Chemistry Test With Answer Key - Regents High School Examination, The University Of The State Of New York, 2016 Page 26
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33Part C
Allow a total of 20 credits for this part. The student must answer all questions in this part.
66 [1] Allow 1 credit for a correct combination of the location and the total charge of the protons.
Acceptable responses include, but are not limited to:
Location of protons:
in the nucleus
the small, dense center of an atom
center of an atom
Total charge of protons:
28
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67 [1] Allow 1 credit for 161.
68 [1] Allow 1 credit for metal or transition metal.
69 [1] Allow 1 credit. Acceptable responses include, but are not limited to:
The gaseous products have greater entropy than the liquid reactant.
The products are more disordered.
70 [1] Allow 1 credit for 0.8 or .8.
71 [1] Allow 1 credit. Acceptable responses include, but are not limited to:
Hydrazine is very soluble in water because the molecular polarity of hydrazine is similar to the
molecular polarity of water.
Water and hydrazine are both polar.
72 [1] Allow 1 credit. Acceptable responses include, but are not limited to:
The intermolecular forces in hydrazine must be greater than the intermolecular forces in water.
The intermolecular forces in H
O are weaker.
2
[6]
P.S./Chem. Rating Guide–Jan. ’16
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