What volume of carbon dioxide gas is produced when 3 .00 L of oxygen gas react w
ID: 706406 • Letter: W
Question
What volume of carbon dioxide gas is produced when 3 .00 L of oxygen gas react with 7.5 L of carbon 28. monoxide in the following equation? 2 CO(g)+ 02(g) 2 CO2(g) A. 6.00 L B. 10.5 L C. 6.75 L D. 3.00L What volume of oxygen is consumed when 3.00 moles of carbon monoxide is produced in the following equation? 2 C(s) + 02(g) A. 1.50 L B. 33.6L 29. 2 CO(g) C. 67.2L D. 22.4L What volume of ammonia is produced when 0.500 mole of nitrogen reacts completely in the following equation? N2(g) +3 H2(g) 2 NHs(g) A. 1.00L B 22.4L C. 44.8 L D. 11.2L 30. . What will A sample of an ideal gas is kept in a rigid container while the Kelvin temperature is doubled happen to the pressure of the gas? A. The pressure will double. C. The pressure will remain constant. 31. B. The pressure will be halved. D. The pressure will increase by a factor of 1.5. Which gas is most dense at STP? A. Helium B.Nitrogen C. Oxygen 32. D. Hydrogen Which gas has approximately the same density as carbon dioxide gas at STP? A. CH4 33. B. C2H6 C. C3Hs D. C4HioExplanation / Answer
28.) (A)6.00L of CO2 will be produced because for every 1 Mol of O2 , 2 Mol of CO is consumed and 2 Mol of CO2 is produced. So for each 1 L of O2 2 L of CO2 is produced, Hence Total 3*2 L of CO2 is produced.
29.) (B)33.6 L of O2 will be consumed as for every mol of CO that will be produced will need 0.5 Mol of O2 . 1 Mol of O2 is equal to 22.4 L . Hence 3 Mol of CO will Need 1.5 Mol of O2 hence total volume needed is 22.4*1.5=33.6 L of O2 ..
30.)(B)22.4 L of NH3 will be produced as 1 Mol of N2 will produce 2 Mol of NH3 .Given 0.5 Mol of N2 is in the reaction hence only 1 mol of NH3 is produced as a result 1 mol = 22.4 L of volume.
31.)(A)Pressure will double.Because using this relationship (P1*V2/T1)=(P2*V2/T2)
Where P1=Initial Pressure V1=Initial Volume T1= Initial Temperature
P2=Final Pressure V2=Final Volume T2=Final Temperature
We get P2=2P1 Hence the Final Pressure is Double the initial one.
32.)(C)Oxygen.It is because Density =(Mass/Volume),as Volume of all the gas at STP is same Hence what varies is the Mass.As the Molar Mass of O2 is maximum i.e. 32 units Hence the density of Oxygen is maximum.
33.)(C)C3H8.It is because molar mass of CO2 is 44 units and the Molar Mass of C3H8 is 44 Units Hence C3H8 will have the approximately same density as that of CO2.
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