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13

Chemistry Sep 01, 2020

13.

Which response includes all of the following substances that have DH

= 0, and no other substances?

 

I.

HCl(g)

II.

Na(s)

III.

HCl(aq)

IV.

F2(g)

 

 

 

 

A.

I and II

B.

II and IV

C.

I, II, and IV

D.

II

E.

I, II, III, and IV

 

 

14.

Renewable energy sources are essentially inexhaustible.

 

 

 

15.

Given the following reactions
 



is __________ kJ.

 

 

A.

-395.62

B.

-527.65

C.

439.63

D.

571.66

E.

527.65

 

 

 

Expert Solution

13. Which response includes all of the following substances that have H = 0, and no other substances?
I. HCl(g)
II. Na(s)
III. HCl(aq)
IV. F2(g)

A.
I and II
B.
II and IV
C.
I, II, and IV
D.
II
E.
I, II, III, and IV

14. Renewable energy sources are essentially inexhaustible.
TRUE but this remains a controversial issue. Please check your latest textbook.

15. Given the following reactions

is 44 + 483 = 527 kJ.
A.
-395.62
B.
-527.65
C.
439.63
D.
571.66
E.
527.65

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