ch.6.2. calculate the internal energy change for a. one hundred(100.) joules of work is required to compress a gas. at the same time, the gas releases 26 J of heat. b. a piston is compressed from a volume of 9.95 L to 2.35 L against a constant pressure of 1.85atm. in the process, there is a heat gain by the system of 352 J. c. a piston expands against 1.50 atm of pressure from 18.2L to 34.4 L. in the process, 1987 J of heat is absorbed.

Q: A neutralization reaction occurs when 120.00 mL of 0.500 mol/L LIOH and 160.00mL of 0.375 mol/L HNO3…

A: Given, Molarity of LiOH = 0.500 M  Volume of LiOH in mL = 120.00 mL  Molarity of HNO3 = 0.375 M…

Q: When 1.42 g of iron reacts with 1.80 g of chlorine, 3.22 g of FeCl2(s) and 8.60 kJ of heat is…

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Q: 5.145 A piece of silver with a mass of 362 g has a heatcapacity of 85.7 J/°C. What is the specific…

A: Given: Mass of silver= 362g Heat capacity= 85.7 J/°C To find: The specific capacity of silver.

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A:

Q: Write a balanced equation for the combustion of C3H8(g) (propane)-- i.e. its reaction with O2(g)…

A: The combustion reaction is shown as,

Q: 1.63 Ib of gas is stored in a tank of 2ft3. If the internal energy decreases by 27.4 BTU as…

A: Mass of gas = 1.63 lb  Initial temperature = 200 F  Final temperature = 100 F  Change in energy = -…

Q: A gas is confined to a cylinder under constant atmosphericpressure, as illustrated in Figure 5.4.…

A: Given: Heat absorbed by the system = 824 J Work done on the system       = 0.65 kJ

Q: The table provides molar heat capacities (??Cm) of selected metals with the units of joules per…

A: • The values provided in the question are:-  i) Molar heat capacity of lead, Cm = 26.84 J/mol•K =…

Q: (a) When a 4.25-g sample of solid ammonium nitrate dissolvesin 60.0 g of water in a coffee-cup…

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Q: Consider the following reaction: 2Mg(s) + 02(g) → 2M90 AH = -1204kJ How many kilojoules of heat are…

A: 1- First we will calculate the  moles of MgO(s)  moles = [ mass / molar mass ]  moles = [ 7.50g /…

Q: Assume that a particular reaction evolves 244kJ of heat and that 35kJ of PV work is gained by the…

A: Given that: Heat evolved (q) = -244 kJ (negative sign indicate that heat is released) P∆V = -35 kJ…

Q: Hydrocarbon molecules can react with halogens like Cl2 or Br2 (represented generically by X2) where…

A: The reaction given is, => C4H10(g) + X2(g) → C4H5X5(g) + HX (g)

Q: In the laboratory a "cefee cup calerimer, or constant pressure calorimeter, in frequently und to…

A: Mass of Zn = MZn= 69.1 gInitial temperature of Zn = Tzn = 98.40°CMass of water = M = 82.88 gInitial…

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A:

Q: 6. A neutralization reaction occurs when 120.00 mL of 0.500 mol/L L¡OH and 160.00mL of 0.375 mol/L…

A: #6: Since the 53.1 kJ heat energy is on the product side, heat is released during the reaction and…

Q: 1.7. 100 BTUS are absorbed by a gas while the gas expands and perform 700 BTUS of work. Calculate…

A:

Q: A gas is confined to a cylinder under constant atmosphericpressure, as illustrated in Figure 5.4.…

A:

Q: Lighters are usually fueled by butane(C4H1O). When 1 mole of butane burns at constant pressure it…

A: Given: Moles of butane= 1 mol Heat produced =2658 kJ Amount of work done=3 kJ  To Calculate: the…

Q: The value ΔH0 of for the reaction 2Ba(s) + O2(g)→ 2BaO(s)is -1107 kJ. Determine the heat released…

A: The enthalpy of a reaction is the heat that is released or absorbed in a chemical reaction that…

Q: When 1.866 grams of sucrose (Molar mass 342.3 g/mol) is burned in a bomb calorimeter, the…

A: Given : Mass of sucrose i.e C12H22O11 = 1.866 g Molar mass of C12H22O11 = 342.3 g/mol Initial…

Q: A chemist burns 0.8650 g of graphite (a form of carbon) in a new bomb calorimeter, and CO2 forms. If…

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Q: Consider the balanced reaction 5 A + 5 B –→ 2 C + 9 D and the enthalpies of formation provided in…

A: ∆Hreaction = ∑∆Hf(products) - ∑∆Hf(reactants)

Q: A reaction occurs according to the following balanced chemical equation: AaBbs + 5 Cc → Áa + 5 BbCc.…

A: Answer: Limiting reagent is the substance that exhausted first in the reaction and decide the yield…

Q: Constants Periodic Table The molar heat capacity of silver is 25.35 J/mol temperature of 8.00 g of…

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Q: What quantity of heat (in kJ) will be released (∆H) if 0.4501 mol of NH3, are mixed with O.200 mol…

A:

Q: A solution of AgNO3 (100.0 mL, 0.300 M) reacts with a solution of HCI (100.0 mL. 0.300 M) in a…

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Q: A system delievrs 225 J of heat to the surrondings while delivering 645 J of work. Calculate the…

A: Applying first law of thermodynamics ∆U= Q-w

Q: When glucose, a sugar, reacts fully with oxygen, carbon dioxide and water are produced: C,H12O6(s) +…

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Q: Fises by 27.3°C. The heat capacity of the calorimeter is 6.18 kJ/°C. a) Calculate the heat absorbed…

A: Mass of sample octane =3.80 g ∆T = 27.3 oC Heat capacity of calorimeter = 6.18 kJ/oC

Q: Image attached

A: Given, T1 = 18C°T2 = 69C°∆T=(T2-T1)=(69-18)=51C° The heat required(q) = 672 J Calculating the heat…

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: A 0.5786 g of unknown substance is burned in a constant – volume bomb calorimeter that has a heat…

A: Since you have posted a question with multiple questions, we will solve first question for you. To…

Q: 6. Given that the AH for CaO, H3PO4, Ca3(PO4)2 and H2O, are, respectively, -635, -1267, -4126, and –…

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Q: 5.38

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Q: Limestone stalactites and stalagmites are formed in caves bythe following reaction:If 1 mol of CaCO3…

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Q: When 1.151 grams of sucrose (Molar mass 342.3 g/mol) is burned in a bomb calorimeter, the…

A:

Q: An aluminum can of mass 0.14kg contains water at 17.5°C. Iron pellets with a total mass of 6.3kg at…

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Q: The following molar enthalpies of formation are given in kJ/mol: Hfo[CH3OH (l)] = –239.2;…

A: Given: 2CH3OH(l)+3O2(g)→2CO2(g)+4H2O(g)

Q: ΔH = +572 kJ for the decomposition of water by the reaction 2 H2O() → 2 H2(g) + O2(g). How many…

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Q: . 1.250 L of a 0.7601 mol/L Sodium Sulfide aqueous solution is mixed with 500.0 mL of a 0.7450mol/L…

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Q: 2.0000 g of the unknown compound is burned in a bomb calorimeter. During the combustion, the…

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Q: In a constant-volume calorimeter, 35.0 g of H2 cools from 75.3°C to 25.0°C. Calculate w, q, DU, and…

A:

Q: How much heat (in kJ) evolves when 7.0 L of C2H2 (d= 1.0967 kg/m3) is mixed with a stoichiometric…

A: Number of moles = mass/molar mass  Molar mass of C2H2 = 26 g/mol

Q: An ideal gas sealed in a rigid 3.13-L cylinder, initially at pressure Pi=12.70 atm, is cooled until…

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Q: 1. Calculate w for a system that absorbs 260 kJ of heat and for which AE = 157 kJ. Is the work done…

A:

Q: A bomb calorimeter can be used to measure the enthalpy of reaction for combustions, such as the…

A: Given: ΔHcombustion = –1958 kJ/mol mass of diborane = 0.411 g heat capacity (Ccalorimeter) = 7.854…