The name of the 9th most abundant gas in dry air at sea level is _________

Q: 3. What are some beneficial applications of gases and some problems associated with gases?

A: 3.Gasses are light in weight and gas molecules are always in motion so gases can easily be…

Q: Calculate the mass of each gas sample at STP.(a) 5.82 L NO(b) 0.324 L N2(c) 139 cm3 Ar

A: Given: vol of NO =  5.82 L NO  vol of N2 = 0.324 L N2 vol of Ar = 139 cm3 Ar   We know, Molar mass…

Q: What volume ofH,0(g) measured at STP is produced by the combustion of 6.50 g of natural gas (CH ) in…

A: Mass of CH4 = 6.50 g Molar mass of CH4 = 16 g mol-1

Q: 2- What is the density of neon gas in g/L at STP? A. 452.3 B. 226.0 C. 1.802 D. 0.9018

A: molar volume of gas at stp = 22.4 L molar mass of Neon = 20.14 g denisty = mass/volume

Q: pxygen gas? 2SO2(g) + O2(g) → 2SO3(9); A

A: When the decomposition of sulfur trioxide (SO3) occurs , the opposite reaction happens and therefore…

Q: Assuming ideal conditions, the volume of 1.00 mol O2(g) at STP is 22.41 L. Under the same…

A: using the ideal equation, we can find the another volume at STP PV=nRT V1=22.4L, n1=1 mole and V2=?…

Q: What should be the temperature of oxygen for density to be 1.50 g/L at 890 mm Hg?

A: Density = 1.50 g/L  Pressure ,= 890 mm Hg  Temperature = ?

Q: A sample of an unknown compound is vaporized at 170.°C . The gas produced has a volume of 510.mL at…

A: m = 0.450 g  V = 0.510 L  T = 170°C = (170 + 273)K = 443 K  P = 1 atm  R = 0.0821 L.atm/mol.K  M = ?…

Q: The Ozone gas at STP contains (6.022 x 10^23) molecules. O Flase O True

A: Solution : The fomula of ozone gas is O3. STP means Standard Temperature pressure. The conditions of…

Q: What mass (in grams) of oxygen gas will occupy 250.0 mL at 754.0 mm Hg and 25.0 oC?

A: The combined relation between gas laws is known as the ideal gas law or the gas equation. The…

Q: What is the volume for 2.00 mole of gas at STP? O 11.2 L O 44.8 L O 22.4 L

A:

Q: Calculate the pressure of 15.0g of CH4 gas at 37.0oC which occupies 2.20 L.

A: Given :-  Amount of CH4 = 15.0 g  Temperature = 37.0°C  Volume = 2.20 L  To calculate :-  Pressure

Q: The gas, xenon, is found in dry air at sea level at a concentration of 0.0800 ppm. At a pressure of…

A:

Q: 1.6 4. 72.1 g of Ne gas at STP will occupy how much volume?

A: 4. The mass of Ne gas is = 72.1 g The volume of the gas at STP is =?

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: Be sure to answer all parts. Enter your answer in scientific notation. A gas-filled balloon having a…

A: From the combined gas laws we can calculate the volume .

Q: Pressure conversion: Convert 30.03 inches Hg to atmospheres. (Hint: First convert to cm Hg, then to…

A: Given : 30.03 inches Hg To find : Convert it to atmospheres Solution: Pressure can have many units…

Q: Assume that 67.0 L of N2 gas are needed to inflate an airbag to the proper size. How many grams of…

A: The reaction for the formation of N2 from NaN3 – 2NaN3s →2Nas +3N2g

Q: Calculate the volume of a 4.25 g of 02 gas at STP. *

A:

Q: A sample of carbon dioxide occupies 475 mL at a temperature of 19 °C a a pressure of 375 mm Hg. What…

A: Given data set: Carbon dioxide gas has volume= 475 ml = 0.475 L Temperature= 19 °C = 292 K Pressure…

Q: What volume of dry gaseous HBr can be obtained at STP from the reaction of 81.2 g of PBr3 with…

A: Given, The amount of PBr3 = 81.2 g The molecular weight of PBr3 = 270.7 g/mol.

Q: Why SO2 contentration in the air higher at day time than night? Please write one paragraph with the…

A: The major gases that cause air pollution are carbon monoxide (CO), carbon dioxide (CO2), nitrogen…

Q: 17. Calculate density of gaseous N2O0 gas at STP.

A: We will calculate the density of N2O gas at STP.

Q: faypen gas has a volume of 450Lat 27C and B000on How many onype ules does it contain 1 10 O sa 10 O…

A: Given :  The volume of the gas (V)= 4.50 L Temperature, T=27oC =27 + 273 =300 K Pressure, P=800…

Q: What volume of chlorine gas at 20.0°C and 95.5 kPa is needed to produce 65.0g of HCI? H2 + Cl2 2HCI…

A: Given the chemical reaction as follows,H2+Cl2→2HClwe are to calculate the volume of chlorine gas at…

Q: Calculate the pressure (in mmHg, density of Hg = 13.6g/ml)) for a column of water density of…

A:

Q: How many grams of CaH2(s) is required to prepare 3.00 L H2(g) at STP? CaH2(s) + 2H,0(g) →Ca(OH)2(s)…

A: Number of moles of hydrogen at STP is, No.of moles=Volume of H222.4 LNo.of moles=3.00 L22.4 LNo.of…

Q: The gas, carbon monoxide, is found in dry air at sea level at a concentration of 0.100 ppm. At a…

A:

Q: What mass of magnesium is needed to produce 80mL of hydrogen gas at STP? A) 0.868 B) 0.0868 C)…

A: Since there is no reaction given in question. Hence I'm assuming the reaction is Mg + 2 H2O…

Q: What volume will 4.25 g of helium gas occupy at 92 °C and 770. mm Hg pressure? Volume =

A: Ideal gas equation is: PV = nRT Or, PV=mMRT…

Q: The mercury on the short side of a J-tube is at 205.0 mm and the long side is at 980.2 mm. What is…

A: Atmospheric water can be calculated using the given Pressure of mercury on both side of j- tube.

Q: A syringe containing 1.64 mL of oxygen gas is cooled from 95.3 ∘C to 0.3 ∘C What is the final…

A:

Q: Indicate the gas with the least density at STP O Br2 O CO₂ O Ne O N₂

A:

Q: 28. A 200 mL sample of a gaseous hydrocarbon has a density of 2.53 g/L at 55 degrees Celsius and 720…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Determination of the Universal Gas Constant Postlab 1. An evaluation of Rwas performed using the…

A:

Q: 1. Calculate the density 2. Convert 0.05 ppm, of SO2 in air to Assume atmospheric pressure and a…

A:

Q: Calculate the density of Cl2 gas at STP.    _____________g/L

A: STP is the standard temperature and pressure condition. At STP pressure is 1 atm and temperature is…

Q: Earth's atmosphere is approximately 78.0% nitrogen and 21.0% oxygen. What is the mass of oxygen in a…

A:

Q: If 0.211 g of gas occupies 204.5 mL at STP, what is the molecular weight of this gas? R = 0.08206…

A: We have to calculate the molar mass of gas.

Q: A 0.0524-g sample of magnesium is reacted with 25 ml of 3.0 M sulfuric acid as described in the…

A: Mass of sample of Magnesium is 0.0524 g. 4. To calculate pressure of Hydrogen (H2) gas over water…

Q: At 25°C and 449 mmHg, an unknown pure gas has a density of 0.676 g/L. Which of the following gases…

A:

Q: Determine the number of grams of nitrogen gas present in a 5.00-L cylinder at 4.00 x 103 mm Hg and…

A: Given, Pressure (P) = 4.00 × 103 mmHg = 5.26316 atm Volume (V) = 5.00 L Temperature (T) = 23.0°C =…

Q: 1. If the volume is doubled from 5.0 mL to 10.0 mL, what does your data show happens to the…

A: Given that P.V = k (constant) According to the given data in the table,   1). when volume doubled…

Q: 0.76 moles of methane gas are trapped in a container at STP conditions. Calculate the volume of the…

A: Volume of gas at STP = Number of moles x 22.41 L

Q: If 51.2 grams of carbonic acid are sealed in a 2.00 L soda bottle at room temperature (298.15 K) and…

A: We have to find  final pressure of carbon dioxide (in atm)

Q: * The Ozone gas at STP contains (6.022 × 10^23) molecules. O True O Flase

A:

Q: Which statements about a sample of gas containing molecules of different masses are true? Check all…

A: