Heat of sublimation can be approximated by adding together ________ and ________.
A) heat of fusion, heat of condensation
B) heat of fusion, heat of vaporization
C) heat of freezing (solidification), heat of condensation
D) heat of freezing (solidification), heat of vaporization
E) heat of deposition, heat of vaporization
Question 2
Silver nitrate and aluminum chloride react with each other by exchanging anions: 3AgNO3 (aq) + AlCl3 (aq) Al(NO3)3 (aq) + 3AgCl (s) What mass in grams of AgCl is produced when 4.22 g of AgNO3 react with 7.73 g of AlCl3?
A) 17.6
B) 4.22
C) 24.9
D) 3.56
E) 11.9
Question 3
Potassium forms an ion with a charge of ________.
A) 2+
B) 1-
C) 1+
D) 2-
E) 0
Question 4
The value of E for a system that performs 151 kJ of work on its surroundings and loses 79 kJ of heat is ________ kJ.
A) +230.
B) -230.
C) +72
D) -72
E) -151
Question 5
A tin atom has 50 electrons. Electrons in the ________ subshell experience the lowest effective nuclear charge.
A) 1s
B) 3p
C) 3d
D) 5s
E) 5p
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