he pressure of a 250 mL sample of gas is 105 kPa. What would be the pressure if the volume were increased to 375 mL? Assume T and n are constant.

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: One mole of ideal gas occupy a volume of 50.0 L at 30 °C and pressure P. 1000 Joules of work is used…

A: In the given question we have to calculate the final volume (V2) in L

Q: As f changes to e, is there a continuous decrease in temperature? Explain why

A: We can observe that f change to e then condenstation process takes place. Gas convert into liquid…

Q: What is the final pressure (in atm.)?

A:

Q: During an experiment to find the enthalpy change for the reaction between zinc and copper sulfate…

A: ΔT = Final temperature - Initial temperature  Form the diagram,  Initial temperature is 17°C  And…

Q: A gas expands against a variable opposing pressure given by Pext = 10 / V atm, where V is the volume…

A: External Pressure, P    = 10V atm Initial volume of gas  = 10 dm3 Final volume of gas   = 100 dm3…

Q: When 500 J of heat is added to a gas, the gas expands its volume from 0.0019 m3 to 0.005 m3 at a…

A: Change in volume = 0.005 m3 – 0.0019 m3 = 0.0031 m3

Q: A sample of gas occupies a volume of 66.6 mL. As it expands, it does 124.3 J of work on its…

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

Q: The gas compressed in volume from 125,000 µL to 115,000 µL at a constant temperature. Solve for the…

A: Answer-a Work done by the gas is equal to W=-P∆V Since, Pressure can be assume almost equal to zero…

Q: If a gas in a cylinder pushes back a piston against a constant opposing pressure of 4.36 x 105…

A: Given pressure = 4.36 × 105 Pa volume change = 0.877 m3

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: When 500 J of heat is added to a gas, the gas expands its volume from 0.0017 m3 to 0.0043 m3 at a…

A: Given:Volume V1 = 0.0017 m3 Volume V2= 0.0043 m3pressure = 144000 Pa

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: As a system in volume, it absorbs 52.5 J of energy in the form of heat from the surroundings. The…

A: The internal energy of the system can be modified by doing work on them or by adding heat to the…

Q: 8 L by instantaneously decreasing pressure to 0.54 atm (at constant T), how much work (in Joules)…

A: For a gas to be ideal, we assume that there is no force of attraction among the gaseous molecules…

Q: Weather balloons are filled with hydrogen gas, at standard temperature, from a 10.0 L cylinder. The…

A: Initial Volume, V1 = 10.0 Litre Initial Pressure, P1 = 75 atm Volume of 1 balloon = 2.0 Litre…

Q: A chemical reaction takes place in a container fitted with a piston. As the result of the…

A: A chemical reaction takes place in a container fitted with a piston. As the result of the reaction,…

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 strip of magnesium metal of mass 12.5 g is dropped into a beaker of dilute hydrochloric acid .…

A: Given that, mass of magnesium metal = 12.5 g  Atmospheric pressure is 1.00 atm  Temperature = 20.2…

Q: An excess of sodium hydroxide is treated with 5.5 L of dry hydrogen chloride gas measured at STP.…

A:

Q: A cylinder with a moveable piston contains 92g of Nitrogen. The external pressure is constant at…

A:

Q: For the following questions, consider the isothermal compression of a 2.0 mol sample of ideal gas…

A: The ideal gas under study is undergoing isothermal compression, that means the compression takes…

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: 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: 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: URI), calculate the grams of O2 produced in the reaction. S your work and follow the steps below. a.…

A: Given, Pressure = 1 atm  Volume = 40 mL  Temperature = 37°C

Q: As a system increases in volume, it absorbs 52.0 J of energy in the form of heat from the…

A: Work done (w) can be calculated as follows, 1 L atm = 101.3 J

Q: A sample of gas occupies a volume of 52.5 mL. As it expands, it does 139.8 J of work on its…

A: The relationship between work (w), pressure (P) and volume (V) is the following: since the gas is…

Q: 1. The work done by an expanding gas is negative. 2. Under a constant volume process, no work is…

A:

Q: A mountain hiker found a chunk of shiny metal on the trail.  He wanted to find out the identity of…

A:

Q: An ideal gas is enclosed in a piston-cylinder apparatus with the piston being freely movable. Given…

A: Given process,         ΔE is positive and ΔH is negative.

Q: Define the term pressure-volume work?

A: The term pressure-volume work has to be defined below,

Q: ompressed in a cylinder from a volume of 20.0 L to 2.0 L by a constant pressure Calculate the amount…

A: In the compression process work is positive

Q: The pressure of an air bag was 795 torr when inflated at 25 °C with 3.11 moles of nitrogen gas. What…

A:

Q: When a gas is compressed at constant pressure (an isobaric process) The work done by the gas is…

A: Isobaric process  The process in which the condition for constant pressure is applied is called…

Q: Assuming that the gases are ideal and that the equation is balanced, calculate the amount of work…

A: By convention, Work done by the system=-ve Work done on the system=+ve

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: (2.2) Gas in a container is at a pressure of 1 atm and a volume of 6 m3. What is the work done by…

A:

Q: The heat required to raise the temperature from 300.0K to 400.0K for 1mole of a gas at constant…

A: This gas behaves ideally or not and is monoatomic or not has to be identified and explained.

Q: A sample of gas occupies a volume of 68.0 mL. As it expands, it does 129.1 J of work on its…

A: Given:  Initial volume of gas, V1 = 68.0 ml = 0.068 L  Final volume of gas = V2  Work done = 129.1 J…

Q: The heat required to raise the temperature from 300.0K to 400.0K for 1mole of a gas at constant…

A: This gas behaves ideally or not and is monoatomic or not has to be identified and explained.

Q: A sample of gas occupies a volume of 71.2 mL. As it expands, it does 123.2 J of work on its…

A: Given, pressure = 783 Torr Initial volume = 71.2 mL Work = 123.2 J

Q: A typical bike tire has a volume of 150 in³. If a bicycle pump can hold 567 cm3 of air, and you…

A: We need to find Work-done for each pump,then we need to have how many pump needed to fill the…

Q: Consider an ideal gas in a piston chamber where the initial volume is 2.00L and the initial pressure…

A: A.) To calculate work of the process , we would use formula : w = Pext ∆V    B.) To calculate final…

Q: Calculate T in Kelvin given E0cell= 0.970 volts n= 1 R= 8.314 J/mol K F= 96500 C/mole electrons…

A: The question is based on the concept of electrochemistry. we have to calculate the temperature based…

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

A:

Q: Be sure to answer all parts.  A quantity of 0.0350 mol of a gas initially at 0.050 L and 29.0°C…

A: Given: Number of moles n1 = 0.0350 mol Volume V1 = 0.050 L Temperature= 29.0°C =29.0+ 273=302 K Pext…

Q: A gas expands at a constant pressure of 1 bar from 4 liter to 5 liters, how much work is done by the…

A:

Q: Suppose that q is negative and w is positive for a gas (from the perspective of the system). This…

A: Energy cannot be destroyed or created, according to the basic law of thermodynamics, but it can be…

Q: If a system does not change its volume during the course of a process, does it dopressure–volume…

A: If the volume of the system does not change will pressure-volume work is done or not has to be…

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.