A sample of neon gas occupies 75.0 mL at 25°C. What is its new volume, in milliliters, if the temperature decreases to -12°C, with P and n constant?

Q: A gas at 7.75 x 10 Pa and 17°C occupies a volume of 850. cm. At what temperature, in degrees…

A: Initial pressure = P1= 7.75 * 104 PaInitial Temperature = T1  = 17°C = (17 +273.15 )K =290.15…

Q: 1. Write a balanced chemical equation, including physical state symbols, for the decomposition of…

A: Given data, Volume of CO2 gas produced = 70.0 L Temperature = -12.0oC Pressure = 1 atm

Q: If a sample of gas at constant pressure has a volume of 441 mL at 36.5 °C, what will its volume be…

A: Given, Initial Volume = 441 mL  Initial Temperature = 36.5°C  Final temperature = 77.6°C  Final…

Q: Which of the following statements-are true? 1. Gas particles are in constant motion. 2. Collisions…

A:

Q: How many grams of mercury are present in a barometer that holds 6.2 mL of mercury?

A: We have to calculate the mass of Hg.

Q: If the temperature of a 17.5 mL sample of N2 gas is increased from 25.0 °C to 75.0 °C as its…

A:

Q: One mole of a gas occupies 68.7 L and its density is 1.17 g/L at a given temperature and pressure.…

A: Density =1/volume Use this and get the answer

Q: Dentists sometimes use laughing gas (N2O) to keep patients relaxed during dental procedures. A…

A:

Q: If the temperature of a 14.0 mL sample of N₂ gas is increased from 25.0 °C to 75.0 °C as its…

A: Charles's law states that the volume of a given amount of gas is directly proportional to its…

Q: What is the volume of 30.0 g of argon gas at 157°C and 2.50 kPa pressure?

A: By combining three lawsBoyle's law V α1P ( Constant T and n )           equ -ICharle's law V α T (…

Q: If the temperature of a 23.5 mL sample of N₂ gas is increased from 25.0 °C to 75.0 °C as its…

A:

Q: At what temperature does uranium hexafluoride have a density of 0.9600 g/L at 0.5073 atm?

A: Use equation PM= dRT  Molar mass of UF6 = 352 gm/mole

Q: If the temperature of a 25.0 mL sample of N₂ gas is increased from 25.0 °C to 75.0 °C as its…

A: According to Charles's law for an ideal gas  V ∞T Then V1T1=V2T2 Where V1 and V2 are volumes of…

Q: At what temperature does uranium hexafluoride have a density of 0.7040 g/L at 0.5073 atm?

A:

Q: A quantity of gas weighing 7.8 g at 755 torr and 40°C occupies a volume of 6 liters. What is its…

A: The ideal gas equation relates the pressure and volume and moles of a substance at a particular…

Q: what volume will 454 grams (1 lb.) of hydrogen occupy at 1.05 atm and 25C

A:

Q: What quantity in moles of chlorine gas at 12.0 celsius and 33.3atm would occupy a vessel of 27.5L

A: Given :  Pressure = 33.3 atm  Volume = 27.5 L  Temperature = 12.0°C  To calculate :-  Number of…

Q: A 50.0-L gas cylinder contains 3.80 g H, at 25°C. What is the pressure of the gas? Enter your answer…

A: Given, Volume = 50 L, temperature = 25℃ = 298 K, Mass of H2 = 3.8 g

Q: If the temperature of a 21.5 mL sample of N₂ gas is increased from 25.0 °C to 75.0 °C as its…

A:

Q: How fast will nitrogen gas travel if carbon dioxide moves at a rate of 9.56 x 1026 molecules per…

A: According to Graham’s law, if a mixture contains two gases, then the rate of effusion at constant…

Q: What is the volume, in liters, of 4.00  moles of methane gas, CH4, at 18 Celsius and 1.40atm

A: Given, Number of moles of  methane (CH4) gas =4.00 molpressure of gas =1.40 atmtemperature of gas…

Q: If the temperature of a 29.0 mL sample of N2 gas is increased from 25.0 °C to 75.O °C as its…

A: At constant pressure, the volume of the gas is directly proportional to the temperature of the gas.…

Q: At what temperature would the gas occupy a volume of 200 mL if the gas occupies a volume of 150 mL…

A:

Q: What is the density of mustard gas, C4H8Cl2S, at 265 mmHg and a temperature of 315K

A: Given,Pressure = 265mmHg.Temperature = 315K.Density is the ratio of mass and volume.  From ideal gas…

Q: If the temperature of a 17.0 mL sample of N₂ gas is increased from 25.0 °C to 75.0 °C as its…

A:

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

A:

Q: If 0.100 moles of argon gas occupies 2.15 L at 0.95 atm, what is the temperature in degrees Celsius?

A: Given information,

Q: If the temperature of a 10.5 mL sample of N₂ gas is increased from 25.0 °C to 75.0 °C as its…

A: Given that, The temperature of the N2  gas in increased form 25 oC to 75 oC The initial volume of…

Q: A sample of carbon monoxide gas occupies 125 mL at 20.0°C and 455 mm Hg. If the volume of gas is…

A: Ideal gas is a theoretical gas composed of many randomly moving point particles that are not subject…

Q: In any of the equation forms for the Ideal Gas Law, IGL, volume must be in what units?  a mL  b…

A: The ideal gas law is, PV=nRT where, P, V, and T are pressure, volume, temperature, n is the amount…

Q: Calculate urms, in meters per second, for H2(g) molecules at 30 ∘C.

A: Root Mean Square speed (RMS) is the measure of the speed of the particles present in the gas…

Q: An unknown amount of hydrogen gas fill a 1.5 L balloon at 868 torr while at 92.1 °F. What would the…

A: The new volume of the balloon can be calculated by - V1/T1 = V2/T2 Here, V1 = initial volume of the…

Q: Suppose the temperature of a sample of methane gas is lowered from 22.0 °C to 7.0 °C, and at the…

A: The expression of ideal gas equation is shown below: PV = nRT Where; P = pressure V = volume n=…

Q: If the temperature of a 30.5 mL sample of N2 gas is increased from 25.0 °C to 75.0 °C as its…

A: Charles law states that at constant pressure volume of the gas is directly proportional to the…

Q: Two identical balloons are filled to the same volume, one with airand one with helium. The next day,…

A: The Graham’s law proposes that, The square root of the molar mass of a gas is inversely related to…

Q: What is the density of N2O gas at 125 degrees celsius and 0.85 atm?

A:

Q: 0.374 m3 of hydrogen was observed at −7.0 oC and atmospheric pressure (105 Pa). The relative…

A:

Q: If the temperature of a 14.5 mL sample of N₂ gas is increased from 25.0 °C to 75.0 °C as its…

A: Consider the given information is as follows; Initial volume V1=14.5 mLFinal volume V2 = ?Initial…

Q: A syringe containing 1.47 mLmL of oxygen gas is cooled from 94.5 ∘C∘C to 0.8 ∘C∘C. What is the final…

A:

Q: How many milligrams of ammonia gas, NH3, are present in a 78.9 mL sample at STP conditions?

A: Given: Volume of gas = 78.9 ml To find: Mass of ammonia (NH3) =. ?

Q: 8. What would be the new volume if the temperature on 450 mL of gas is changed from 45°C to -5°C?

A:

Q: A scuba diver's tank contains 0.250kg of O2 compressed into a volume of 3.10L. What volume (in…

A: The gas constant (R) in L atm/mol K is equal to 0.082 L atm/mol K. The mass of 0.250 kg is…

Q: At what temperature does uranium hexafluoride have a density of 0.7360 g/L at 0.5073 atm?

A: Given:   Density = 0.7360 g/L. Pressure = 0.5073 atm.

Q: a gas mixture with a concentration 320 micrograms of chlorine gas per cubic meter at 30 degree…

A: The solution which contains a solute in particular quantity of solvent is known as concentration.

Q: If 2.25 L of a gas at 16° C and 1.00 atm is compressed at a pressure of 125 atm at 20° C, calculate…

A: Given, Initial volume (V1) = 2.25 L Initial temperature (T1) = 16 0C = (273+16) K = 289 K Initial…

Q: At 39 °C, a gas occupies 45.5 mL. If the temperature is cooled to 2 °C, what will the new volume be?…

A: According to charle's law-  At constant pressure,volume occupied by gas is directly related with the…

Q: If there are 1.4 x 103 mg of chlorine gas at STP, how many liters does this occupy? to the nearest…

A: Calculate the number of moles of chlorine gas. The molar mass of chlorine gas is 71 g/mol. Number of…

Q: A gaseous mixture of Xe and F 2 has a density of 3.244 g/L at 2.566°C and 619.5 mm Hg. What is the…

A: Formula used Pm = dRT where  p= pressure, m = molar mass, d = density  R = gas constant, T=…

Q: An unknown diatomic gas has a density of 3.164 g/L at STP. What is the identity of the gas?

A: Suppose molar mass of the diatomic gas is A Number of moles of gas = Mass/Molar mass…

Q: If the sign contains neon at a pressure of 1.73 torr at 31°C, how many grams of neon are in the…

A: Given data :  Diameter of neon tube= 2.5 cm = 0.025 m  Radius of tube = 0.0125 m  Height/length of…

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.