What is the energy change when the temperature of 11.9 grams of gaseous xenon is decreased from 39.0 °C to 22.8 °C ? Answer: ____ Joules.

Q: A sample of solid diamond is heated with an electrical coil. If 85.6 Joules of energy are added to a…

A: Given that: heat, ∆H= 85.6 J mass of diamond = 11.7 g Initial temperature, Ti = 22.2 oC To find:…

Q: Using the specific heat capacities of CO2 and air determine which sample (air or CO2) shows the…

A: Specific heat capacity is the amount of heat absorbed by 1 g of substance to raise its temperature…

Q: Consider these reactions: Reaction 1: H2 (g) + Cl2 (g) → 2HCI(g) AH = -184.6 kJ %3D Reaction 2: 20F2…

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Q: Calculate T in Kelvin given

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Q: A 16.0 g sample of quartz, which has a specific heat capacity of 0.730 J·g '.°C ', is dropped into…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The specific heat capacity of lead is 0.129 j/g 0c  .Find the amount of heat released when 497 g of…

A: The amount of heat released = 942.46 J. Explanation: Given data is: Specific heat capacity (S) =…

Q: Sally Student combines 50.0 g of water at 20.0°C with 100. g of water at 70.0°C. Estimate the final…

A: Given For cold water                      For hot watermass (m) =50.0g                   mass (m)…

Q: A gas is compressed from an initial volume of 5.55 L to a finalvolume of 1.22 L by an external…

A: The expression for the work done,  W=-P(Vf-Vi)W=-1.00 atm (1.22 L-5.55 L)W=4.33 L (101.33 J)1 L…

Q: Calculate the amount of heat released in the combustion of 3.5 grams of Al with 7.4 grams of O2 to…

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Q: At 1 atm, how much energy is required to heat 95.0 g H2O(s) 95.0 g H2O(s) at −22.0 ∘C−22.0⁢ ∘C to…

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Q: How many kilojoules are required to change the temperature of 64.5 g  of water from 22.2 oC  to 45.3…

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Q: thermometer A 54.6 g sample of polystyrene, which has a specific heat capacity of 1.880 J.g right)…

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Q: O THERMOCHEMISTRY Solving a basic calorimetry problem Jacqueline thermometer A sample of aluminum,…

A: The heat is released by the hot materials is absorbed by the Cold material and gets intermediate…

Q: A 50.6 g sample of iron metal (specific heat = 0.473 J/g°C) is heated and put into 104 g of water at…

A: Given that, 50.6 g iron (Fe) metal is heated and kept into 104 g water (H2O) at 19.7 oC in a…

Q: thermometer. A sample of polystyrene, which has a specific heat capacity of 1.880 J'g °C ', is put…

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Q: A system absorbs 21.39 kJ of heat while expanding against a 0.278 atm pressure from a volume of…

A: Given  heat , Q = 21.39 kJ pressure, P = 0.278 atm V1 = 0.0423 L V2 = 18.76 L Formula used - W = -…

Q: Nitroglycerine is a powerful explosive forming N2, O2, CO2 and H2O vapor when detonated. In…

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Q: 2. Chlorine trifluoride is a colorless, poisonous, and corrosive gas. It is produced from the…

A: According to Hess's law change of enthalpy in a chemical reaction is same regardless of whether the…

Q: A sample of gaseous xenon is heated with an electrical coil. If 30.5 Joules of energy are added to a…

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Q: 10. How many grams of water (c=4.18 J/g-C) can be taken from 4°C t8 97 2133 JUUle 11. A 33.54 gram…

A: The heat of a reaction is the amount of energy released or absorbed during the course of a reaction.…

Q: 2C4H10(g) + 13O2(g) → 8CO2(g) + 10H2O(1), AH° rsa=-5814 kJ/mol. How many grams of CO2 are generated…

A: Answer option B: 605.4 g of CO2 are generated per 1×104 kJ of heat released.

Q: A sample of solid silicon is heated with an electrical coil. If 92.7 Joules of energy are added to a…

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Q: A 27.24 g27.24 g sample of a substance is initially at 26.6 ∘C26.6 ∘C . After absorbing 496 cal496…

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Q: Calculate the final temperature of the water after 2.47g of zinc at 60.1 C is added to 29.4g of…

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Q: 9. A piece of tin (specific heat 0.222 J/g*C) with an initial temperature of 80.0°C is placed in…

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Q: 165. What is the final temperature when 20.0 g of water at 25°C is mixed with 30.0 g of water at…

A: The correct answer will be  D)58oC.

Q: An insulated beaker contains 40.5g of water at 24.0°C. If 2.40g of steam at 100°C is forced into the…

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Q: 5.  Calculate the heat capacity, in joules and in calories per degree, of the following: (a) 45.8 g…

A: (a) Specific heat of nitrogen gas (c) is 1.040 J/goC or 0.250 cal/goC Heat capacity (C) can be…

Q: the 3. If 40.0 kJ of energy is absorbed by 500 0 a of water at 10.0 °C, then what is final…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: How many kilojoules of heat are released when 0.72 moles of oxygen gas are used to combust methane?…

A: This is an exothermic reaction as heats are released in this reaction.

Q: During volcanic eruptions, hydrogen sulfide gas is given off and oxidized by air according to the…

A: It is given that the enthalpy for the reactions, 3S(s) + 2H2O(g) → 2H2S(g) + SO2(g)  ΔH° = 146.9…

Q: 6. How many calories of heat are needed to change 55.00g of nickel at 1250.0°C to 1750.0°C? (C…

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Q: 2. What is the total number of calories needed to change the temperature of 50.0 grams of water by…

A: q = mc∆T  q is the amount of heat energy needed m is the mass of substance  c is the specific heat…

Q: How many liters does 42.85 grams of C3H8 occupy at STP?

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Q: Solving a basic calorimetry problem thermometer -1 .°C , is put into a calorimeter (see sketch at…

A: Given: For iron:mass of iron=56.7 gspecific heat capacity of Fe(Cp(Fe))=0.449 JoC-1g-1Final…

Q: 1) Calculate the heat capacity, in joules and in calories per degree, of the following: A) 45.8 g of…

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Q: 5. Calculate for the heat released by complete combustion of hexane, CsH:40, at STP if 23.633g of…

A: Given reaction is :  C6H14 (l) + 192 O2 (g) ----------> 6CO2 (g) + 7H2O (l) , ΔH = -4163 KJ…

Q: _10. Which of the following follows the correct writing of thermochemical equations? A. 2H90 → 2Hg +…

A: Since you have posted multiple questions, the answer for first question (10th question) is given…

Q: When ammonia reacts with dinitrogen oxide gas (ΔHf° = 82.05 kJ/mol), liquid water and nitrogen gas…

A: Answer: -3.69 kJ heat is liberated (negative sign indicate the release of energy)

Q: Consider the following balanced equation:Show all work in order and us sigfig in final answer 2H2O…

A: Consider the given balanced equation as; Reaction:              2 H2O     →     2 H2     +…

Q: * 00 A 0.535 g sample of steam at 103.9 °C is condensed into a container with 4.75 g of water at…

A: Formula used  -qlost = qgained  -msteam Csteam(Tf - 103.9oc) =  mwater Cwater(Tf - 15.3oc )

Q: 27.9 moles of an ideal gas (Cv= 5 cal deg-1 mol-1) at 10.0 atm and 0 oC are converted to 4.77 atm at…

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Q: Consider the following thermochemical equations. Reaction ΔrH° / kJ mol−1 HBr(g) ⟶ H(g) + Br(g)…

A: Reaction ΔrH° / kJ mol−1 HBr(g) ⟶ H(g) + Br(g) 365.7 H2(g) ⟶ 2 H(g) 436.0 Br2(g) ⟶ 2 Br(g)…

Q: The volume of a gas is measured by units of Liter. (True / False) 2. For an ideal gas, the plot PV…

A: In this question, we have to state whether the given statement is True or false.

Q: Be sure to answer all parts. Determine the amount of heat (in kJ) associated with the production of…

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Q: Ex 1) When a piece of zinc is dipped in an aqueous solution of hydrochloric acid it reacts with the…

A: Since you have asked a question with multiple subparts, we will answer only first three subparts. In…

Q: You would like to determine how many calories are in 10 grams of chicken that is served in the LaGCC…

A: Given data,Cchicken=3.68J/goC∆T=1.9oCMass of chicken=10g

Q: 9-2. Consider this thermochem ical equation: 4 PCl() → Pa(s) + 6 Ch(g) AH° = +1278.8 kJ If the…

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Q: 50.25 g of metal that is at a temperature of 10.0 C is placed into 45.0 g H2O which is at 21.5 c,…

A: a) the heat gain by the water is given by  q = mCΔT where m = mass of water  q = heat  C = specific…