A sample of gas is heated with 16.2kJ of energy while simultaneously expanding to 29.3L from 3.2 Lagainst a constant external pressure of 9.6 atm. What is the change internal energy for the gas, in kJ?

Q: A chemical reaction is run in which 138 Joules of work is done by the system and the internal energy…

A: Work done by the system is negative. So we use W= -138 J  Given: w= - 138J              ∆u= + 14J To…

Q: Why do heat (q) and work (w) have positive values when entering a system and negative values when…

A: To find: Why do heat (q) and work (w) have positive values when entering a system and negative…

Q: The value ofE for a system that performs 111 kJ of work on its surroundings and gains 89 kJ of heat…

A: According to the sign conventions, Work done by the system is taken as negative. Heat gained by the…

Q: Two substances A and B, initially at different temperatures, arethermally isolated from their…

A: The relationship between the quantity of the heat absorbed/released in a system and the change in…

Q: the 10.0 g sample of metal is heated to 100.0 degrees celsius and then added to 20.0 g of water at…

A: The relationship between heat , specific heat capacity and change in temperature is given by the…

Q: A mixture of nitrogen and argon gas is compressed from a volume of 15.0L to a volume of 11.0L, while…

A: From thermodynamics, work done is calculated as: w = -PΔV   Or, w = -P(Vf-Vi)   where Vf and Vi are…

Q: capacity of a newly developed alloy of nickel metal,given the following

A: Use calorimetry principle to get answer Heat flow from high temperature to low temperature. Heat=…

Q: A 25.95 g sample of methanol at 35.60 °C is added to a 38.65 g sample of ethanol at 24.70 °C in a…

A: Mass of methanol = 25.95g  Mass of ethanol = 38.65g  Temperature of ethanol = 24.70°C Temperature of…

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 change in internal energy for the combustion of 1.0 mol of octane at a pressure of 1.0 atm is…

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Q: air in an infiated balloon in car on hot summer day absorbs As it expands, it does 2. of work. First…

A: Given work done is 77KJ

Q: When 3.0 mol 0 2(g) is heated at a constant pressureof 3.25 atm. its temperature increases from 260…

A: The molar heat capacity indicates the amount of heat which is required to raise the temperature of 1…

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: Consider a balloon filled with 2115 L of helium at 1.00 atm pressure and 45.5°C. The temperature of…

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Q: The correct units for the molar heat capacity are: O a) J/mol/°C O b) J/g Oc) J d) mol/°C

A: Molar heat capacity of a substance is the amount of heat required to rise the temperature of one…

Q: Assuming constant heat capacities for products and reactants, determine the ΔH (500˚C) for 2H2 (g) +…

A: Solution Thermodynamics in its totality concerning|worries|is bothered} about heat. The which means…

Q: 5.40 A 50.75-g sample of water at 75.6°C is added to asample of water at 24.1°C in a…

A: The heat 'q' required to raise the temperature of a sample of mass 'm' having specific heat 'c' from…

Q: A 8.0 g sample of aniline (C6H5NH2, molar mass = 93.13 g/mol) was combusted in a bomb calorimeter…

A: Mass of aniline = 8.0 g  Molar mass of aniline = 93.13 g/mol  Heat capacity of bomb calorimeter =…

Q: A rubberized sphere contains carbon dioxide. If the initial radius of the sphere is 15cm: a. How…

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Q: work performed

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Q: If the system is defined as a gas in a container, then a decrease in internal energy of the system…

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Q: A mixture of krypton and oxygen gas is expanded from a volume of 31.0L to a volume of 87.0L, while…

A: Work done = P(V2-V1)  where P = pressure , V2 = final volume , V1= initial volume

Q: A sample of an ideal gas at 15.0 atm and 10.0 L is allowed to expand against a constant external…

A: According to the Boyle’s law, within a closed system at a constant temperature, the absolute volume…

Q: 32. One (1) mole of butane (CH10) burns at constant pressure to produce carbon dioxide and water.…

A: Given,   Heat energy ( q )  = - 2870 kJ   ( negative sign because heat is produced ).  Work ( w )…

Q: 1. Determine the total amount of heat required to decrease the temperature of 25g H,0 from 25 C to…

A: Hello. Since the question contains multiple parts, the first part is solved. In case the solution…

Q: 20.) Calculate for the heat evolved in one mole of glucose (180.56 g/mol) if 3.00 g was ignited in a…

A: Heat evolved at constant volume = C × ΔT × mol-1  C = Heat capacity  ΔT  = change in temperature…

Q: Equation of the first law of thermodynamics is O a. Internal Energy= Heat rejected into work done O…

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Q: In a coffee cup calorimeter, 35 ml of 0.100 M AgNO3(aq) and 69 mL of 0.100 M NaCI (aq) are mixed.…

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Q: The heat combustion of acetylene, C2H2 (g), at 25°C, is -1299 kJ/mol. At this temperature, ∆H°f…

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: The heat capacity of an Object (F) is the amount of heat (Q) required to raise it’s temperature, per…

A: The properties of matter that do not depend on the size or quantity of matter in any way are…

Q: 1. At a constant pressure of 1.00atm, 550OJ of heat was applied to the gas in the cylinder, and the…

A: Work energy of the gas at constant pressure is calculated by using below formula,…

Q: How much work (J ) is required to compress a gas from 10L to 7L by exerting a constant pressure of…

A: work done in thermodynamical process is  W = P(V2 - V1)

Q: Submit A system expands from a volume of 1.00L to 2.00 L against a constant external pressure of…

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Q: The fuel in high-efficiency natural-gas vehicles consists primarily of methane 1CH42. (a) How much…

A: The reaction for the burning of methane is given below. CH4  +  2O2  →  CO2  +  2H2O At 298 K,…

Q: A quantity of 1.922 g of me thinks was burned in a constant-volume bomb calorimeter. Consequently…

A: Molar heat of the combustion of methanol is the amount of heat energy released when 1 mol of…

Q: Suppose 0.100 mol of a metal (M) is combusted in excess O2lg) in a bomb calorimeter. 4M(s) + 302 –…

A: Given the moles of metal, M that undergoes combustion = 0.100 mol the heat released during the…

Q: A sample of helium behaves as an ideal gas as it is heated at constant pressure from 273 K to 356 K.…

A: Given- Gas behaves as an ideal gas  Initial temperature =273K Final temperature =356K Change in…

Q: The value of ΔHcomb for dimethylphthalate (C10H10O4) is 4685 kJ/mol. How much heat was released…

A: we need to calculate the heat was released during the combustion of dimethylphthalate. the formula…

Q: Consider a balloon filled with 2115 L of helium at 1.00 atm pressure and 45.5°C. The temperature of…

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Q: (3) It takes 330 J of energy to raise the temperature of 24.6 g of benzene from 21.0°C to 28.7° C at…

A: Given: Total energy = 330 J Mass of benzene = 24.6 g Initial temperature = 21 °C Final temperature…

Q: 2.53 g of solid NaOH is dissolved in 100.00 g of water (total mass of solution = 102.53 g) in a…

A: The reaction given is NaOH(s) → NaOH(aq)                     ∆H° = - 43.0 kJ/mol  Hence we can say…

Q: Why is the work done when a system expands against a con-stant external pressure assigned a negative…

A: In thermodynamics, pressure volume work is done when the pressure is applied on the system to change…

Q: 6600 J of heat flow into 0.014 m of a monatomic gas at 1.5 x 10° N/m². The gas expands isothermally…

A: Given: Amount of heat flow into the system = 6600 J Pressure  = 1.5 x 105 N/m2 Initial volume of gas…

Q: consider a mixture of air and gasoline vapor and a cylinder with a piston and an original volume of…

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Q: At constant volume, the heat of combustion of a particular compou (molar mass = 162.47 g/mol) was…

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Q: As a 1.00-mol sample of a monatomic ideal gas expands adiabatically, the work done on it is -2.50 ×…

A: Work done, W = - 2500 J Initial pressure, Pi = 3.60 atm Initial temperature, Ti = 500 K

Q: A 3.19 g sample of aniline was combusted in a bomb calorimeter with a heat capacity of 4.25 kJ/°C.…

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Q: Under what condition(s) is the enthalpy change of a process equal to the amount of heat transferred…

A: The heat energy of the system at constant pressure in given temperature is called enthalpy of the…