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Given the two relations R and S as sets with the same attributes and the following records:   Based on the above relations, Show the result of the following expressions: 1) 2) 3)

Greece’s environment can best be described as

Write the letter of the property, definition, or postulate that justifies each statement.  Choose from below. If Q is between P and R, then PQ + QR = PR.

Although the Senate granted Octavian the title “Augustus” (revered one), he preferred to be addressed by what title?

What is the hybridization state and molecular geometry around the carbon atom in the molecule shown in the box?   A) sp, linear B) sp2,trigonal planar C) sp3,tetrahedral D) sp3,trigonal pyramidal E) sp2,trigonal pyramidal

Which of the following structures have carbon with sp2 hybridization? A) I and II B) III and IV C) I and III D) II and IV E) I and IV

Write the letter of the property, definition, or postulate that justifies each statement.  Choose from below. If 2KL = KL + MN, then KL = MN.

Type your midterm essay here. 

For the following chemical reaction, how many hydrogen atoms are added or lost? A) one hydrogen atom added B) two hydrogen atoms added C) one hydrogen atom lost D) two hydrogen atoms lost

For the following compound identify the indicated lone pairs as localized or delocalized A) I = both localized; II = both localized B) I = both localized; II = one localized and one delocalized C) I = one localized and one delocalized; II = both localized D) I = one localized and one delocalized; II = one localized and one delocalized E) I = both delocalized; II = both delocalized