You initially have a gas at a pressure of 303,975 Pascals (N/m2) and a volume of 0.0055 m³. The gas is contained in a piston with an external pressure such that the final volume is 0.0105 m3. Calculate the external pressure and the work performed by the gas in Joules.

Q: Measurements show that the energy of a mixture of gaseous reactants decreases by 285. kJ during a…

A: Given, The change in energy is given by = ∆E = -285.5 kJ   ( decreased) The work done on the mixture…

Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 253. kJ during a…

A: The sign convention for heat flow are as follows : When the heat flows into the system, a positive…

Q: Measurements show that the energy of a mixture of gaseous reactants decreases by 336.kJ during a…

A:

Q: Imagine 1.63 moles of NH3(g) undergo reversible, adiabatic expansion from 1.6 L to 5.6  L at 333 K.…

A: For adiabatic process ----------- eq (1)where,T1 = initial temperature,T2 = final temperature,V1 =…

Q: Measurements show that the enthalpy of a mixture of gaseous reactants decreases by 331. kJ during a…

A: Given  decrease in enthalpy = 331 kJ work done on the mixture =105 kJ

Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 151. kJ during a…

A: The enthalpy change of the given reaction is = +151. kJThe work done on the gas mixture is =123.…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 368. kJ during a…

A: We have to calculate the change in enthalpy and nature of reaction.

Q: When 178.0 J of energy is supplied as heat to 1.90 mol of gas molecules, the temperature of the…

A: Heat = 178.0 J Moles = 1.90 mole  ∆T = 1.78 K

Q: A quantity of 0.0522 mol of a gas initially at 0.0500 L and 20.0 °C undergoes a constant-temperature…

A:

Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 391kJ during a…

A: According to the question,The enthalpy of a mixture of gaseous reactants is increased by ΔH = 391…

Q: Elemental tin can be dissolved in acid solution as shown by the following equation: Sn + 2H (ag)→…

A: 1- First calculate the moles of hydrogen gas :  moles of Sn = [ mass / Molar mass of Sn ] moles of…

Q: A mixture of helium and neon gas is expanded from a volume of 87.0L to a volume of 96.0L, while the…

A: Work done = pressure x change in volume

Q: Measurements show that the energy of a mixture of gaseous reactants decreases by 177. kJ during a…

A:

Q: 1. A chemical reaction takes place in a container fitted with a piston of cross-sectional area 75.0…

A:

Q: Be sure to answer all parts.  Calculate the work done (in joules) by the reaction  2Na(s)+…

A: The formula for calculate the work done by the reaction is - Now calculate the moles for Na and H2…

Q: A 3.065 g3.065 g sample of a new organic material is combusted in a bomb calorimeter. The…

A: Mass of sample = m = 3.065 g heat capacity (calorimeter constant) of the calorimeter (C) =  36.51…

Q: The internal energy of a gas decreases by 1.65kj when it transfers 1.87kj of energy in the form of…

A: Interpretation: The work done on the gas by the surroundings is to be determined. Concept…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 243.kJ during a…

A: Given:Change in energy Where the positive sign indicates energy is increasedWhere the positive sign…

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 system receives 75.0 joules of electric work, delivers 274.0 joules of expansion work and absorbs…

A: A system receive 75 joule of electric work amd deliver 274 joule of expansion work and it absorb 168…

Q: In an isolated system 1000 J of heat is added to an ideal monatomic gas, while the gas performs 500…

A: From data Q= +1000J (positive as it is positive in case of heat is added to system as per chemistry…

Q: Measurements show that the energy of a mixture of gaseous reactants decreases by 206. kJ during a…

A: The work done on the gas mixture is =-145. kJ The change in the energy of the gas mixture is = 206.…

Q: A mixture of xenon and hydrogen gas is compressed from a volume of 67.0L to a volume of 43.0L, while…

A: Since work done on the gas mixture will be positive. Given: Initial volume (V1) = 67 L The final…

Q: Measurements show that the energy of a mixture of gaseous reactants increases by 169. kJ during a…

A: Answer :- 1. Change in enthalpy of gas mixture = ∆H = +337 kJ  2. Endothermic…

Q: A piece of metal of mass 15 g at 99◦C is placed in a calorimeter containing 41.3 g of water at 19◦C.…

A: Heat lost by metal = Heat gained by water

Q: Measurements show that the enthalpy of a mixture of gaseous reactants increases by 195.kJ during a…

A: According to the question, The enthalpy of a mixture of gaseous reactants is increased by ΔH = 195…