A. 3, 8, 1 B. 3, 8, 2 C. 8, 3, 1 Q24. Calculate the number of moles of Fe that are produced when 0.20 mol of Al2O3 is produced in the following reaction. 2Al(s) + 3FeO(s)→3Fe(s) + Al2O3(s) B. 0.40 mol A 0.20 mol C. 0.30 mol D. 0.60 mol
Ideal and Real Gases
Ideal gases obey conditions of the general gas laws under all states of pressure and temperature. Ideal gases are also named perfect gases. The attributes of ideal gases are as follows,
Gas Laws
Gas laws describe the ways in which volume, temperature, pressure, and other conditions correlate when matter is in a gaseous state. The very first observations about the physical properties of gases was made by Robert Boyle in 1662. Later discoveries were made by Charles, Gay-Lussac, Avogadro, and others. Eventually, these observations were combined to produce the ideal gas law.
Gaseous State
It is well known that matter exists in different forms in our surroundings. There are five known states of matter, such as solids, gases, liquids, plasma and Bose-Einstein condensate. The last two are known newly in the recent days. Thus, the detailed forms of matter studied are solids, gases and liquids. The best example of a substance that is present in different states is water. It is solid ice, gaseous vapor or steam and liquid water depending on the temperature and pressure conditions. This is due to the difference in the intermolecular forces and distances. The occurrence of three different phases is due to the difference in the two major forces, the force which tends to tightly hold molecules i.e., forces of attraction and the disruptive forces obtained from the thermal energy of molecules.
![Q17. Which of the following reactions is an oxidation-reduction reaction?
A. 2Na+ 2H₂O- 2NaOH + H₂
C. H₂S+ Ca(OH)2 -
1 CaS + 2H₂O
Q18. The electron geometry and hybridization of BrO3¹ respectively are?
A. Trigonal planer, sp²
C. Trigonal pyramidal, sp³
B. Trigonal planer, sp³
D. Tetrahedral, sp³
Q19. Determine the empirical formula of a compound contains 28 g N (14.0 g/mol) and 80 g 0 916.0 g/mol)?
A. NO
D. N₂O4
A. single double > triple
C. triple double > single
B. N₂O3
C. N₂O5
Q20. Elements with the lowest atomic size values are found in the -------- corner of the periodic table
A. Lower left
B. Upper right
C. lower right
D. Upper left
Q21. Which sequence below represents the proper order of decreasing bond order?
triple > double
single > triple
Q22. The hybridization of iodine in ICl3 is
A. sp²
B. sp³
B. Na₂S +CaCl2
D. NH4OH + HBr
A. Pauli exclusion principle
C. Building up principle
Q25: The SO3²- ion has how many total valence electrons?
A. 24
B. 26
Q26. The following electron configuration violates
2s
个
B. single
D. double
C sp³d
1-0-1-7
Q23. When you complete the Lewis structure for the molecule:
This molecule has ----- single bonds ----- and ----- triple bonds.
A. 3, 8, 1
B. 3, 8, 2
C. 8, 3, 1
D. 2, 10, 2
Q24. Calculate the number of moles of Fe that are produced when 0.20 mol of Al2O3 is produced in the
following reaction.
2Al(s) + 3FeO(s)→3Fe(s) + Al2O3(s)
B. 0.40 mol
D. 0.60 mol
C. 0.30 mol
A. 0.20 mol
↑↓
CaS + 2NaCl
NH4Br + H₂O
C. 32
2p
↑↓
D. sp³d²
T
D. 36
↑↓
B. Hund's rule
D. Does not violate any rule](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F88a8e224-89ad-460e-b3b8-fb00e567c197%2Ff31be656-c893-410f-b4b0-05158b58e953%2F0x38ljh_processed.jpeg&w=3840&q=75)
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The given balanced chemical equation is
2 Al + 3 FeO → 3Fe + Al2O3
The number of moles of Al2O3 produced in the reaction= 0.20 moles
The number of moles of Fe produced =
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