WorksheetsGen Chem Final Quiz
Total questions: 52
Worksheet time: 1hrs 3mins
What mass of Mg(NO3)2 is required to produce 0.2500 L of a 0.0750 M solution? 1 mole of Mg(NO3)2 =148.33g
(a)
What mass of sodium ions are there in 25 ml of 0.75 M Na2SO3?
(a)
As water is being added to a concentrated NaOH soln. :
V increases
M increases
V decreases
M increases
V increases
M decreases
V decreases
M decreases
Draw the acid HF when added to water.
What is the net ionic rxn when combining Na2S (as) + Pb(NO3)2 (aq)? Hint: sulfides render a compound insoluble.
(a)
What is the oxidation # of Mo in MoO4 ^2- ?
(a)
What is being oxidized and whats being reduced? In [ Cu (s) + Zn ^2+ (aq) --> Zn (s) + Cu ^2+ (aq) ]
Oxi: Cu ^2+ (aq)
Red: Zn (s)
Oxi: Zn ^2+ (aq)
Red: Cu (s)
Oxi: Cu ^2+ (aq)
Red: Zn ^2+ (aq)
Oxi: Cu (s)
Red: Zn ^2+ (aq)
What is the energy change for a sys that releases 100 kJ of heat to surroundings & has 25 kJ of work done on it?
(a)
What is the hybridization of the two labeled carbon atoms?
C1: Sp3
C2: Sp3
C1:Sp2
C2:Sp
C1:Sp3
C2:Sp
C1:Sp2
C2:Sp
Whats the bond order for Number 1 & 2?
(a)
A
B
C
D
(a)
-1
0
+1
+2
(a)
Order from greatest lattice energy to least
(a)
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A compound is 75.7% C 5% O and 8.80% H. What is the emerpical formula?
(a)
Which are isotopes of the same element?P
3P, 3N, 3 e-
3P, 3N, 2 e-
3P, 4N, 3 e-
3P, 4N, 2 e-
What is the atomic number for an ion that has a charge of +1 and 18 e-
(a)
An atom, strontium-90 contains how many protons, neutrons and electrons?
(a)
If a hydrogen atom photon moves from n=4 to n=2 what is the wavelength (in nm) of the photon?
h= 6.626x10 ^-34 J ; c= 2.998x10 ^8
(a)
A
B
C
D
Whats the electron configuration for the ground state of Kr ^2+
(a)
Order Li, Ne, Na, and Ar from most to least ionization energy
(a)
Find moles of carbon
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