A 1.20 g sample of dry ice is added to a 765 mL flask containing nitrogen gas at a temperature of 25.0 ∘C and a pressure of 725 mmHg . The dry ice is allowed to sublime (convert from solid to gas) and the mixture returns to 25.0 ∘C. What is the total pressure in the flask?

Q: The temperature of a sample of gas in a steel tank at 30.0 kPa is increased from -100.0°C to 25.0…

A:

Q: Small quantities of hydrogen gas can be prepared in the laboratory by the addition of aqueous…

A:

Q: A 10.0 g sample of sodium metal reacts with 2.50 L of nitrogen gas at 0.976 atm and 28∘C to produce…

A: Balanced chemical equation can be defined as the equation in which equal number of atoms of each…

Q: Hydrogen produced from a hydrolysis reaction was collected over water. The data is compiled in the…

A: Given that the partial pressure of water at 23.0 °C = 21.0 mm Hg Given that the total pressure of…

Q: A sample of gas at 475.0°C is allowed to cool at constant volume until its pressure is one-fifth of…

A: Gases present in a rigid and fixed volumes undergo pressure change on heating as well as cooling.…

Q: The mass of pure methane (CH4) gas has to be mixed with 70 g of pure CO so that the partial pressure…

A: As per our guidelines, we are supposed to do the first question. To get the answer to the second…

Q: A 5.00 g sample of dry ice (solid CO2) is placed in an evacuated 10.0 L vessel and allowed to…

A: Given the mass of dry ice (solid CO2) =5.00 gramvolume of vessel i.e volume of gas =10.0…

Q: Trinitrotoluene, C7H5(NO2)3, decomposes to produce solid carbon and a mixture of gases:    2…

A: Given Mass of Trinitrotoluene (TNT) = 6.26 g Temperature = 545.15 K. Volume  = 5.77 L

Q: Hydrogen gas is collected over water at 23.5 degrees celcius nd an atmospheric pressure of 765 mmHg.…

A: atmospheric pressure  = 765 mmHg  From standard sources we get, the vapor pressure of water at…

Q: Assume that 5.94 x 10° kJ of energy is needed to heat a home. If this energy is derived from the…

A: Using the given energy we can find the mole of CH4.

Q: A 2.1 mole sample of solid CO2 (dry ice) is placed inside a sealed balloon and allowed to fully…

A:

Q: A weighed quantity of PCI5(s) is sealed in a 100.0-cm³ glass bulb to which a pressure gauge is…

A: Given: The dissociation of PCl5 takes places as, The volume of the reactor is 100.0 mL The…

Q: A 32.80 g sample of argon gas is added to a 15.50 g sample of radon gas in a 10.0-L container at…

A: Given: Mass of argon gas= 32.80 g, mass of Radon gas= 15.50 g To find: Total pressure and partial…

Q: 5) 850 torr = ? atm 6) 1820 mmHo -2 atm

A: Let us see the conversion units first to solve the question. 1) 1 torr = 1/760 atm 2) 1 mmHg = 1/760…

Q: You have two flasks of equal volume. Flask A contains H₂ at 0°C and 1 atm pressure. Flask B contains…

A: The average kinetic energy of a molecule :  K =  3/ 2 kb  T . K= average kinetic energy kb =…

Q: _9. Rank the following substances in order of increasing average velocity, assuming they are all at…

A:

Q: A 2.50 gm sample of liquid ether is placed in a 1.50-L flask and vaporized by heating to 75°C at…

A: From ideal gas equation PV=nRT , by using giving information we can find molar mass.

Q: A 0.50 kg block of dry ice (solid carbon dioxide) is allowed to sublime in a sealed piston that has…

A: Combined gas law is the law that incorporates the law of Charles, the law of Gay-Lussac and the law…

Q: The final equation for determining the total pressure of a mixture of gases is: O Protal hota (RV/T)…

A: Ptotal = total pressure of mixing of gases

Q: A 1.20 g sample of dry ice is added to a 765 mL flask containing nitrogen gas at a temperature of 25…

A: We have to calculate the total pressure inside flask .

Q: For many purposes we can treat propane  C3H8 as an ideal gas at temperatures above its boiling…

A: (a)

Q: 4.78x10^6 kJ of energy is needed to heat a home. If this energy is derived from the combustion of…

A: Given- Heat (Q) = 4.78x106 kJ ∆H combustion of methane = -891 kJ/mol   To find- Volume of methane at…

Q: A sample of 8.8 g of methanol, CH3OH(l), is added to a 1.00 L flask, whereby the flask is sealed and…

A: since you have posted a question with multiple subparts we are entiled to answer only first 3…

Q: Silicon tetrachloride (SiCl4) and trichlorosilane (SİHC13 ) are both starting materials for the…

A: Given: Temperature(T) = 82 °C = ( 82+273)K = 355 K Molar mass of SiCl4 = 169.9 g/mol Molar mass of…

Q: Silicon tetrachloride (SiCl4) and trichlorosilane (SIHC13 ) are both starting materials for the…

A: Given :  1. Temperature = 94°C  Or temperature = 94+273 K = 367 K 2. Pressure = 650 torr          1…

Q: The maximum safe pressure that a certain 4.00 L vessel can hold is 3.5 atm.  If the vessel contains…

A: Given: Volume (V) = 4.00 L Pressure (P) = 3.5 atm No of moles (n) = 0.410 mol Temperature (T) =?

Q: A 1.00 LL flask is filled with 1.45 gg of argon at 25 ∘C∘C. A sample of ethane vapor is added to the…

A: Given, Mass of Argon = 1.45g. Volume of flask = 1.00L. Temperature = 250C. Total pressure after…

Q: A 1L bottle contains 1.01g of nitrogen gas and 0.27g of oxygen gas at 25°C. What are the partial…

A: Partial pressure of N2 and O2 I and total pressure can be calculated as follows

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

A:

Q: A piece of dry ice (solid carbon dioxide) with a mass of 28.8 g sublime (converts from solid to gas)…

A: According to ideal gas equation,  PV = nRT V = (nRT/P) n = moles = (given mass / molecular mass)

Q: A sample of gas at 475.0 5.0 degrees * C is allowed to cool at constant volume until its pressure is…

A: Gay-Lussac’s Law: According to this law, the relation between temperature and pressure of an ideal…

Q: For many purposes we can treat ammonia  NH3  as an ideal gas at temperatures above its boiling…

A: Initial Volume = V1 Final Volume = V2  Initial Temperature = T1 = −14.0°C = (−14.0 + 273.15) K =…

Q: 52.0 Lof a gas is collected at 29∘C and 285 kPa, what is its volume at STP?

A: Volume(V1) = 52.0 L Temperature(T1) = 302 K Pressure(P1) = 285 kPa At STP, Temperature(T2) = 273 K…

Q: Explain why hot-air balloons float above the ground and why the second story of a two-story home is…

A: The reason for the above two conditions involves the concept of density of gas molecules. Based on…

Q: Lead pipes are no longer used because they dissolve in acids leaching lead into the water supply.…

A:

Q: The stopcock connecting a l.13 L bulb containing xenon gas at a pressure of 5.08 atm, and a 4.71 L…

A: Volume of Xenon gas = V1 = 1.13 L  Pressure of Xenon gas = P1 = 5.08 atm Volume of Krypton gas = V2…

Q: Assume that 3.51x10^6  kJ of energy is needed to heat a home. If this energy is derived from the…

A: The molar heat of the combustion of methane is -891 kJ/mol. We know that the molar mass of methane…

Q: A student wants to burn a 1.25 mL sample of ethanol (C2H5OH, d = 0.789 g/mL) in a jar containing dry…

A: Since we only answer up to 3 subparts, we'll answer the first 3. Please resubmit the question with…

Q: A 2.65 g sample of colorless crystal was vaporized in a 255 mL flask at 123°C and 1.0455 atm. What…

A: PV = nRT  PV = (w/M) RT    ( mole (n)= mass/molarmass) Where  P= 1.0455 atm , w= 2.65 g V = 255 mL ×…

Q: Suppose 1.88 mol of SO2 gas was compressed into a 1.78L steel cylinder at a temperature of 32.0 .…

A: just use ideal gas equation.

Q: When 0.1 mol of HCl gas is placed in a 10 liter box at 25 degree C, the pressure is about the same…

A: Explanation: when NH3 and HCl are mixed we get the product ammonium chloride (NH4Cl) NH3 + HCl…

Q: Aluminum reacts with chlorine gas to form aluminum chloride. 2 Al(s) + 3 Cl2(g) ------------> 2…

A: Given that: Temperature = 298K Pressure = 225 mm Hg = 0.296atm…

Q: A 4.25 g sample of the refrigerant Freon -12 is vaporized and found to occupy  a volume of 1.36 L at…

A: For Freon -12 : Mass (m) = 4.25 g Volume (V) = 1.36 L Temperature (T) = 50℃ = (50 + 273.15) K…

Q: 2) 1.2 atm = ? kPa

A: 1 atm = 101.3 kPa

Q: At 46°C a sample of ammonia gas exerts a pressure of 980 torr. What is the pressure when the volume…

A: Given data contains, Initial pressure=980 Torr=1.2894 atm. Volume of gas is reduced to 15.…

Q: Under what conditions does a gas become non-ideal? What is responsible for this behavior?Under what…

A: Under what conditions does a gas become non-ideal? What is responsible for this behavior?

Q: Consider two containers of H2 and CO2 at the indicated temperature, pressure, and volume: H2 CO2 T =…

A:

Q: CHI A compound has the empirical formula . A 256-mL flask, at 373 K and 750. torr, contains 2.31 g…

A: We have to calculate the molecular formula .

Q: Convert the value for R, 0.0709 L atm mol K, to one that has units of cal molK. ROUND ANSWER TO 2…

A: Consider the given information is as follows; 1 L atm = 101.325 J 1 cal = 4.184 J Conversion: 0.0709…

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.