass = 63.61 g  Energy(q) ) = 64.36 × 63.61    = 4093.9396 kJ  Energy…

Q: The combustion of 1.548 g of carbon disulfide, CS2(l), in a bomb calorimeter with a heat capacity of…

A: Given that : Mass of Carbon disulfide = 1.548g Heat capacity = 5.90kJ/°C Temperature difference =…

Q: A chemist measures the energy change AH during the following reaction: Cl,(g)+H,(g) → 2 HCl(g)…

A: Exothermic reactions are those in which energy is released.

Q: Suppose we combust a 0.794 g sample of hexane (C6H14, molar mass = 86.18 g/mol) in a bomb…

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Q: A student runs two experiments with a constant-volume "bomb" calorimeter containing 1300. g of water…

A: C2H5OH + 3O2 = 2CO2 + 3H2O 1) The above reaction is…

Q: A 800 mg sample of magnesium was burned in an oxygen bomb calorimeter. The total heat capacity of…

A: Given,  Mass of Mg = 800 mg  Total heat capacity = 5760 J/K  Enthalpy of combustion of Mg = -602.0…

Q: thermometer A 59.1 g sample of quartz is put into a calorimeter (see sketch at right) that contains…

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Q: A student runs two experiments with a constant-volume "bomb" calorimeter containing 1300. g of water…

A: Given that: Mass of water = 1300 g Mass of benzoic acid = 5.500 g Temperature change for the…

Q: A 100-W light bulb is placed in a cylinder equipped with a moveable piston. The light bulb is turned…

A: The energy given by the bulb=100 watt×0.015 hour=100 Js×54s=5400 J

Q: Calculate ΔrH for the reaction:  CH4(g) + 4Cl2(g) → CCl4(g) + 4HCl(g) Use the following data C(s)…

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Q: When 1.550 g of a particular flammable liquid is burned in a bomb calorimeter, the temperature rises…

A: We have to calculate the value of ∆Erxn

Q: A student followed the procedure in the lab manual to determine the heat capacity of the…

A: Let's break down into the steps for finding the heat capacity of the calorimeter:1. Calculate heat…

Q: of glas Starts ofI insulated container at 95.2 °C and the temperature of the water starts off at…

A: We will use calorimetry principle

Q: Consider the following reaction: 2 H, + O,-> 2 H,O A. H=- 483.6 kJ/mol rxn a Is this reaction…

A: Given that : enthalpy of reaction ∆H = 483.6 kJ/mol We need to check if reaction is exothermic or…

Q: Use this information, and any other information you need from the ALEKS Data resource, to answer the…

A: Mass of water in bomb calorimeter=1200 gMass of ethylene=4.290 gMolar mass of ethylene=25…

Q: A0.5210, sample of magnesium was burned in an oxygen bomb calorimeter. The total heat capacity of…

A: Given  mass of magnesium = 0.5210 g  heat capacity of calorimeter + water = 5760 Jo C change in…

Q: 6. When a 1.0 g sample of acetylene was burned in a bomb calorimeter, the temperature increased by…

A: The number of moles of acetylene is calculated as shown below where m is the given mass of acetylene…

Q: A student runs two experiments with a constant-volume "bomb" calorimeter containing 1300. g of water…

A: a.) Exothermic reaction is that reaction in which heat is released and endothermic reaction is that…

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: How much energy is evolved during the reaction of 51.2 g of Al, according to the reaction below?…

A: Given reaction: Fe2O3(s) + 2 Al(s) → Al2O3(s) + 2 Fe(s)       ΔH°rxn = -852 kJ We have to find the…

Q: A chemist measures the energy change AH during the following reaction: 2 H,O(1) → 2 H,(g)+O2(g)…

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Q: Calculate the overall change in internal energy (ΔE) for a system that absorbs 31.5 joules of heat…

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Q: A 35.6 g sample of an organic compound (molar mass 46.07 g/mol) was combusted in a bomb calorimeter.…

A: Enthalpy of reaction Enthalpy is the heat content of a reaction. During a reaction enthalpy changes.…

Q: Copper has been used for thousands of years, either as a pure metal or in alloys. It is frequently…

A: The answers are given below

Q: Determine the enthalpy of reaction for HCl(g) + NaNO₂(s) → HNO₂(l) + NaCl(s) 2NaCl(s) + H₂O(l) →…

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Q: Consider an ideal gas enclosed in a 1.00 L container at an internal pressure of 22.0 atm. Calculate…

A: As gas expands, work is done. Therefore, the work done by gas expansion is given by: w=-P∆Vw is the…

Q: What is the energy of one mole of photons having a wavelength of 550 nm and also find 2.045 g of a…

A: Given data Wavelength of photon =550 nm And for Combustion of C9H8O2  mass = 2.045 g Initial…

Q: 64.36 kJ/g. A 63.61-g sample is burned in an apparatus with a calorimeter constant of 56.13 kJ/oC.…

A: Energy density = 64.36 kJ/g  Mass = 63.61 g  Energy= mass × energy density   = 64.36 × 63.61   =…

Q: A chemist measures the enthalpy change AH during the following reaction: Sg(s) + 24 F,(g)→8 SF,(g)…

A: (i) +9672 kJ (ii) -2618 kJ (iii) +1612 kJ

Q: How much energy does an aluminum (M = 27.0) sample gain if its molar heat capacity is 24.2 J/mol•K,…

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Q: Calcium hydroxide is prepared by adding calcium oxide to water: CaO (s) + H2O (l) → Ca(OH)2 (s)…

A: Given, Calcium hydroxide is prepared by adding calcium oxide to water: CaO (s) + H2O (l) → Ca(OH)2…

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 energy density of a fuel is 64.36 kJ/g. A 63.61-g sample is burned in an apparatus with a…

A: 1- First we will determine the Heat ( Q ) of the system :  Heat(Q) = [ Energy density × mass ]…

Q: Calculate the work, w, done in kJ when a gas contracts from 40.0 L to 5.0 L against a constant…

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Q: A student runs two experiments with a constant-volume "bomb" calorimeter containing 1100. g of water…

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Q: A 2.395 gm sample of ammonium nitrate is denoated in a bomb calorimeter with a total heat capacity…

A: