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Chem 115 Exam 3 questions well answered to pass
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Chem 115 Exam 3 questions well answered to pass
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Chem 115 Exam 3During an endothermic reaction... - correct answer ✔✔B) Heat is absorbed from the surrounding.
Which one of the following types of radiation has the shortest wavelength? - correct answer ✔✔A)
Gamma rays
Arrange the following types of electromagnetic radiation in order of decreasing wavelength (longest and
shortest). - correct answer ✔✔B) Radio, Microwave, Infrared, Visible, Ultraviolet, X-rays, Gamma.
An electron in an atom CAN have which one of the following sets of quantum numbers? - correct answer
✔✔D) n= 2, l= 0, ml= 0
The spectroscopic notation ( number + letter designation ) for the sub shell with n = 5 and l =3 is - correct
answer ✔✔C) 5f subshell
A discrete line spectrum is obtained from excited state atoms. This indicates... - correct answer ✔✔D)
That electrons can only sit at specific energies within the atom.
In terms of activity, the series in increasing order for metals is found to be, Au < Ag < Cu < Sn < Cd < Zn <
Al < Mg < Na < Cs. Which reaction below does not occur spontaneously upon mixing the reagents
shown? - correct answer ✔✔A) Cd + Al -> Cd + Al
What is the oxidation number of each oxygen atom in the compound, CaO2? - correct answer ✔✔A) -1
In terms of activity, Ca > Mg > Zn > Co > Sn > Pb> H2 > Ag. Which of the following reactions will not
proceed spontaneously in the forward direction? - correct answer ✔✔B) Mg + Ca(OH)2 -> Ca + Mg(OH)2
For a process at constant volume, - correct answer ✔✔B) w= 0 and Delta E = q
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