1) A balloon contains 0.158 mol of gas and has a volume of 2.46 L. If an additional 0.113 mol of gas is added to the balloon, (assuming constant temperature and pressure) wha is its final volume?

Q: 1. The volume of a gas sample at 20 °c is 2 L. At what temperature should the gas be to increase the…

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Q: A sample of 0.57 mol hydrogen gas (H2) is kept at 0°C. What volume will it occupy at this…

A: The empirical relationships among the volume, the temperature, the pressure, and the amount of a gas…

Q: How many moles of air are present in the lungs if they occupy a volume of 5.9 L at 38°C and 744 mm…

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

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Q: An 11.2 L sample of gas is determined to contain 0.5 moles of nitrogen. At the same temperature and…

A: When conditions are given that the pressure (P) and temperature (T) of any specific gas are…

Q: 1. A clean, dry and open empty flask is being heated in a water bath. Under which conditions before…

A: the answer is as follows:

Q: If 22.5L of nitrogen at 748mm Hg are compressed to 725mm Hg at constant temperature, what is the new…

A: According to Boyle’s law:

Q: A balloon contains 0.115 mol of gas and has a volume of 2.87L If an additional 0.132 mol of gas is…

A: According to Ideal gas equation,  PV = nRT   where, P = pressure of gas V = volume occupied by the…

Q: If 0.55-g of a gas occupies 0.200-L at 0.968 atm and 289 K, what is the molecular mass of the gas?

A: Given data: The mass of gas m=0.55 g. The volume of gas V=0.200 L. Pressure P=0.968 atm. Temperature…

Q: 1. a) What is the volume occupied by 23.0 g argon gas at a pressure of 1.15 atm and a temperature of…

A: Ideall

Q: Please complete on paper. How much volume is occupied by one moie of a gas at STP?

A: Number of atoms, ions and molecules present on a given amount can be determined by “Mole Concept”.…

Q: What mass of air, in g, would be found in a 2.0-L party balloon?

A: Given that: volume of balloon =  2.0 L = 2000 mL   (use, 1 L = 1000 mL) To find: mass of air in…

Q: At constant pressure, a sample of gas occupies 420 mL at 250 K. What volume does the gas occupy at…

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Q: If 7.56 L of a gas are collected at a pressure of 745 mm Hg, then what volume will this gas occupy…

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Q: An experiment shows that a 113 mL gas sample has a mass of 0.171 g at a pressure of 721 mm Hg and a…

A: given values : volume = 113 mL = 0.113 L pressure =721 mmHg = 721760 atm                  =0.94 atm…

Q: If 26.0 g of Ar(g) occupies a volume of 4.95 L, what volume will 1.09 moles of Ne(g) occupy at the…

A: The molar mass of Ar = 40g/mol  The ideal gas equation states that: PV1 = nRT   .......... 1 Given:-…

Q: 2. The synthesis of sodium chloride occurs according to the reaction: Na(s) Ch(g) NaCl(s) +] What…

A: Applying mole concept and gas law.

Q: A 4.83 mol sample of Kr has a volume of 531 mL. How many moles of Kr are in a 6.53 L sample? Assume…

A: Convert unit of volume into L:

Q: At 4.00 L, an expandable vessel contains 0.864 mol of oxygen gas. How many liters of oxygen gas must…

A: According to ideal gas law, PV = nRT where P = pressure V = volume n = moles R = gas constant T =…

Q: True or False  When the pressure on a sample of a gas is increased, the particles move closer…

A: When the pressure on a sample of a gas is increased, the gas molecules get more crowded and the…

Q: i the empty bulb/flask is compared with that of the mass of the bulb/flask with the volatile liquid…

A: In the Dumas Method for determining the molar mass of an unknown liquid with a boiling Point less…

Q: 2. A 275 mL gaseous sample has a pressure of 732.6 mm Hg at 98 °C, how many moles of gas are in the…

A: Given, T = 98°C  P = 732.6 mm Hg  V = 275 mL  n = ?

Q: A gas at STP has a volume of 41.8 L.  How many moles of gas are present?

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Q: What pressure must be applied to 225 mL of gas at 1 atm to reduce its volume to 100 ml?

A: The answer to the following question is-

Q: What is the mass (in grams) of a CO gas sample that occupies 5.77 L at STP?

A: Given: At STP The volume of the CO gas=5.77 L Mass of CO gas=? At STP: Temperature, T=273 K…

Q: A sample of carbon dioxide gas collected at a pressure of 0.745 atm and a temperature 302 K is found…

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Q: A mixture contains O2 at 429 torr pressure, F2 at 794 torr pressure, and Cl2 at 171 torr pressure.…

A: Total pressure is given by Dalton's law i.e. total pressure is equal to sum of partial pressure of…

Q: Magnesium is oxidized with oxygen gas to form magnesium oxide. What Volume of Oxygen at STP is…

A: The reaction is shown below:

Q: How many moles of gas are contained in 890.0 mL at 21.0 °C and 0.98 atm pressure?

A: Given , Volume of gas ( V ) = 890.0 mL = 0.890 L Temperature ( T ) = 21.0°C = (21.0+273.15)K =…

Q: Describe any one of the gas laws that led to the Ideal Gas Law.

A: Any gas is described by using four terms namely pressure, volume, temperature and the amount of gas.…

Q: What is the molecular mass of this gas?

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Q: Argon gas has a density of 1.40g/L at standard conditions. How many argon atoms are in 1.0L of argon…

A: Given data,    Density of argon gas = 1.40 g/L   Volume of argon gas = 1.0 L

Q: How many He atoms are in 49.5 L of He gas at STP?

A: Given, volume of He = 49.5 L

Q: 3. 1.78 Lof gas is at a pressure of 735 torr. What is the volume in liters (L) when the pressure…

A: Initial pressure of gas (P1) = 735 torr Initial volume of gas (V1) = 1.78 L Final pressure of gas…

Q: 1. What is the molar mass of a gas if 0.427 g of the gas occupies a volume of 125 mL at 20.0°C and…

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Q: What is the pressure in kilopascals of a gas that exerts a pressure of 825 torr? Use your chart for…

A: A conversion is a transition of one metric unit into another system of units. It is done by using a…

Q: 12) The partial pressure of argon gas, making up 40% of a mixture, is 325.o torr. What is the total…

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Q: If 3.9 of propane are at a temperature of 48 c and are under 1.5 atm of pressure , what volume does…

A: Amount of propane = 3.9 g Temperature = 48˚C Pressure = 1.5 atm Volume = unknown Calculation of no.…

Q: What mass (in grams) of CH4 occupies 746 mL at 115 °C and 648 mm Hg?

A: Given information: Volume = 746 mL Pressure = 746 mmHg Temperature = 115 ℃

Q: If a gas sample weighed 3.97 grams occupies 2.768 liters at STP what would be the molas mass of this…

A: Calculation for number of moles:At STP, 1 mole of any gas occupies 22.4 Litre of Volume

Q: A balloon containing 3.50 moles of SO2 gas has a volume of 836 mL at a certain temperature and…

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Q: A sample of helium gas collected at a pressure of 1.11 atm and a temperature of 285 K is found to…

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Q: If 0.60 g of a gas occupies 300mL at 27°C and 630mm Hg of pressure, what is the molar mass of the…

A: Given that,Mass of the gas=0.60 gVolume of the gas=300mLT=300KP= 630mmHg

Q: What relationship would I expect to see between the pressure of a gas and the number of moles of…

A: This problem can be solved using ideal gas equation which is given below PV=nRT  Where , P =…

Q: what is the molar mass of the gas?

A: Given :-  Mass of gas = 0.700 g  Volume occupied by gas = 198 mL  Temperature = 30°C  Pressure = 665…

Q: A sample of helium gas collected at a pressure of 1.25 atm and a temperature of 302 K is found to…

A:

Q: A 47.6-mL sample of gas in a cylinder is warmed from 24 °C to 87 °C. What is its volume at the final…

A: Given, Initial volume, V1 = 47.6 mL Initial temperature, T1 = 24 oC = (273.15 + 24) K = 297.15 K…