A 39.0 L cylin stratosphere

Q: Calculate the density of He(g) (in g/L) at 27°C and 760mmHg .Density of air under these condition is…

A: We can calculate with the help of some farmula

Q: oxygen can be generated in the laboratory by heating potassium chlorate until it it decomposes. what…

A: The potassium chlorate is heated in laboratory to generate oxygen.   2KClO3 (s)→2KCl (s) + 3O2 (g)…

Q: How many atoms of neon occupy a volume of 14.3 L at STP?

A: Volume=14.3L

Q: How many grams of iron oxide are produced from 15.0L of oxygen at STP? (Fe2O3 = 159.7g/mol)

A: To solve this problem we have to calculate the mass of iron oxide produced.

Q: How much volume is occupied by one mole of a gas at STP? A 10.6 L B C D 15.5 L 22.4 L 25.2 L

A: Given, moles of gas (n) = 1 mol Volume occupied by 1 mol of gas at STP (V) = ? Note:  Universal gas…

Q: At the temperatures that exist in the thermosphere , instruments would break down and…

A: In the thermosphere, gas molecules absorb more radiation than they can release. Gradually their…

Q: A sample of oxygen gas collected at a pressure of 196 mm Hg and a temperature of 303 K has a mass of…

A: Pressure of oxygen gas = 196 mmHg  ...Or  because 1 mmHg = 1/760 atm ...so,  = 196 × (1/760 ) atm  =…

Q: How many moles of gaseous arsine (AsH3) occupy 0.0400 L at STP? What is the density of gaseous…

A: STP: STP stands for standard temperature and pressure which is used to calculate properties of gases…

Q: When a piece of Al metal is allowed to completely react with HCl (aq), 35.5 mL of hydrogen gas is…

A:

Q: if magnesium if put into a hydrochloric acid, how many grams of magnesium are required to have 3.17…

A: Answer:- Firstly moles of hydrogen are calculated using the ideal gas equation and the using the…

Q: 3. Calculate the new pressure if the volume of 15.00 L of oxygen at 450.0 mmHg increases to 90.00 L.…

A: 3) Given data contains, Initial volume is 15.00 L. Initial pressure is 450 mm Hg. Final volume is…

Q: If 155 L of ammonia was produced at STP, how many grams of nitrogen were used?

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

Q: Calculate the grams of KOH from the reaction of 4.71 L of ozone (O3) at STP.

A:

Q: How many liters of hydrogen gas at STP are produced by 0.400 moles of calcium metal in the following…

A:

Q: What volume will 20.0 g of argon occupy at STP

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Q: Calculate the density of radon at 285 K and 1.00 atm of pressure.

A:

Q: Which gas sample has the greatest volume at STP? a) 10.0 g Ar b) 10.0 g Kr c) 10.0 g Xe d) None of…

A: Which gas sample has the greatest volume at STP has to be given.

Q: A very small helium-filled balloon has a volume of 351.6 mL. At the point you released the balloon,…

A: We have to calculate the volume when balloon ascended into the stratosphere.

Q: A prevailing pressure of one standard atmosphere will support a column of mercury 760 mm in height.…

A: In mercury column the height is 760mm and density of mercury is 13.6 g/mL. The density of liquid…

Q: Calculate the volume of Ammonia (NH3) produced if 10 grams of Hydrogen gas reacts with excess…

A:

Q: A sample of krypton gas collected at a pressure of 1.41 atm and a temperature of 21.0 °C is found to…

A: Ideal gas equation is  PV = nRT  PV = (w/M)RT      [ * n = w/M ]  Here ,  P = pressure  V = volume…

Q: What happens to the air pressure as you move from the troposphere to the thermosphere? Discuss it.

A: Air pressure and density work do change altogether as we enter the different layers of the…

Q: The reaction between sulfamic acid and sodium nitrite produced 388mL of Nitrogen gas collected over…

A: Volume of nitrogen gas = 388 ml  Temperature = 23 °C  Pressure = 770 mmHg  Number of moles of…

Q: A 0.0665 g sample of aluminum metal reacts with hydrochloric acid to give 90.5 mL of hydrogen gas at…

A: Stoichiometry relates the amount of reacting with the formed species. As per this concept, the…

Q: Calculate the grams of KOH from the reaction of 4.71 L of ozone (O3) at STP. O3 + 2KI + H2O ⟶⟶O2 +…

A:

Q: What is the mass (in grams) of 5.00 L of CO2 at STP?

A: Principle: Molar Volume is defined as the volume occupied by one mole of any gas at STP(Standard…

Q: How many miles of ozone occupy a volume of 3.36 L at STP?

A:

Q: What volume (in L) of CO is equal to 0.45 moles of CO at STP?

A: Answer :-  Volume of CO is equal to 0.45 moles of CO at STP = 10.1 L…

Q: A sample of argon gas collected at a pressure of 926 mm Hg and a temperature of 279 K has a mass of…

A: Given: Temperature= 279 K Mass= 49.9 g Pressure= 926 mm Hg=926/760= 1.22 atm

Q: How many liters of hydrogen gas at STP are required to produce 13.8 grams of ammonia (NH3)? 3 H2 +…

A: Given : Mass of ammonia = 13.8g

Q: A hydrogen gas sample at 26.0 C and 745. torr occupies a volume of 7.25 L. What volume will this…

A: For the given hydrogen gas sample: temperature is = 26.0oC = 26.0oC+273.15 K = 299.15 K pressure is…

Q: A 21 L cylinder containing helium gas at a pressure of 34.2 atm is used to fill a weather balloon in…

A: According to Boyle’s law, the absolute pressure exerted by a given mass of an ideal gas is inversely…

Q: How many moles of neon gas occupy a volume of 14.3 L at STP conditions?

A: Approximately 0.64 mole

Q: What mass of magnesium is needed to produce 80mL of hydrogen gas at STP?

A: The chemical reaction required to produce hydrogen gas from magnesium metal is as follows,…

Q: If a 7.00 L container is filled with 02 to a pressure of 995 torr at 33.0°C, calculate the mass of…

A:

Q: What volume would 29.8 g of nitrogen (N2) occupy at STP? 426 L 22.4 L 23.8 L 855 L

A:

Q: 1.If you are asked to calculate the volume of Carbon dioxide gas at 25oC and 802 torr that could be…

A: We have given the Carbon dioxide gas Temperature =T= 25°C  Pressure = P=  802 torr  V = volume of…

Q: calculate the total amount of pressure (absolute pres.) in atmospheres that Mike is exposed to at…

A: Pressure at a certain depth = ρgh + atmospheric pressure 1 atm = 30 ft By using the unitary method…

Q: What volume of hydrogen at 225 atm and 35.5 °C would be required to react with 1 ton (1.000 x 10°…

A:

Q: What is the mass (in grams) of 5.00 L of H₂O at STP?

A: AT STP conditions Temperature, T = 25°C = 298K Pressure, P = 1.0 atm Given: 5.00 L of H2O at STP We…