322 L of hydrogen occupies a volume of 197 L at STP. If the initial temperature of the hydrogen was 37° C, what was its initial pressure? A sample of oxygen has a volume of 26.7 L at 762 Torr. What is the new volume if, with the temperature and amount of gas held constant, the pressure is (a) lowered to 385 Torr; (b) increased to 3.58 atm?

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: An elodea plant, commonly found in tropical fish aquaria, was found to produce 5.0 * 10^22 molecules…

A: Number of molecules of oxygen produced by elodea plant per hour = 5.0 x 1022 molecules

Q: What volume, in liters, does 54.036 g of oxygen gas occupy at STP?

A: Given that : Mass of oxygen = 54.036 g At STP means, Temperature (T) = 273 K Pressure (P) = 1 atm…

Q: What will its volume

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What volume (in L) does a 1.34 g  sample of chlorine gas occupy at SATP?

A: Ideal gas equation is equation which obeys gas law under all conditions of temperature and pressure.

Q: Compare the density of CO2 at 0°C and 380. torr with its density at STP

A: T = 0oC P = 380 torr

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: 1.An empty 2.00 L soda bottle is filled with 35.2 grams of gaseous CO2.  Calculate the temperature,…

A: Answer:- Firstly using the ideal gas equation, PV = nRT, moles of the gas and pressure, temperature…

Q: Oxygen is bubbled through water before it is given to a patient in a hospital.  What volume of pure…

A:

Q: A sample of hydrogen has a volume of 1.40 L at STP. What pressure would the sample have if the…

A:

Q: A sample of argon has a volume of 1.2L at STP. If the temperature is increased to 25C and the…

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

Q: A sample of argon has a volume of 1.20 L at STP. If the temperature is increased to 23.0°C and the…

A:

Q: In the fermentation of glucose (wine making), 760 ml of CO2 gas was produced at 65O mmHg. What is…

A: At STP  Pressure= 760 mmHg and Expression used for calculation is P1V1= P2V2

Q: A sample of neon gas occupies 266 mL at 25.2 oC. At what temperature would the volume of this sample…

A: Ideal gas equation :-                     P V  = n R T  where,       P is pressure in atm     V is…

Q: (a) What is the total volume (in L) of gaseous products, measured at 3508C and 735 torr, when an…

A: a) Temperture (T)= 350°C=350+273=623K Pressure P =735 Torr=735760=0.967atm. mass of C8H18=100g…

Q: A sample of argon has a volume of 1.2 L at STP. If the temperature is increased to 26°C and the…

A: Given: Initial Volume V1 = 1.2 mL Initial Pressure(at STP)  P1 = 1 atm Initial Temperature(at STP)…

Q: A sample of oxygen gas occupies a volume of 3.00 L at 0.00 oC and 2.00 atm pressure. What volume, in…

A: Given data,Initial volume of O2 (V1)=3.00LInitial pressure of O2 (P1)=2.00atmFinal pressure of O2…

Q: A 275-mL flask contains pure helium at a pressure of 746 torr. A second flask with a volume of 475…

A: Total volume after the stopcock is opened. The total volume is 275 ml + 475 ml = 750 ml. Since the…

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

A: Given details, At STP, V1=1250 mLT1=273KP1=1 atmV2=255 mLT2=573 K To calculate the final pressure.

Q: 8. How many moles of argon atoms are present in 15.7 L of argon gas at STP?

A: Given values, at STP, Volume of Ar= 15.7 L  We know the molar volume at STP = 22.4L/mol

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: What would be the molar mass of a gas for which 2.43 x 10-2g occupies a volume of 7.68 mL at STP?

A: Given that, volume of gas at STP, V = 7.68 mL = 0.00768 L Mass of gas at STP, m = 2.43×10-2 g Molar…

Q: A sample of oxygen gas occupies a volume of 2.00 L at 27 o C and 2.00 atm pressure. What volume, in…

A: Convert 2 atm pressure into mmHg.

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

A: Approximately 0.64 mole

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

A: Given:Temperature T1 = 273 KVolume V1 = 1250 mL.Pressure P1 = 1 atm.Temperature T2 = 300 oC = 300…

Q: A sample of oxygen gas occupies a volume of 400 mL at 50oC and 250 mmHg of  pressure. What will its…

A: Ideal gas equation is used to solve this by using the formula :-  P1 V1 ÷ T1 = P2 V2 ÷ T2

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: 4) A sample of argon occupies a volume of 18.3 mL at 760. mm Hg and 13.3 °C. If the pressure of the…

A:

Q: A sample of nitrogen occupies a volume of 250 mL at 27 C and 630 mm Hg pressure. What will be its…

A: Given data,

Q: A sample of argon has a volume of 1.2 L at STP. If the temperature is increased to 25°C and the…

A:

Q: A sample of argon has a volume of 1.2 L at STP. If the temperature is increased to 21°C and the…

A:

Q: In a combustion reaction, what mass of oxygen gas is needed to react with 25.0 mL of C4H10 gas,…

A: Given :-  Volume of C4H10 gas at STP = 25.0 mL  To calculate :-  Mass of O2 (in grams)

Q: Chlorine is widely used to purify municipal water suppliesand to treat swimming pool waters. Suppose…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: What mass of helium gas (in g) occupies 11.5 L at STP?

A:

Q: A 2.43 L volume of hydrogen measured at −150. °C is warmed to 100.°C. Calculate the volume (in L) of…

A: Given: Initial Volume V1 = 2.43 L Initial Temperature T1 = -150 oC= 123 K Final Temperature T2 = 100…

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

A: Given information:Volume = 12.8 LPartial pressure of chlorine = 143 mmHgPressure = 605.6…

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: At 618 mm Hg, a sample of nitrogen gas occupies 490 mL.  What volume does the gas occupy if the…

A: We know Boyle's Law states that, "The absolute pressure(P) exerted by a given mass of an ideal gas…

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: 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: What is the mass of a sample of chlorine gas that occupies a volume of 2.500 L at STP? 1) 1.295 g O…

A: One mole of any gas under STP conditions will occupy a volume of 22.4 L For example : 1 mole of…

Q: 2. A sample of gas at 245°C and a pressure of 2.5 atm occupies a volume of 12.3 L. What volume would…

A: Answer :-  2. 16.2 L  At STP the gas occupy = 16.2 L volume…

Q: A sample of nitrogen occupies 21.0 L at 128°C and 747 mmHg. What volume will it occupy at STP?

A:

Q: A sample of argon has a volume of 1.20 L at STP. If the temperature is increased to 26.0°C and the…

A: We can use combined gas law to solve this problem. That is, (P1V1)/T1 = (P2V2)/T2

Q: A sample of argon has a volume of 1.2 L at STP. If the temperature is increased to 28°C and the…

A: The new volume can be calculated as follows:

Q: What is the density of NO2(g) at STP?

A: Given molecule is : NO2

Q: A sample of argon has a volume of 1.2 L at STP. If the temperature is increased to 26 C and the…

A:

Q: To what temperature must it be heated to raise its volume to 1300 L

A: Given :- Initial volume = 930 L   Initial temperature = 13oC Final volume = 1300 L  To find = Final…

Q: 6. A sample of argon has a volume of 1.2 L at STP. If the temperature is increased to 22°C and the…

A:

Q: In an experiment, 175 mL of nitrogen gas was collected over water at 23.5 oC and 757 mmHg. What mass…

A: Given,175 mL of nitrogen gas was collected over water at 23.5oC and 757 mmHg.The vapour pressure of…