71.) which crystal stucture has the greatest volume occupied by the particles ma

ID: 870136 • Letter: 7

Question

71.) which crystal stucture has the greatest volume occupied by the particles making up a unit cell?

a.) simple cubic

b.) body of centered cubic

c.) face -centered cubic

d.) all have the same percentage of volume occupied

12.)Which two elements form a compund with stiochiometry X2Y3?

X Y

a.) Na O

B.)Mg S

c.) Al Cl

d..) Al O

58.)which aqueous solution has the highest normal boiling point?

a.) 0.1 m K3PO4

b.) 0.1 m Nacl

c.)0.1 m C3H3OH

d.) they all have the same boiling point

62.) For the reaction A(g) --> B(g), Q=15 K=55. which statement is true

a.) (Delta Sign)G and (Delta Sign)G1 are both postive

b.) (Delta Sign)G and (Delta Sign)G1 are both negative

c.)(Delta Sign)G is postive and (Delta Sign)G1 is negative

d.) (Delta Sign)G is negative and (Delta Sign) is positive

71.c.) face -centered cubic
12.d) Al O
58a.) 0.1 m K3PO4.
62.d.) (Delta Sign)G is negative and (Delta Sign) is positive

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