The layer of the atmosphere that contains our weather is called the ________.
A) mesosphere
B) heterosphere
C) stratosphere
D) thermosphere
E) troposphere
Question 2
Find H for BaCO3 (s) BaO (s)+ CO2 (g) given 2 Ba (s) + O2 (g) 2 BaO (s) H = -1107.0 kJ Ba (s) + CO2 (g) + 1/2 O2 (g) BaCO3 (g) H = -822.5 kJ
A) -1929.5 kJ
B) -1376.0 kJ
C) -284.5 kJ
D) 269.0 kJ
Question 3
The electron configuration of the sulfide ion (S2-) is ________.
A) Ne3s2
B) Ne3s23p1
C) Ne3s23p4
D) Ne3p2
E) Ne3s23p6