A balloon containing helium has a volume of 10.00 liters at 1.00 atm--After placing the balloon into a freezer the volume decreased to 9.50 liters while holding the pressure constant. calculate the vaule for work in joules.

Q: A balloon containing helium has a volume 10.00 liters at 1.00 atm. After placing the balloon into a…

A: Given: Initial volume of gas = 10.00 L Initial pressure of gas = final pressure of has = 1.00 atm.…

Q: A chemical reaction is performed in a flask that is sealed with a piston. The initial volume of the…

A: Given:Volume V1 = 0.550 LVolume V2= 0.375 Lpressure = 1.00 atm

Q: 2. Sulfur dioxide gas is reacted with oxygen gas to produce sulfur trioxide gas: SO2(g) + O₂ → SO If…

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Q: Consider a system consisting of the following apparatus, inwhich gas is confined in one flask and…

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Q: Given the following thermochemical reaction equations: A + B C AH =433 kJ/mol and 2D C AH =282.6…

A: ∆H of a reaction in magnitude remains same only sign changes when a reaction reversed.

Q: When a system AE is olways negative. Select one: O a. gives off heat and does work O b. none of the…

A: We need ∆E negative

Q: Which of the following statement/s is/are correct? (A) The quantity AH is dependent on the pathway…

A: A) the quantity ∆H is dependent on the pathway to which this value is computed.

Q: 5.7 Stoichiometry is based on the law of conservation ofmass. On what law is thermochemistry based?

A: Thermochemistry based on which theory has to be proposed.

Q: A block of copper of unknown mass has an initial temperature of 65.4 °C. The copper is immersed in a…

A: According to law of conservation of energy,Heat gain by water = heat loss by copper…

Q: How much work is needed in a system to expand from 25 to 50 liters against a pressure of 5 atm? Is…

A: When a gas expand at constant pressurewith a small change in volume dv workdone dw = p× dvIf initial…

Q: 9. Determine the amount of heat (in kJ) given off when 1.26 × 104 g of ammonia are produced…

A: The number of moles of a species is calculated by expression (1) in which n is the number of moles,…

Q: Exactly 1.5 g of a fuel burns under conditions of constantpressure and then again under conditions…

A: The mass of fuel in the reaction is exactly 1.5g. The heat produced in the reaction A is -25.9 kJ.…

Q: A gas forming reaction produces 5.15 L of gas against a constant pressure of 0.985 atm.  Calculate…

A: The work done by the gas when the change in volume and pressure has been given can be calculated by…

Q: Assume that O2(g) behaves like an ideal gas. A sample of oxygen gas with mass equal to 16 g occupies…

A: (i)  Moles of O2 = Weight (g)Molar mass (g/mol)       = 16 g32 g/mol = 0.5 molesP = 3.0 atm…

Q: What quantity of energy is needed to heat a 1.00 mole sample of H2O ‍ from  -30.0 degrees C to 140.0…

A: Since in heating H2O ‍from -30 0C to 140 0C following steps will happen 1) Heating of ice from -30…

Q: A typical hot-air balloon has a volume of 22.0 m3 when inflated. How much work (in J) must be done…

A: Given: Atmospheric pressure = 762 torr. And final volume of balloon = 22.0 m3 = 22000 L…

Q: What product determines the work performed on or by a gas? O moles of atom and light O time and…

A: We can determined work performed on the gas by using the ideal gas equation . Ideal gas equation :…

Q: (11) A sample of 770 mol of nitrogen gas is maintained at a constant pressure of 1.00 atm in a…

A: THIS CAN BE SOLVE USING FIRST LAW OF THERMODYANAMICS CHANGE IN INTERNAL ENERGY = HEAT ABSORBED +…

Q: A gas is confined to a cylinder fitted with a piston and anelectrical heater, as shown here: Suppose…

A: a. About the first system we are told that the piston is allowd to move as the energy is added so…

Q: The gas-phase reaction shown, between N2 and O2, was runin an apparatus designed to maintain a…

A: Given reaction:

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

A: According to the first law of thermodynamics, The total internal energy (∆E) of a system is equal to…

Q: A sample of gas occupies a volume of 52.5 mL. As it expands, it does 130.7 J of work on its…

A: Work done on the gas is given by, => W = -PΔV where W = work done on gas  P = pressure  ΔV =…

Q: A gas absorbs 5.0 J of heat and then performs 15.8 J of work. The change in the nergy of the gas is

A: The first law of thermodynamics The first law of thermodynamics represents the conservation of…

Q: Calculate the quantity of work required if He gas expanded from 1 L to 2 L by constant pressure of 2…

A: In expansion work is negative  So W =-p(v2-v1)

Q: Calculate the amount of work done, in joules, when 2.5 mole of H2O vaporizes at 1.0 atm and 25°C.…

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Q: A cylinder confines 2.00 L gas under a pressure of 1.00 atm.The external pressure is also 1.00 atm.…

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Q: What is the pressure of the gas in the flask (in atm) if the barometer reads 753.4 mmHg? (Show all…

A: The pressure in the gas is related to the atmospheric pressure measured by the barometer as follows:…

Q: A fuel-air mixture is placed in a cylinder fitted with a piston. The original volume of the mixture…

A: Formula : Work done , W = -935 J W =-Pext( Vf - Vi ) -935 = - 0.836 ( Vf - 0.310 ) x 101.3  Vf =…

Q: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 5…

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Q: A sample of gas occupies a volume of 68.1 mL. As it expands, it does 142.5 J of work on its…

A: The work done by a gas is given by expression (1), in which, w represents the work done, P…

Q: Write the balanced chemical equation for the combustion of methane, CH,(g), to give carbon dioxide…

A:

Q: a In the reaction of two moles of gaseous sulfur dioxide and one mole of gaseous oxygen to form two…

A: Given ; temperature = 273 k              Volume = 22.4 L              Pressure = 1 atm Work done =…

Q: A sample of solid aluminum is heated with an electrical coil. If 192 Joules of energy are added to a…

A: Since the process is just heating the metal hence the heat of the process is given by  Q = mCΔT…

Q: The pressure of a gas sample is 156 kPa. What is this pressure in atm?

A: Since, given that, Pressure P=156 kPa changed to atm,.

Q: A sample of gas occupies a volume of 51.1 mL. As it expands, it does 112.4 J of work on its…

A: The detailed solution of your question given below-- We know that the work and volume , pressure…

Q: How much work (in J) is involved in a chemical reaction ifthe volume decreases from 5.00 to 1.26 L…

A: We have the formula for work as W = -P deltaV We are given the change in volume as 5 mL to 1.26 mL…

Q: At a constant temperature, an ideal gas is compressed from 6.0 liters to 4.0 liters by a constant…

A: Given: Vol. of the ideal gas, V1 = 6.0 L Vol. of the gas after compression, V2 = 4.0 L The external…

Q: For a gas expanding in a piston, which process does the most work? A. A multi-step expansion B. A…

A: Correct answer is (A.) A multi-step expansion.  Magnitude of work done by gas is directly…

Q: 17. Consider a system consisting of the following apparatus, in which gas is confined in one flask…

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Q: a) Consider the reaction N2(8) + 3H2(g); → 2NH3(g) AHn = -92.6 kJ If 2 moles of N, reacts with 6…

A: This is the case of irreversible thermodynamics under constant pressure. According to irreversible…

Q: Aluminum chloride, a white powder, is an important chemical produced industrially by heating a…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: A calorimeter contains 100.0 g of water at 39.8 ºC. An 8.23 g metal object at 50.0 ºC is placed in…

A: Answer:- This question is answered by using the simple concept of calorimetry which involves the…

Q: The pressure of 5.0 L of gas increases from 1.50 atm to 1240 mm Hg. What is the final volume of the…

A: Boyle's law states that at constant temperature pressure of the gas is inversely proportional to the…

Q: How much work in L*atm is done by 0.440 moles of a gas that has an initial volume of 6.5 liters and…

A: Given data is: Number of moles of gas = 0.440 moles Initial volume = 6.5 L Temperature = 303 K…

Q: For each reaction at STP, what is the sign of AS° in the blank. 19. 2H2 (g) + O2 (g) → H2O (1) 20.…

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Q: An ideal gas in a cylinder fitted with a piston expands at constant temperature from a pressure of 4…

A:

Q: How much work is required to compress a gas from 50 L to 35 L at a constant pressure of 8 atm

A: Given that : Initial volume of the gas = 50 L Final volume of the gas = 35 L Constant pressure = 8…

Q: 2. Olympic cyclists fill their tires with helium to make them lighter. The mass of air used in the…

A: Given that : Mass of air used in the filled tire = 8.56 g Volume of the tire = 855 mL Pressure =…