A balloon is filled to a volume of 7.00 X 10² mL at a tempera- ture of 20.0°C. The balloon is then cooled at constant pressure to a temperature of 1.00 x 10? K. What is the final volume of the balloon?

Q: To minimize the rate of evaporation of the tungsten filament, 1.4 × 10-5 mol of argon is placed in a…

A: The pressure of argon in light bulb at 23 degree Celsius is calculated as,

Q: A sample of air occupies 1.0 L at 25 °C and 1.00 atm. What pressure is needed to compress it to 100…

A: Here given, Initial Volume (V1) = 1 L  Initial Temperature (T1) = 250 C = (273 +25) K = 298 K…

Q: What pressure (in atm) is exerted by a column of toluene (C7 Hg) 87 m high? The density of toluene…

A: The pressure exerted is given by ,P=ρgh where ρIs the density ,g is gravitational acceleration =9.8…

Q: Calculate the pressure exerted for a mixture of two 7.50 g nitrogen (N2) gases, 6.00 g helium (He)…

A: Ideal gases are hypothetical gases which do have real existence. A gas can behave ideally at low…

Q: What pressure is exerted by 129.5 g of CH4 in a 0.3900 L steel container at 215.7 K?

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Q: If 3.25 g N2 gas is introduced into an evacuated 1.50 L flask at 325 K, what is the pressure inside…

A:

Q: f 0.10 mol l2 vapor can effuse from an opening in a heated vessel in 42.0 seconds, how long will it…

A: To find: Time required to effuse 0.10 mol of H2 gas under the same condition if 0.10 mol of I2 vapor…

Q: A chunk of dry ice, CO2(s), weighing 7.7 g is sealed inside a 2 L soda bottle initially containing 1…

A: Given: mass of CO2 = 7.7 g Temperature = 298.15 K Volume of bottle = 2 L Initial pressure of air =…

Q: A sample of an ideal gas at 1.00 atm1.00 atm and a volume of 1.53 L1.53 L was placed in a weighted…

A:

Q: c

A:

Q: if 48.0 g of O2 and 4.4 g of CO2 are placed in a 10 l container at 21 degree Celsius , what is the…

A: Given: Mass of O2= 48.0 g Mass of CO2 = 4.4 g Volume= 10 L Temperature= 21 degree Celsius= 294.15 K…

Q: A solid brick of dry ice (C O 2 ) weighs 0.75 kg.Once the brick has fully sublimated into C O 2 gas,…

A: The given data contains, mass = 0.75 kg = 750 g. Temperature = 273 K Pressure = 1 atm gas constant…

Q: A quantity of gas at 27.0 is heated in a closed vessel until the pressure is doubled. To what…

A: Using gas equation, we have (P1*V1) /T1=(P2*V2) /T2 where P=Pressure, V=Volume and T=Absolute…

Q: An ideal gas is contained in a cylinder with a volume of 5.0 X 102 mL at a temperature of 30.°C and…

A:

Q: A sample of an ideal gas at 1.00 atm1.00 atm and a volume of 1.62 L1.62 L was placed in a weighted…

A: Given: Initial Pressure, P1 = 1.00 atm Initial volume, V1 = 1.62 L Final Pressure, P2 = 80.0 atm…

Q: A 1.20 g sample of dry ice is added to a 765 mL flask containing nitrogen gas at a temperature of 25…

A: We have to calculate the total pressure inside flask .

Q: What is the pressure exerted by 1.54 g Xe gas at 17.0 °C in a 350-mL flask?

A:

Q: What pressure is exerted by 998.1 g of CH4CH4 in a 0.600 L steel container at 135.2 K?

A: According to Ideal gas equation PV=nRT P=pressure V= volume R=gas constant = 0.0821Latm/mol.K T…

Q: If some neon gas at 121,000 Pa were allowed to expand from 37 mL to 60 mL without changing the…

A: From the Boyles gas law, we know,     (At constant temperature)

Q: To what temperature must neon atoms be cooled so that they have the same rms speed as N2 molecules…

A: we have   vrms=3RTM   Equating (v)rms for Ne and N2, we have (v)rms(Ne) = (v)rms N2…

Q: If 15.0 liters of neon at 25.0oC is allowed to expand to 45.0 liters, what must the new temperature…

A: Ans

Q: What pressure is exerted by 780.4 g of CH4 in a 0.870 L steel container at 130.3 K?

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Q: What volume must a balloon have to hold 6.20 kg of H2 for an ascent from sea level to an elevation…

A:

Q: The temperature of a sample of gas in a closed container at 30 kPa is increased from 41° C to 100°C.…

A:

Q: When 40.0 litres of oxygen gas at 20.0 (degrees Celsius) is compressed to 3.00 litres, what must the…

A:

Q: 5. To what temperature must a gas sample at 20°C be heated in order to double its volume?

A:

Q: To what temperature must a balloon initially at 25 degrees Celsius and 2.00 L, be heated in order to…

A: Initial temperature T1 =25°C                            T1 = (25+273)K…

Q: what pressure would 10.0 g of oxygen gas exert in a 2.5 L container at 25 degrees celsius?

A:

Q: Use the van der Waals equation to calculate the pressure exerted by 1.370 molmol of Cl2Cl2 in a…

A:

Q: If volume =2.03 L at 24.0 Degrees Celsius then volume = 3.01L at what temperature? ( pressure, n=…

A: NOTE : Assuming the substance we are talking about in this question is a gas as nothing is mentioned…

Q: What mass of helium gas is needed to pressurize a 82.0L tank to 249 atm at 23°C? What mass of oxygen…

A:

Q: At constant pressure, to what temperature in degrees C must 25.5 mL of gas at 100 degrees C be…

A: At constant pressure, the temperature in °C up to which a 25.5 mL of gas at 100 °C is cooled so that…

Q: If a tank contains 453 mol of propane, what volume of propane gas could be supplied at 22°C and…

A: Given the pressure of propane gas is --- 14.22psi  Temperature T=22oC The number of moles of propane…

Q: The density of liquid octane, C8H18, is 0.7025 g/mL. If 1.00 mL of liquid octane is vaporized at…

A: Data given: Density of octane = 0.7025 g/mL Volume of octane = 1.00 mL Temperature, T = 100 °C =…

Q: 3. A sample of gas at 3.00 x 103mmHg inside a steel tank is cooled from 500.00C to 0.000C. What is…

A: Given: Initial pressure P1= 3.00×103 mmHg= 3.00×103760=3.95 atm Initial temperature T1= 500°C= 773K…

Q: Could 131 g of xenon gas in a vessel of volume 1.0 dm3 exert a pressure of 20 atm at 25 °C if it…

A:

Q: What pressure is exerted by 906.9 g of CH4 in a 0.900 L steel container at 277.7 K? p= ___ atm

A: Here gas equation PV = nRT will be applicable, where P is pressure, V is volumn, n is number of…

Q: 1. An oxygen tank with a capacity of 15 L is filled with oxygen at a temperature of 32.00°C and a…

A: Answer-1 Ideal gas equation is: PV=nRTPVRT=nn=PVRTHere:n=number of moles of the gasP=pressure of the…

Q: What mass of carbon monoxide will exert the same pressure as 12.5 g of ammonia at the same volume…

A: Since we know that under same condition of temperature, pressure and volume two gases will have…

Q: If it takes 3.52 seconds for 10.0 mL of helium to effuse through a hole in a container at a…

A: Given : Time required by helium to effuse = 3.52 s Volume of helium i.e He effused = 10.0 mL And…

Q: What is the pressure in a sealed 2000 mL flask kept at 23.4 degrees Celsius containing N2 gas?

A: It is given that:Volume of a sealed flask = 2000 mLTemperature= 23.4 ͦ C

Q: 1. A balloon is filled to a volume of 7 x 102 ml at a temperature of 20oC. The balloon is then…

A: As pressure and number of mole remain constant.then according to Charles law              V ∝ T…

Q: A given volume of oxygen, O2, required 62.0 seconds to effuse from a hole in a chamber. Under the…

A: The formula which relates time to effuse for a gas and molecular mass is shown below: Time for…

Q: A 10.0 L sample of CO2 gas at 25.0 degrees celsius is heated at a constant pressure until the volume…

A: Given, Initial Volume = 10.0 L Initial Temperature = 25.0°C  Final volume = 20.0 L  Final…

Q: Suppose 0.246 mol of SO2 gas was compressed into a 1.25L steel cylinder at a temperature of 38.0℃.…

A:

Q: A 1.00-mole sample of dry ice (solid CO2) is placed in a flexible, sealed container and allowed to…

A:

Q: five moles of hydrogen gas at 0 degrees Celsius are forced into a steel cylinder with a volume of…

A: If P is the pressure of the gas, V is the volume of the gas, T is the temperature and n is the…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.