7) Air has a density of 1.2g/liter at 25°C and a pressure of 4 atmospheres. What would be the Does this mean that CO, rises or falls in air? Show proof of these two gases by solving for density of CO, at these same conditions? What about Helium? their densities.

Q: If 0.875 L of gas at 286 K expands to 1.731 L at 311 K and 1.54 atm, what was its initial pressure?…

A: Two questions based on gas law, which is to be accomplished.

Q: 1. a) Consider the following balanced chemical equation: 2AI(s) + 3C12(g) 2AIC13(s) Determine the…

A:

Q: 25. 600 mL of a gas at 345 kPa will occupy a volume of (A) 1200 mL (B) 300 mL (C) 690 mL (D) 255 mL…

A:

Q: b. Describe the relationship between average kinetic energy and the root mean square velocity of a…

A: Applying kinetic theory of gases.

Q: organic compound with the general formula C,H,Sz, contains 69.57% S and 26.05 % C by mass. In the…

A:

Q: A given mass of air has a volume of 6.00 L at 101 kPa. What volume will it occupy at 25.0 kPa if he…

A: In this question, we want to determine the volume of the gas at 25.0kPa pressure and also give the…

Q: . In a hospital an oxygen cylinder contains 423 L of pure oxygen at a pressure of 136 atm. What is…

A: In this question, we will determine the volume of oxygen gas at 1.00atm when temperature and number…

Q: 4 If I initially have a gas with a pressure of 945 kPa and a temperature of 35.0°C °C, what will the…

A: Gay- Lussac's law: At constant volume for a given amount of gas pressure of a gas is directly…

Q: The number density of atoms (chiefly hydrogen) in interstellar space is about 10 per cubic…

A: From ideal gas, P = nRT / V

Q: You have 1.79mol (n) of a gas with a pressure of 22.64atm (P) and volume of 7.2L (V). What is the…

A: • Since there is given that,  The moles of gas, n = 1.79 mol                Pressure, P = 22.64 atm…

Q: A mixture of nitrogen gas and fluorine gas at 75 degrees Celsius contains twice as many moles of…

A: Given: The temperature of the gas mixture = 75 degrees Celsius. The gas mixture contains twice as…

Q: A scuba tank has been completely emptied by opening the valve (again, by empty, do we mean…

A: According to ideal gas law, the volume of a gas is directly proportional to the number of moles of a…

Q: 42. Monochloroethylene gas is used to make polyvinylchlo- ride (PVC). It has a density of 2.56 g/L…

A: Calculation for molar mass:

Q: A 420.0ml volume of O2 gas is collected over water at 24*C and 750.0 Torr. The gas weighs 0.534g.…

A: The gas(O2) initially has volume of 420.0 mL, temperature of 24 oC(297 K), and pressure of 750.0…

Q: A college chemistry student is solving this problem: "Determine the initial volume, in m³, of a gas…

A:

Q: A 420.0ml volume of O2 gas is collected over water at 24*C and 750.0 Torr. The gas weighs 0.534g.…

A: Given that : The volume of O2 gas = 420.0 mL Temperature = 24°C The pressure of O2 gas = 750.0 torr…

Q: Container A contains 1.00 mole of Ne gas and Container B contains 1.00 mole of He gas. Both gases…

A: We have  given that  In container A 1 mole of Ne gas In container B  1 mole of He gas both the gases…

Q: A balloon 18.5 m in diameter is inflated with helium 21°C and the atmospheric pressure of98.7…

A: (a) Given The diameter of balloon is 18.5 m. The temperature is given as 21 C. The pressure is 98.7…

Q: A 2.27 g sample of an unknown gas occupies a volume of 2.07 L at 1.33 atm and 24.94 °C. Determine…

A:

Q: A balloon contains 30 L of helium gas at 100 kPa. What is the volume when the balloon rises to an…

A: Here given, Initial pressure (P1) = 100 KPa = 0.986923 atm (1 atm = 101.325 KPa) Initial volume (V1)…

Q: A balloon has a pressure of 137 kPa and a volume of 93.0 L. If the temperature is held constant,…

A:

Q: 6. Carbon monoxide and carbon dioxide are at the same temperature. Which moves faster? 7. How does…

A: The  molecular mass of CO is 28.01 amu, whereas molecular mass of CO2 is 44.01 amu. The rate of…

Q: 5. Oxygen gas reacts with powdered solid aluminum to produce solid aluminum oxide. What volume of…

A:

Q: Calcium reacts with water to produce gas and aqueous calcium hydroxide. Write the balanced equation.…

A: As per the information the balanced chemical equation for the reaction is as follows:

Q: Compare the particle volume of 1 mole of neon atoms to the volume occupied by 1 mole of neon gas…

A: Kinetic gas theory is a model that was proposed to explain thermodynamic behaviour of gases.

Q: 1L of a gas at STP weighs 1.97g. What is molecular mass?

A:

Q: A box contains equal amounts of helium, argon, and krypton (all gases) at 25 °C. Using complete…

A: At a particular temperature, all gases have same average kinetic energy. It is the kinetic theory of…

Q: A sample of 25.0 mL of liquid methanol (MW: 32.04 g/mol, density: 0.8501 g/mL) is reacted with 10.0…

A: Density = mass/volume  So, mass = density × volume  Number of moles = mass/molar mass   Ideal Gas…

Q: Consider the unbalanced chemical equation below: CaSiO3 (s) + HCl (g) --> CaCl2 (aq) + SiCl4 (g) +…

A:

Q: A 2.00 L pocket of air at sea level has a pressure of 100 kPa.  Suppose the air pocket rises and…

A: Initial volume = V1 = 2.00 L Initial pressure = P1 = 100 kPa   Volume after expansion (final volume…

Q: 6. What is the densest known gas at standard temperature and pressure (STP)? What is its density?

A: Density of as gas can be calculated as: Density = MassVolume At standard temperature and pressure,…

Q: At 25 degrees Celsius at 1.0018 pressure it is found that 2.24 Liters of gas weighs 3.11 grams. It's…

A:

Q: A 8.00 L tank at 7.18 °C is filled with 3.89 g of dinitrogen difluoride gas and 7.15 g of carbon…

A:

Q: What is the density of ammonia gas, , at 35°C and 757 mmHg? Obtain the density in grams per liter.

A: Given: Temperature = 35.0 oC = 308 K Pressure = 757 mmHg = 0.9960 atm Molar mass of ammonia gas…

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

A: The mass of air (mair), having molar mass = 28.8 g/mol, in an air-filled tire is; 125 psi=8.51…

Q: A box contains equal amounts of helium, argon, and krypton (all gases) at 25 °C. Using complete…

A:

Q: A mixture of gas contains 55.00% fluorine, 12.00% neon, and 33.00% chlorine, by volume. What is the…

A:

Q: If I mix 4.76 grams of nitrogen, 3.71 grams of hydrogen and 5.8 grams of helium in a flask. If the…

A: The number of moles in the given mass of the gaseous molecule is calculated as shown in equation…

Q: a For the following set of pressure/volume data, calculate the missing quantity. Assume that the…

A: By using Boyles law, Pressure is inversely proportional to its volume at constant Temperature.  ie;…

Q: A balloon filled with helium has a volume of 30 L at a pressure of 100 kPa and a temperature of…

A:

Q: organic compound with the general formula CxHyOz contains 69.57%s and 26.05 % C by mass. In the gas…

A: The ideal gas law is the equation of the state of a hypothetical ideal gas. The ideal gas equation…

Q: #4

A: Given, Mass of CO2 = 22.0g. Temperature = 350C. Total pressure = 790 mm Hg. Moles of CO2 can be…

Q: A sample of helium gas has a volume of 3.67Lat 29°C. What volume will it occupy at 208°F if the…

A: Given:- Initial volume = 3.67 L              Initial temprature = 29 oC              Final…

Q: A 1.00-L sample of an unknown gas weighs 0.785 g and is at 0.965 atm and 29.2°C. What is the…

A:

Q: A molecule of oxygen gas has an average speed of 15.6 m/s at a given temp and pressure. What is the…

A: Recall the expression of average speed             Cav=8RTπMwhere, R is molar gas constant,T is…

Q: Exactly 4.00L of air at 223K is warmed and expands to 6.00L of volume. What is the new temperature…

A: Here the pressure is kept constant and the volume and temperature is varying. As per the gas law…

Q: As per KMT, which one will have a higher volume at the same temperature and pressure – one mole of…

A: The ideal gas equation is as follows, PV = nRT