One mole of an ideal gas undergoes an isothermal expansion at 300 K from 1.00 atm to a final pressure while performing 200 J of expansion work. Calculate the final pressure of the gas if the external pressure is 0.20 atm.

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

Q: Aluminum metal reacts with hydrochloric acid to give aluminum chloride and hydrogen gas:…

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A: Given data: Mass of water(m1) = 112 gms       Its temperature(T1) = 54°C Mass of iron(m2) = 95 gms…

Q: Question attached

A: Given, Initial Volume,  Vi = 46 L Final Volume, Vf = 64 L Pressure, P = 15 atm To find, Work done

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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

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Q: work performed

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Q: 16.What is the work performed by a gas if it expands from 3.44 L to 6.19 L against a constant…

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

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Q: Why are work, w, and heat, q, not state functions?

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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…

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A: Dear student since you have asked multiple questions but according to guidelines we will solve 1st…

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)

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Q: (16) Forty moles of a monatomic gas expand isobarically from volume 3.50 m³ to volume 9.50 m³. If…

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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: A sample of an ideal gas in a cylinder of volume 4.01 L at 298 K and 2.02 atm expands to 7.08 L by…

A: For path A : P1=2.02 atm V1=4.01 L T1=T3=298 K V3=8.06

Q: A 7.24-g sample of ethane occupies 4.65 L at 294 K. (a) Calculate the work done when the gas expands…

A: Isothermal is process done under constant temperature.

Q: What mass of silver is required to raise the temperature of silver from 156.0ºC  to 623ºC if 5012 J…

A: Formula used  Q = mCdT where Q = heat  m = mass , C = heat capacity dT = change in temperature

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: Consider the reaction N2(g) + 3H2(g) → 2NH3(g) ΔHorxn = −92.6 kJ/mol  If 2.0 moles of N2 react with…

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Q: Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 40.…

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Q: The decomposition of hydrogen peroxide, H2O2, has been used to provide thrust in the control jets of…

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Q: Calculate the work (in J) associated with the expansion of a gas from 14.8 L to 44.3 L at a constant…

A: Given data :  initial volume = 14.8L  final volume = 44.3 L  pressure = 3.52 atm

Q: When nitroglycerin explodes, the chemical reaction that occurs can be assumed to be C3HsN3O9(1) →…

A: The reaction for the explosion of nitroglycerin is given below : C3H5N3O9(l)  →  3CO2(g)  +  32N2(g)…

Q: When 2.25 mg of anthracene, C14H10(s), was burned in a bomb calorimeter the temperature rose by 1.75…

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Q: What is the molar heat capacity of liquid water?

A: Molar heat capacity of a substance (sm) is calculated by multiplying the specific heat capacity (c)…

Q: Three moles of an ideal gas are compressed from 5.5 × 102 to 2.5 × 102 m3 . During the…

A: in isothermal process temperature is constant throughout the process.

Q: Example Calculate the work (in J) associated with the expansion of a gas from 44 mL to 63 mL at a…

A: According to the irreversible isothermal expansion of ideal gas, w = -P2 (V2 - V1) where, w is work…

Q: Calculate the work (J) of the system when the ideal gas expands at constant pressure of 2.480 atm…

A: Work done at constant pressure is given by  W = -P∆V ........(1) W = work done = ?  P = pressure =…

Q: One mole of an ideal gas is contained in a cylinder with a movable piston. The temperature is…

A: Given data :

Q: A 2.60 mole sample of N₂ gas at 0 °C is heated to 190 °C at constant pressure (1.00 atm).

A: N2 is a diatomic molecule. Moles ,n= 2.60 mol Initial temperature,T1= 0°C = 273K Final…

Q: Consider a mixture of air and gasoline vapor in a cylinder with a piston. The original volume is 36…

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Q: A sample of an ideal gas at 24.9 atm and 15.4 L is allowed to expand against a constant external…

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Q: Consider the following generic reaction: A+2B→C+3D, with ΔHΔH = 178 kJ . Determine the value of ΔH…

A: For reaction, A + 2B --> C + 3D  Given,  ∆H = 178 KJ

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Q: Identify whether the following are state or path functions: volume, enthalpy, heat, entropy, work.

A: State function state function does not depend on the path taken to move from one state to another…