5.6 liters of sulfur trioxide gas at STP weighed 20 grams. Calculate the density and the gram-molecular mass of the gas.

Q: 25 L  of a gas were collected over water when the barometer read 590.0 mmHg  and the  temperature…

A: The gaseous state is the state of matter with least intermolecular force of attraction between…

Q: At STP a sample of gas with a mass of 29.9 grams occupies 3.80 L. What is the molar mass of this…

A: 1 mole = 6.022×1023 [Avogadro's number ] The mass of one mole of molecules of a gas is called molar…

Q: Calculate the Molecular weight of a 3.39 liter sample of an unknown gas with a mass of 68.87 grams…

A: Equation at STP is   PV = nRT   ….(1), Where P = 1atm , and T =  273 K, V = 3.39 L, Substitute all…

Q: At 30oC, a gas cylinder containing nitrogen has an internal volume and pressure of 58.5 L and 1.75 *…

A: All matter can be classified as solid, liquid and gases mainly. In these physical states of matter,…

Q: The density of a gas at STP is found to be 2.8 g/L. What is the formula of the gas?

A: Concept:  As we know that density is defined by ratio of mass to the valume. Density = molar mass/…

Q: Suppose the O, gas evolved by a certain chemical reaction taking place at 50.0 Cis collected over…

A: Given: Temperature = 50oC Volume of gas collected in the collection tube = 118 mL To determine: Mass…

Q: Calculate the density, in grams per liter, of a gas at STP if 1.30 L of the gas at 12.6 °C and 782.6…

A: This question involves the combined gas law. The equation for the combined gas law is:

Q: Assuming ideal gas behavior, what is the molar mass of unknown gas X, which has a density of 0.80…

A: We know that at STP  Temperature is 273 k Pressure is 1 atm

Q: 8.00 gram mixture of copper (II) sulfide and iron (II) sulfide reacted with excess nitric acid and…

A: Given the mass of mixture = 8.00 g composition of mixture is copper (II) sulfide, CuS(s) and iron…

Q: What is the partial pressure of oxygen if the total pressure of wet gas is 705 mmHg, and the oxygen…

A:

Q: 3. A chemist carried out a chemical reaction that produced a gas. It was found that the gas…

A: PV = nRTP=1 atm V= 1500ml =1.5 litre n=Weight Gram molecular weight R =0.0821T = 273 K Gram…

Q: Calculate the density of nitrogen dioxide gas at 765 Torr and 20oC.

A: Given: The pressure of N2, (P) = 765 Torr = 1.006 atm. The temperature of N2, (T) = 20oC = (273+20)…

Q: At 1.391.39 atm and 22.75 ∘C22.75 ∘C, a 2.772.77 g sample of gas occupies a volume of 15501550 mL.…

A: An ideal gas is an hypothetical gas where the particles are randomly moving with no inter-particle…

Q: What is the density (in g/L) of oxygen gas at 77.0 °C and 700.0 torr?

A: Number of moles = given mass / molar mass   PV = nRT PV =w/m RT P = w/v RT/m P = f * RT/ m f =…

Q: If the density of a gas is 1.2 g/L at 745. Torr and 20 C. What is its molecular mass

A: From Ideal gas equation it is known that------- pV = nRT where p is the pressure , V is the volume…

Q: A flask contains 201 mL of Argon at 21oC and 738 mmHg. What is the volume of gas, corrected to…

A:

Q: 4. Calculate the mass of a 4.5 L balloon filled with chlorine gas at 67.0°C and 103.2 kPa?

A: The pressure, volume, temperature and number of moles of a an ideal gas is related to each other by…

Q: Calculate the density of sulfur hexafluoride gas at 703 torr and 21 °C. Express the density in grams…

A: Given, Gas = sulfur hexafluoride pressure =703 torr temperature =21°C=(21+273)K=294 K

Q: Calculate the molar mass of an unknown gas that has a mass of 4.55g, exerts a pressure of 2.55atm,…

A: We are given gas having the mass of 4.55 gram and  it exerts a pressure of 2.55 atm and occupies a…

Q: Calculate the density of fluorine gas (in g/L) at 35.0∘∘C and 785mmHg.

A: The question is based on the concept of physical chemistry. We have to calculate density of fluorine…

Q: An anesthetic gas contains 64.81% carbon, 13.60% hydrogen, and 21.59% oxygen, by mass. If 2.00 L of…

A: Given: The mass % of carbon=64.81% The mass % of hydrogen=13.60% The mass % of oxygen=21.59% The…

Q: 195 mL gas was collected over water at 25 Cand 753 mm of Hg. What mass of H was collected?

A: An ideal gas refers to a gas which is composed of particles that move randomly  just like all other…

Q: if 2.00 moles of NO gas occupies 10.00L at 22.0 Celcius, what is the pressure of the gas in…

A: Given  Number of mole ( n ) = 2 mole  Volume ( V )         = 10 Liter  Temperature ( T )  = 22 ℃…

Q: What volume does 15.0g sample of helium (He) gas at 25C and 1.66 atm occupy?

A: Calculate the number of moles of He gas nHe = WHeMHenHe = 154 molnHe = 3.75 mol   Here, n stands for…

Q: 10. Calculate the partial pressure of each gas, and the total pressure of all gases, if 5.00 grams…

A: Mass of Ne = 5.00 g  Mass of Ar = 10.00 g  Volume of vessel V = 8.00 L Temperature T = 273.15 K…

Q: A laboratory technician forgot what the color coding on some commercial cylinders of gas meant but…

A:

Q: How many moles of helium gas occupy 13.9 LL at 103 KK and 2.30 atmatm?

A: According to ideal gas law  PV = nRT Where volume of n mols of gas at temperature T and pressure P =…

Q: 15. The density of a certain gas at 27.0°C and 98.66 kPa is 2.53 g/L. Calculate its molecular mass.

A:

Q: An anaesthetic gas contains 64.81% carbon, 13.60% hydrogen, and 21.59 % oxygen by mass, If 2.00 L of…

A: Given: Volume of gas = 2.0 L Temperature = 25 oC Pressure = 0.420 atm mass =2.57 g % of carbon =…

Q: How many moles of chlorine gas at 120. °C and 33.3 atm would occupy a vessel of 13.5 L?

A: The number of moles of chlorine can be calculated by using the ideal gas equation,

Q: At what temp will a 3.00g sample of neon gas exert a pressure of 459torr in a 3.00L container? What…

A: Ideal Gas Law :-  PV = nRT  P is the pressure of gas  V is the volume occupied by gas n is the…

Q: 4. How many moles of neon gas are there if 25.0 liters of the gas are at 5.0°C with a pressure of…

A: Answer:- This question is answered by using simple concept of calculation of moles of a gas at the…

Q: 4. A 30.6 g sample of gas occupies 22.414L at STP. What is the molecular weight of this gas?

A: As per the ideal gas equation: PV=nRT where, P = Pressure of gas V = Volume occupied by the gas n =…

Q: "Calculate the total pressure of mixture of 1.31g of nitrogen gas. 2.53g of hydrogen gas, and 3.26g…

A:

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

A:

Q: Calculate the density of hydrogen gas (in g/L) at 43.0C and 700.0 torr.

A: Given: Temperature = 43.0 oC = 316 K Pressure = 700 torr = 0.921 atm Molar mass of hydrogen gas (H2)…

Q: A sample of dry gas weighing 3.1134 grams is found to occupy 3.650 L at 22.0°C and 740.0 mmHg. How…

A: We have to predict the moles of the gas .

Q: If you have 3.3 moles of a gas at 200.13 mL and 27.0 oC, what is its pressure?

A: ideal gas equation  PV=nRT P=pressure V=volume n=no of moles R=gas constant T=temperature P=nRT /V…

Q: At 1.10 atm and 14.23 ∘C, a 2.15g sample of gas occupies a volume of 2.10×103 mL. Calculate the…

A: Given pressure = 1.10 atm volume = 2.10 × 103 ml Temperature = 14.23°C mass = 2.15 g

Q: Calculate the density of sulfur hexafluoride gas at 410 torr and 34 °C.

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

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: 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: The density of NO2 in a 4.50 L tank at 760 mmHg and 25 C is

A: Please find the attachment

Q: How many moles of CH4 gas would occupy 3.01 L at 101.3 kPa pressure and 30 C?

A: Given :-  Pressure of the gas = 101.3 kPa  Volume of the gas = 3.01 L  Temperature = 30 °C  To…

Q: At 1.29 atm and 29.54∘C, a 3.14 g sample of gas occupies a volume of 1.70 ×103 mL. Calculate the…

A: Given, P= 1.29 atm  Mass = 3.14 g Volume = 1.70 ×103 mL T = 29.54∘C

Q: Calculate the density of ammonia gas g/L at 100.0C and 2.00 atm

A: Temperature = 100 oC or 373 K Pressure = 2 atm Universal gas constant (R) = 0.0821 atm L mol-1 K-1…

Q: If 3 L of a gas is mesured at STP ( Standard Temperature and Pressure) has a mass of 5.35 g,…

A: The volume that one mole of gas occupies at STP is called molar volume. It is equal to 22.4 L/mol at…

Q: Calculate the density, in grams per liter, of a gas at STP if 2.05 L of the gas at 27.5 ∘C and 758.7…

A: Given data STP conditionsPressure (P1) = 760mm of HgTemperature (T1) = 273KVolume (V1) = ?? Final…

Q: If gas X has a density of 4.98 g/L at STP, what is the molar mass of gas X?

A: From ideal gas equation  P V = n R T                  n= mol= mass/molar mass P V = (w/M) R T  P M =…