(a) What is the pressure (in mmHg) of the gas inside the apparatus shown on the right? Given that Pbar = 755 mmHg, h1 = 75 mm, h2 = 63 mm. Gas Mereury (Hg)- (b) A gas-filled balloon with a volume of 20.0 L at 0.95 atm and 29 °C is allowed to rise to the stratosphere where the temperature is -10 °C and the pressure is 12 kPa. What is the final volume (in L) of the balloon? Show your calculations.

Q: If 0.500 mol of helium gas occupies 5.00 L at 25 °C, what is the pressure in atmospheres?

A: Given details, n = 0.500 mol V = 5.00 L T = 25 °C = 298 K R = 0.08205 L.atm/mol.K To calculate the…

Q: To collect a beaker of H₂ gas by displacing the air already inthe beaker, would you hold the beaker…

A: To see the position of the beaker for collecting the gad H2 and the gas CO2 we see the molecular…

Q: How many liters of gaseous hydrogen bromide at 29C and0.965 atm will a chemist need if she wishes…

A: Moles of HBr = Molarity × Volume                     = 1.20 M × 3.50 L = 4.2 moles. By using PV =…

Q: A vessel with a volume of 26.9 L contains 2.80 g of nitrogen gas, 0.605 g of hydrogen gas, and 79.9…

A:

Q: 4. A 34.0-L cylinder contains 305 g of oxygen gas at 22°C. How many grams of gas must be released to…

A:

Q: What is the volume occupied by 10.8 g of nitrogen gas at 780 mmHg and 38.0 oC?

A:

Q: A 0.704-g sample of a colorless liquid was vaporized in an evacuated 250.-mL flask at 121°C to give…

A: Given information: Mass of sample = 0.704 g Pressure (p) = 786 mmHg Volume (V) = 250 mL Temperature…

Q: Oxygen gas (O2) is collected over water at 21oC and a total pressure of 1.05 atm. What total volume…

A: The number of moles of oxygen gas can be calculated as follows-

Q: 1)How many mL of nitrogen gas is required to completely reacts with 12.0mL of hydrogen gas at…

A:

Q: A sample of an ideal gas at 1.00 atm1.00 atm and a volume of 1.53 L1.53 L was placed in a weighted…

A:

Q: The classic method for manufacturing hydrogen chloride, which is still in use today to a small…

A: The given overall reaction is, The given mass of NaCl = 2500 Kg Convert the mass in grams as shown…

Q: When a research balloon is released at sea level, where thetemperature is 15.0C and the atmospheric…

A: Given: P1=101×105 PaV1=13 m3T1=15°C=288 k

Q: If 4.40 L of CO2 gas at 19 °C at 783 mmHg is used, what is the final volume, in liters, of the gas…

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

Q: A compressed gas cylinder of CO2 gas has a volume of 23.5 L at room temperature (25C) and a pressure…

A: Given, volume of CO2 = 23.5 L Temperature  = 25°C = (273+25) = 298 K Pressure = 650 KPa  = 650/101 =…

Q: What volume is occupied by 0.640 mol of CO2 at 273.5 K and 701 mmHg ?

A: We have to calculate the volume occupied by gas.

Q: A sample of an ideal gas at 1.00 atm1.00 atm and a volume of 1.66 L1.66 L was placed in a weighted…

A: Initial pressure, P1=1.00 atm The initial volume, V1=1.66 L Final pressure, P2=10.0 atm The final…

Q: 2. A sample of gas occupies a volume of 10.5 L at 700 mmHg and 100°C. What would the new pressure…

A:

Q: A sample of an ideal gas at 1.00 atm1.00 atm and a volume of 1.62 L1.62 L was placed in a weighted…

A: Given: Initial Pressure, P1 = 1.00 atm Initial volume, V1 = 1.62 L Final Pressure, P2 = 80.0 atm…

Q: 3. What volume of O2 at STP can be pumped into a 0.500-L tank at 24.5 degrees Celcius to give a…

A:

Q: Pure oxygen gas was first prepared by heating mercury(II) oxide, HgO: 2 HgO(s) → 2 Hg(1) + O2(g)…

A: Since you have posted multiple questions, we are entitled to answer only the first

Q: 5. A balloon used for atmospheric research has a volume of 1.0 x 106 L. Assume that the balloon is…

A: The combined gas law relates "before and after" atmospheric conditions of a gas.  The volume of…

Q: 10.38 (a) If the pressure exerted by ozone, O3, in the stratosphere IS 3.0 x 103atm and the…

A: GivenPressure of ozone = 3 x 103 atmsVolume of the gas = 1.0 LTemperature = 250K No of molecules

Q: In one lab, the gas-collecting apparatus used a gas bulb with a volume of 231 mL. How many grams of…

A: Given: Volume of CO2 produced = 231 mL = 0.231 L                                           (Since 1…

Q: 12. What is the volume (liters) of 64 g of O, at STP?

A: Given is mass of O2 = 64 g Standard values, Molar mass of O2  = 31.998 g/mol

Q: After blowing up a balloon, a student was curious what the partial pressure of each gas was in the…

A: Partial pressure of a gas in a mixture is the pressure exerted by that gas when it occupy the total…

Q: How much potassium chlorate is needed to produce 20.0 mLmL  of oxygen gas at 700. mmHgmmHg   and…

A: Mole of the gas is  n = PV/RT

Q: An acetylene tank, C,H, is used for an oxyacetylene welding torch that undergoes a combustion with…

A: Answers are explained below. a) Balanced chemical equation for the the given problem is: C2H2(g)…

Q: 12. What is the volume (liters) of 64 g of O2 at STP?

A: Here, we have to find the volume of 64 g of O2 at STP.

Q: A sample of hydrogen gas produced in a laboratory experiment had a volume of 280. mL at a pressure…

A:

Q: You fill a balloon with helium gas to a volume of 3.68 L at 23°C and 789 mmHg. What would the volume…

A:

Q: A gas occupies a volume 2.51 L and 26°C is adjusted to a new volume of 1.21 L at standard…

A: Initial conditions  Volume, V1= 2.51 L Temp , T1= 26°C = 299.15 K Pressure,P1  = ? Final…

Q: If a sample of Argon gas occupies 2.50 L at 100.0 °C and 5.00 atm, what volume will it occupy at 0.0…

A: The volume can be calculated as follows: P1V1T1  = P2V2T25.00atm×2.50L373K  = 1.00atm×V2273KV2=9.1 L

Q: What is the volume, in milliliters, that 5.70 g of O2 occupies at STP?

A: Apply formula A= (w/Vml)×22400

Q: Dinitrogen monoxide can be prepared by heating ammonium nitrate, which decomposes into dinitrogen…

A: At STP , Volume of 1 mol gas = 22.4 L  From this relation we can can convert the volume of gas into…

Q: what is the volume occupied by 15.0 g of nitrgoen monoxide gas, NO at 242k and 690 mm Hg?

A: The empirical relationships among various gaseous state functions (T, V, P and n) is governed by use…

Q: What is the density of a sample of argon gas at 51 ∘C∘C and 871 mmHgmmHg?

A:

Q: A gas-filled balloon having a volume of 3.80 L at 1.25 atm and 19°C is allowed to rise to the…

A: Consider the given information is as follows; Initial volume V1=3.80 LInitial presure P1=1.25…

Q: A sample of nitrogen has a volume of 4.12 L at 1,591 mmHg and 193 Celsius. What volume will it…

A:

Q: Which of the following gases would occupy the smallest volume at 25°C and 1.00 atm pressure?

A: The ideal gas equation is expressed as: PV=nRTV=nRTP

Q: A flask of volume 0.753 L contains a sample of chlorine gas, Cl2, with a pressure of 198 Torr at…

A: Volume = 0.753 L  Pressure = 198 torr  Temperature = 25.8 °C  Mass of sodium required to completely…

Q: If a sample of oxygen gas occupies 4.8 L at 199.0 °C and 2158 mmHg, what pressure in atm will it be…

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

Q: What is the density of Freon-11 (CFCl3) at 135°C and 2.7 atm?

A: Given;

Q: In one of his most critical studies into the nature of combus-tion, Lavoisier heated mercury(II)…

A: Given information,    40.0 g of mercury(II) oxide is heated in a 502-mL vessel and 20.0% (by mass)…

Q: What is the density of carbon dioxide gas (CO 2, 44.01 g/mol) at 25°C and 650 mm Hg?

A:

Q: oxide of nitrogen, believed to be NO or N2O, is placed in a rigid flask with volume 1.07 L. If the…

A: The solution is as follows :

Q: A sample of nitrogen gas occupies 1.83 L at 27 degrees Celsius and 1.000 atm of pressure. What will…

A:

Q: 3. What is the temperature of 1.2 moles of Helium gas at 1950 mm Hg if it occupies 15,500 ml of…

A: Combine Gas law of ideal gas -PV = nRTwhou volume of n mol of gas is V at pressure P andtemperature…

Q: What is the volume, in liters, occupied by 1.8 moles of N2 gas at 1.254 atm pressure and a…

A: By using ideal gas equation we have :    P V = n R T  Where P = pressure             V = volume…

Q: The gas from a certain volcano had the following composition in mole percent: 65% CO2, 25% H2, 5.4%…

A: According to Dalton's law of partial pressure the total pressure of a gaseous mixture is the sum…

Mole Concept

Mole concept is a method to determine the amount of any substance that consists of some elemental particles using a grouping unit called ‘mole’. The mole concept enables one to handle the large amount of small elementary particles. The mole concept can be used in many calculations related to mole calculation, molar amount, mole ratio, and so on, which are significant in chemistry.