The internal energy, E, of a system is the sum of the kinetic and potential energy of all of components of the system.     What is ΔE (in kJ) for a gaseous system that increases the kinetic energy of it particles using 9,904. J of heat from surroundings and changes the potential energy by doing 5.38 kcal of work against the atmosphere at the same time?

Q: you combine 50.0 mL H2O, 50.0 mL of 2.2 M HCl(aq), and 4.088 g NaOH(s) (molar mass of NaOH = 40.00…

A: Heat absorbed or released is given by equation q = m c ΔT where, q= heat energy m = mass =104.910 g…

Q: n preparation for a study of the metabolism of an organism, a small, sealed calorimeter was…

A: The expression for the first law of thermodynamics is shown below:   Q - W = dU where; W = work done…

Q: 5 grams of an unknown compound was dissolved in 75 ml of water with an initial temperature of 22.5ᵒC…

A: Given: Weight of water = 75 ml = 75 grams Initial temperature (T1) = 22.5°C Final temperature (T2) =…

Q: When 20.0 mL of 0.200 M A9NO3 and 30.0 mL of 0.100 M NaCl, both at 24.72°C, are mixed in a…

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Q: A gas expands and does 256 J of work on its surroundings. At the same time it absorbs 220 J of heat…

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Q: When 1.49 mL of 0.410 M of HI(aq) is combined with 9.66 mL of 0.570 M of NaOH(aq) in a coffee-cup…

A: The balanced reaction for the HI and NaOH is as follows: HI(aq) + NaOH(aq) → NaI(aq) + H2O(l) The…

Q: The heat of neutralization between an acid and a base was detemined using a coffee cup calorimeter…

A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the…

Q: The enthalpy of combustion of benzoic acid (C6H5COOH) is commonly used as the standard for…

A: Calculate the moles of benzoic acid and heat released by combustion,

Q: a) Methane gas allowed to expand from a volume of 3.2 L to a volume of 8.5 L. During the course of…

A: It is given that methane gas is expanding from a volume of 3.2 L to a volume of 8.5 L, and during…

Q: 5.138 Metabolic activity in the human body releasesapproximately 1.0 × 104 kJ of heat per day.…

A: Given data: Mass of the body = 55kg Heat released by human body = 1.0×104 Heat of vaporization of…

Q: Many power plants produce energy by burning carbon‑based fuels, which also produces carbon dioxide.…

A: a) C + O2 (g) -----------> CO2 (g)    ∆H=-393.5 kJ no of moles of CO2 produced = 1mole of…

Q: During an isothermal compression of an ideal gas, 410 J of heat must be removed from the gas to…

A: Since 410 J of heat is removed from the gas, Hence heat transfer (q) = - 410 J Since the compression…

Q: using the standard molar enthalpies of formation here below. Give the answer in kJ/mol-rxn (write…

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Q: An air conditioner (AC) is a cooling device in which the inside of the house can act as the cold…

A: Work = power x time  = (1.7 x 103 W) x (24 hour) =(1.7 x 103 W) x (24x60x60 seconds) = 1.47 x 108 J…

Q: A system does 531531 kJ of work and loses 286286 kJ of heat to the surroundings. What is the change…

A: Work done by the system = 531531 KJ Loses heat to sorroundings = 286286 KJ  Change in Internal…

Q: 50.0 mL of a solution of HCl is combined with 100.0 mL of 1.15 M NaOH in a calorimeter. The reaction…

A: Given:Volume of HCl = 50 mLVolume of NaOH = 100 mLMolarity of NaOH = 1.15T = 22. 4 (before…

Q: In a calorimetry experiment, O.0242 g of calcium metal are added to 20.7 mL of 0.405 M hydrochloric…

A: Given: mass of Ca(s) = 0.0242 g Concentration of HCl = 0.405 M Volume of HCl = 20.7 mL density of…

Q: When 23.6g of calcium chloride, Was dissolved in water in a constant pressure calorimeter, the…

A: For heat capacity ,heat and temperature ,there is a relation for all: q=c×△TWhere:q= Heat…

Q: The oxidation of copper(1) oxide, Cu,O(s), to copper(II) oxide, CuO(s), is an exothermic process. 2…

A: According to the mole concept, in terms of mass, the amount of substance in moles is equal to the…

Q: 5.25mL of a 1.35M solution of sodium hydroxide is combined with 6.90mL of a 810.mM solution of…

A: The enthalpy of neutralization is 7.1790 kcal/mol.

Q: Three moles of nitrogen at 30°C are contained in a container of a certain volume. If we ignore the…

A: Given: moles of nitrogen gas = 3 mol Initial temperature (T1) = 30° C Final temperature (T2) = 250°…

Q: hydrobromic acid, HBr(aq), is added to a 100.0 mL solution of 0.300 M potassium hydroxide, KOH(aq),…

A: Molarity of HBr = 0.100 M Volume of HBr = 300 mL = 0.30 L Moles of HBr = M × V     = 0.10 × 0.30 =…

Q: A constant pressure "coffee-cup" calorimeter is used to measure the heat of reaction between 0.10 L…

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Q: What is the change in internal energy, ΔE, of the system? Note that internal energy is symbolized as…

A: According to first law of thermodynamic, The total internal energy is

Q: An instrument consisting of electric motor and a battery produced 25 kJ of work and lost 10 kJ as…

A: Since the relationship between ΔU, q and w is given as ΔU = q + w  where ΔU = change in internal…

Q: The units for s, the specific heat of the water in the calorimeter, are J/(gK) The units for ΔT can…

A: The specific heat capacity of the water can be defined as the heat required to raise the temperature…

Q: Calculate ΔH in kJ for the reaction: 2CH3OH(l) + 3O2(g) → 2CO2(g) + 4H2O(l) given that the standard…

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Q: The combustion of titanium with oxygen produces titanium dioxide: Ti (s) + 02 (g) TIO2 (s) When…

A: Titanium reacts with oxygen to form titanium dioxide. The equation for the balanced chemical…

Q: When 15.0 mL of 3.00 M NaOH was mixed in a calorimeter with 13.0 mL of 3.00 M HCl, both initially at…

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Q: How much work, w, must be done on a system to decrease its volume from 12.0 L to 3.0 L by exerting a…

A: w = P . ∆V P = 3.0 atm and ∆V = 12.0 - 3.0 = 9.0 L w = 3.0 x 9.0     = 27.00 L. atm

Q: When 1.000 g of olive oil is completely burned in pure oxygen in a bomb calorimeter, the temperature…

A: The values are given as follows:

Q: A system does 551 kJ of work and loses 216 kJ of heat to the surroundings. What is the change in…

A: Given Data : 1. Work done (W) = -551KJ 2. Heat to the surroundings (Q) = -216 KJ Work done by the…

Q: How much work, w, must be done on a system to decrease its volume from 11.0 L to 3.0L by exerting a…

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Q: How much work, w, must be done on a system to decrease its volume from 12.0 L to 3.0L by exerting a…

A: If w id the work done the systemwork(w)=-Pe×∆vw= -pe×(vf-vi)If a gas compacts vf<vi and work is…

Q: Calculate AH (in kJ/mol NH,NO3) for the solution process NH,NO3 (s) → NH; (aq) + NO, (ag) Assume…

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Q: Calculate AH (in kJ/mol NaOH) for the solution process NaOH(s)Na+ (aq) + OH (aq) Assume that the…

A: As the temperature of the solution rises therefore the dissolution process of NaOH is exothermic.…

Q: If the temperature of a system of one mole of an ideal gas is changed from T1°C to T2-2T1 °C is…

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Q: A system does 546 kJ of work and loses 271 kJ of heat to the surroundings. What is the change in…

A: Work (w) = -546 KJ (because work is done on the surrounding, so this is negative) Heat (q) = -271 KJ…

Q: A chemist wastes a delicious brownie by burning it in a bomb calorimeter.  Before burning, the…

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Q: What is the change in internal energy (∆E) for a system in kJ if 2550 kJ of heat are absorbed by the…

A: Disclaimer : The problem contains multiple questions. So , we are solving only the first question.…

Q: The mean bond enthalpies of the C-C , C-H, C=O, and O-H bonds are 348,412,743, and 463 kJ mol-1,…

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Q: A 46-kg person drinks 500 g of milk, which has a “caloric” value of approximately 3.0 kJ/g. If only…

A: The total energy is calculated as, Total energy=3.0 kJg×500 gTotal energy=1500 kJ The total energy…

Q: In the design of an experiment to the measure the heat change of a chemical reaction in an aqueous…

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

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

A: Energy to recycle is 1.40 mol Cu  Step 1: CuO(s) to Cu(s) q1=1.40*155 = 217 kJ   Step 2: Cu(s) at 25…

Q: When Ca(OH)2 is dissolved in water, it is known that the enthalpy of solution (AHsoln) is -16.2…

A: Given: Mass of Ca(OH)2 dissolved = 54 g. ΔHsoln of Ca(OH)2 = -16.2 KJ/mol. And volume of water =…

Q: A change in a system occurs such that 31.1 J of work is done by the surroundings and 22.4 J of heat…

A: Internal energy is the stored energy of the system. From the first law of thermodynamics it is clear…

Q: In an experiment to measure the heat released by the combustion of a sample of fuel, the compound…

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Q: When a 3.00 g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of…

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