A) 28 °C B) 33 °C C) 43 °C D) 38°C 1. What is the density of nitrogen gas at STP? A) 1.60 g/L 1.25g/L B) C) 0.799 g/L D) 0.625 g/L

Q: 44. What volume of HCl gas reacts completely with excess zinc metal to produce 2.46 L of H₂ gas at…

A: The ideal gas equation shows the relation between pressure, volume, no of moles and temperature.

Q: What mass of nitrogen is needed to fill an 855 L tank at STP? A. 978 g B. 870 g С. 533 g D. 1071 g O…

A:

Q: What is the density of a sample of argon gas at 55°C and 765mmHg?a) 2.99 g/L b) 1.13 * 103g/Lc) 1.49…

A: The given problem can be solved by using the formula as:  dRT=PM…

Q: What is the density of a sample of argon gas at 55 °C and 765 mmHg?a) 2.99 g/Lb) 1.13 * 103 g/Lc)…

A: Relation between molar mass and density- Ideal gas equation is, PV= nRT Where, P=pressure, V=Volume,…

Q: 16. What is the volume of a gas at STP? * O 1.0L O 2.4L O 22.4L

A:

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

A: Volume=14.3L

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

Q: A 92.5 mL sample of hydrogen gas is collected over water at 25 °C and 767 mm Hg. If the vapor…

A: Given data: Volume of gas collected (V1) = 92.5 mL Temperature = 25o C = 298 K Pressure of H2 gas…

Q: Calculate the approximate volume of a 1.5 mol sample of gas at 15°C and a pressure of 3.75 atm. O…

A:

Q: A balloon contains 400 mmHg N2, 25 mmHg He, and 85 mmHg H2with a total pressure of 750 mmHg.What is…

A: Applying Doltons rule of partial pressure P= p1+p2+........

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: A 0.550 g sample containing Ag2O and inert material is heated, causing the silver oxide to decompose…

A: Given: Mass of sample = 0.550 g Volume of gas   = 13.8 mL Temperature      = 27 oC Pressure…

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

A:

Q: The density of chlorine gas at STP, in grams per liter, is approximately:     none of the given…

A: In this question, we want to determine the density of Chlorine gas at STP. You can see details…

Q: A gas sample at STP contains 1.15 g oxygen and 1.55 g nitrogen. What is the volume of the gas…

A: At STP which is standard temperature and pressure, one mole of any gas occupy 22.4 L of volume.

Q: A weather balloon is inflated to a volume of 28.5 L at a pressure of 748 mmHg and a temperature of…

A: The ideal gas equation is given below,                                           Where, P is the…

Q: A steel tank has a volume of 438 L and is filled with 0.885 kg of O2.  Calculate the pressure of O2…

A:

Q: Its number 1 and number 2 question. Thankyou in advance?

A: Hi, since there are multiple questions posted we will answer the first question.

Q: 7) The density of Cl2 gas at STP, in grams per liter, is approximately: (а) 1.3 (b) 3.9 (с) 4.5 (d)…

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

Q: A sample of sulfur dioxide occupies a volume of 725 mL at 36.°C and 720 mm Hg. What volume will the…

A:

Q: 7) The density of Cl2gas at STP, in grams per liter, is approximately: (а) 1.3 (b) 3.9 (c) 4.5 (d)…

A: d) 3.2 We know that,  Molar mass of Cl2 gas = 70.906 g Volume of 1 mole of Cl2 gas at STP = 22.4 L

Q: Calculate the volume of oxygen collected if 2.36 g KClO3 is decomposed according to the above…

A: Number of moles = mass/molar mass  Ideal gas equation :-  PV = nRT  V= nRT/P

Q: A sample of the atmosphere at a total pressure of 740. mm Hg is analyzed to give these partial…

A: Given,  Total pressure, P = 740mm PN2 =575mm PAr =6.90mm PCO2 =0.20mm PH2O = 4mm

Q: we have a 12.2 L sample containing 0.50 mol of oxygen gas (O2) at a pressure of 1 atm and a…

A:

Q: An inflated balloon has a volume of 151 L at sea level (1.00 atm), and is allowed to ascend until…

A: Given: The initial volume (V1) is 151 L The initial pressure (P1) is 1.00 atm The initial…

Q: 26.7 A 4.000 L sample of nitrogen gas at 25.00°C and 760.0 mmHg is heated to 500.0°C, with a…

A:

Q: Calculate which of the following would show the highiest pressure? OA 315 mmHg B. 12.3 ps Oc 21.4 in…

A: Atmospheric pressure is the force exerted against a surface by the weight of the air above the…

Q: How many kilograms of sodium chlorate (NaClO3) are needed to produce sufficient oxygen (O2) to fill…

A: The ideal gas equation is given by,                                                         Where,…

Q: Nitrogen dioxide is a red-brown gas that is responsible for the color of photochemical smog. A…

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Q: A gas evolved during the fermentation of sugar was collected at 22.5°C and 702 mmHg.  After…

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Q: A sample of hydrogen gas was collected over water at 21°C and 685 mm Hg. The volume of the collected…

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

Q: What is the density of xenon gas (131.29 g/mol) at a pressure of 427 torr and a temperature of…

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Q: Calculate the density of CH4 gas at: (a) STP and (b) 20.0 °C and 750. mmHg

A: (a) STP From ideal gas equation: PV = nRT Here, P is the pressure, V is the volume, n is the number…

Q: 2) What volume does 0.25 moles of oxygen gas occupy at STP ? A) 5.60 L B) 7.50 L C) 10.00 L D) 22.4…

A:

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

A: Introduction: Density of Liquid gallium  = 6.20 g/mL Density of liquid mercury = 13.6 g/mL mercury…

Q: 1.A sample of hydrogen fluoride gas occupies 1250 mL at STP. What is the pressure in mmHg if the…

A: Since you have posted multiple Ques.We will solve the first question for u. To get the remaining…

Q: Worksheet #9 1- Calculate the pressure in atmospheres corresponding to a) 743.9 torr b) 125 mmHg

A: Given, Calculate the pressure in atmosphere, a) 743.9 torr b) 125 mmHg Note:  760 torr = 1 atm 760…

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Q: The highest atmospheric pressure ever nmeasured is 814.3 mm Hg, recorded in Mongolia in December,…

A: The pressure in mm Hg has to be converted into atm unit. In order to do this, the conversion factor…

Q: If 500, mL of hydrogen gas has a pressure of 456 torr at 23 C, what would be the volume at STP? OA.…

A: The ideal gas equation is given by,                                                        Where,…

Q: Thank You❤️

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: atmospheric pressure is at 780 mmHg, what is the pressure of the gas in the manometer? atmosphere…

A: In this question, we want to determine the pressure of the gas in mmHg unit.  You can see details…

Q: Calculate the density of the hydrogen gas at 30.0 C and 750 mm pressure. (R= 0.0821 L atm/K mol)

A: Given: Temperature = 30.0 oC = 303 K Pressure = 750 mm Hg = 0.9868 atm Molar mass of hydrogen gas…

Q: 1. A sample of gas occupies a volume of 0.65 L at 24°C and 1.02 atm. a. calculate the new volume at…

A: Volume = 0.65 L  Temperature = 24°C = 24+273 = 297 K  Pressure = 1.02 atm  a) at STP -  Temperature…

Q: A person accidentally swallows a drop of liquid oxygen, O2(l), which has a density of 1.149 g/mL.…

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Q: 00 96 %24 4. 2 3. 1. %23 L V atm October 12, 1979. Convert this value to atmospheres. The lowest…

A: The following  conversion is explain  in next step. Follow  the 2nd step

Q: In a mixture of helium and chlorine, occupying a volume of 12.8 L at 605.6 mmHg and 21.6°C, it is…

A: We have given that  In a mixture of helium and chlorine, occupying a volume of 12.8 L at 605.6 mmHg…

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

A: