What is the experimental molar mass (that is, calculated from the data given and not taken from the periodic table) of magnesium if 0.0269 grams of magnesium generates 26.20 mL of hydrogen at 22.7 °C with a hydrogen partial pressure of 776.8 torr? Note that the partial pressure of water vapor has already been subtracted from the total pressure. 19.1 g/mol 24.4 g/mol 22.4 g/mol 26.6 g/mol 26.5 g/mol

Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A: Given Mass= 0.0316 gram Temperature =22.6 °C = 295.75K Pressure=762.6 torr Volume =31.53 mL

Q: Air contains nitrogen, oxygen, argon, and trace gases. If the partial pressure of nitrogen is 592 mm…

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Q: If 88.0 grams of carbonic acid are sealed in a 2.00 L soda bottle at room temperature (298.15 K) and…

A: Recall the reaction for decomposition of carbonic acid       H2CO3aq→H2Ol + CO2gFind moles of…

Q: Enter your answer in the provided box. A piece of sodium metal reacts completely with water as…

A: Given reaction is,  2Na(s) + 2H2O(l) --> 2NaOH(aq) + H2(g)  Given data,  Volume of hydrogen gas =…

Q: Mg(s)+2HCl(aq)→MgCl2(aq)+H2(g). If 243 mL of hydrogen gas is collected at 25 Celsius and has a total…

A: Since partial pressure of hydrogen = total pressure - vapour pressure of water = 755 - 23.78 =…

Q: A sample of argon has a volume of 155 mL at 1.00 atm. What is its volume at 1.50 atm? 118000 mL 51.5…

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Q: 24. A sample of oxygen that occupies 1.00 x 10° mL at 575 mm Hg is subjected to a pressure of 1.25…

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Q: How many liters of hydrogen are present in 3 moles of this gas at STP? a) 6.02 x 10^23 b) 22.4 c)…

A: Given  Number of mole of H2  = 3 mole  Volume of Hydrogen gas at STP =   ?

Q: At what temperature will 0.654 moles of neon gas occupy 12.30 liters at 1.95 atmospheres?

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Q: If 73.6 grams of carbonic acid are sealed in a 2.00 L soda bottle at room temperature (298.15 K) and…

A: W = 73.6 g T = 298.15 k V = 2 L

Q: A chemist vaporized a liquid compound and determined its density. If the density of the vapor at…

A: Given density = d = 1.285 g/L  Pressure = P = 753 mmHg  Temperature = T = 90.0 0C  Gas constant = R…

Q: A 2.16 g sample of phosphorus was burned in a large excess of chlorine, and the phosphorus chloride…

A: To Calculate molar mass , we can use the relation that rate of effusion is inversely proportional to…

Q: a) Calculate the volume (in L) occupied by 16 g of Carbon dioxide gas at a pressure of 99.7 x 103 Pa…

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Q: If 75.0 grams of carbonic acid are sealed in a 2.00 L soda bottle at room temperature (298 K) and…

A: Calculate the moles of carbonic acid,

Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

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Q: (6.5)What is the molar volume of argon gas at STP? 15.3 L O 22.4 L O 4.00 L O 1.00 L

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Q: A What is the minimum mass, in kg, of sodium chloride needed to make 2.7 x 10° L of chlorine gas at…

A: Given :-  2 NaCl(s) → 2Na(s) + Cl2(g)  Volume of Cl2 = 2.7 × 105 L  To calculate :-  Mass of NaCl…

Q: How many gram are present if a sample of nitrogen gas is placed in a 5.0 Liter flask at 1755 torr…

A: Nitrogen N2 is diatomic gas. Which is non-reactive and colorless in nature. It is generally used to…

Q: Suppose that 78.0 mL of H2 gas is produced at 20.0oC by the reaction of 0.0764 g magnesium and the…

A: Molar volume of gas : volume of one mole of a gas is called molar volume.

Q: The partial pressure of argon in the atmosphere is 0.0083 atm. What is the argon pressure at 55 km…

A: Given that, for argon gas, the partial pressure in the atmosphere is p0 = 0.0083 atm. We have to…

Q: Zinc reacts with aqueous sulfuric acid to form hydrogen gas: Zn(s) + H2SO(aq)- ZnSO (aq) + H,(g) In…

A: The balanced reaction taking place is given as, => Zn (s) + H2SO4 (aq) ---------> ZnSO4 (aq) +…

Q: A chemist vaporized a liquid compound and determined its density. If the density of the vapor at…

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Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

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Q: If 45.0 g of calcium carbide is allowed to react with an excess amount of water, what will be the…

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

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Q: One method used in the eighteenth century to generate hydrogen was to pass steam through red-hot…

A: Given that, a reaction is 3Fes+4H2Og→Fe3O4s+4H2g. The molar masses are Fe = 55.845 g/mol, H2O =…

Q: Nitrogen gas has many important applications in industry, especially in providing unreactive…

A: First, we will calculate number of moles of N2  produced , then using stoichiometric calculations,…

Q: If 3.85 L of CO was collected over water at 25°C and 689 mmHg, how many grams of HCHO2 were…

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Q: A sample of 4.72 mol of krypton is confined at low pressure in a volume at a temperature of 68 °C.…

A: Number of mol of Krypton (initial) = 4.72 mol Temperature = 680C Root-mean square speed formula is

Q: 1.3g water (18.02 gmol*) is produced by a reaction, and it is kept at 45°C in a closed flask of 4.5…

A: Ideal gas equation, PV=nRT Where, P=pressure, V=Volume, n =number of moles R=gas constant

Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A: To calculate the molar mass of Mg , we would first calculate moles of hydrogen produced using ideal…

Q: If 69.6 grams of carbonic acid are sealed in a 2.00 L soda bottle at room temperature (298.15 K) and…

A: Answer :- 13.7 (atm)  The final pressure of Carbon dioxide gas (CO2) = 13.7 atm…

Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A: Given: Mass of Mg reacting = 0.0228 g. Volume of H2 produced = 22.57 mL = 0.02257 L…

Q: A sample of oxygen gas was collected over water at a barometric pressure of 757.2 mm Hg and a…

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Q: If 68.0 cm of hydrogen gas is collected over water at 45°C and 765 mm Hg, what is the volume of dry…

A: Pressure , temperature and volume of hydrogen gas over water - Pressure (P) = 765 mmHg-71.9 mmHg=…

Q: Given that P = 1.03 atm R = 0.0821 L.atm/(mol. K) T = 365.62 K V = 0.19 L m = 0.16 g Calculate molar…

A: Given :-  P = 1.03 atm  R = 0.0821L.atm.mol-1.K-1  T = 365.62 K V = 0.19 L m = 0.16 g  To calculate…

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Q: How many grams of solid lithium (Li) must be added to liquid water in order to obtain 99.5 L of…

A: Given: The volume of hydrogen gas (H2) at STP is 99.5 L

Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A: Given: The mass of magnesium used = 0.0155 grams. The volume of hydrogen generated =16.08 mL The…

Q: Helium-neon lasers emit very high spectral purity red light at a wavelength of 632.8 nm, and were…

A: According to ideal gas law the volume of a gas is directly proportional to the number of moles of…

Q: A student, following the procedure described to evaluate the Gas Law Constant, collected the…

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Q: Calculate the density of uranium hexafluoride (UF6) with pressure of 697 mmHg at 57oC temperature.…

A: Given: Pressure (P) = 697 mmHg P=697760 atm    ∵ 1 mmHg=1760 atm Temperature (T) = 57°C T=57+273…

Q: A sample of xenon gas occupies 38.34 L at 550.8°C. What does the volume become (in L) if the sample…

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Q: What is the pressure in atmospheres of the gas remaining in the flask? Ignore the volume of solid…

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Q: If the pressure of 1.50 L of hydrogen gas at 100 °C decreases from 0.500 atm to 0.115 atm, what is…

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Q: A student, following the procedure described to evaluate the Gas Law Constant collected the…

A: since you have posted multiple questions in a session. we are entitled to answer only first…

Q: What is the approximate percentage of the following atmospheric gases? Joxygen A. 78% v Carbon…

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Q: What is the experimental molar mass (that is, calculated from the data given and not taken from the…

A: According to an ideal gas equation PV= nRT Where P= pressure of the gas, V= volume of the gas, n= no…

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…