(a) Interpretation: ( 8.50 × 10 3 ) − ( 7.61 × 10 2 ) must be subtracted using the correct number of significant figures in the answer. Concept Introduction: For subtraction, the number with minimum number of significant figures is chosen and in the final answer same number of significant number is kept. The answer should not be more precise than the number with minimum number of significant figures.
(a) Interpretation: ( 8.50 × 10 3 ) − ( 7.61 × 10 2 ) must be subtracted using the correct number of significant figures in the answer. Concept Introduction: For subtraction, the number with minimum number of significant figures is chosen and in the final answer same number of significant number is kept. The answer should not be more precise than the number with minimum number of significant figures.
Solution Summary: The author explains that for subtraction, the number with minimum number of significant figures is chosen and in the final answer the same number is kept.
(8.50×103)−(7.61×102) must be subtracted using the correct number of significant figures in the answer.
Concept Introduction:
For subtraction, the number with minimum number of significant figures is chosen and in the final answer same number of significant number is kept. The answer should not be more precise than the number with minimum number of significant figures.
Interpretation Introduction
(b)
Interpretation:
(9.120×10−2)−(3.12×10−3) must be subtracted using the correct number of significant figures in the answer.
Concept Introduction:
For subtraction, the number with minimum number of significant figures is chosen and in the final answer same number of significant number is kept. The answer should not be more precise than the number with minimum number of significant figures.
Interpretation Introduction
(c)
Interpretation:
(1.3045×102)−(2.3×10−1) must be subtracted using the correct number of significant figures in the answer.
Concept Introduction:
For subtraction, the number with minimum number of significant figures is chosen and in the final answer same number of significant number is kept. The answer should not be more precise than the number with minimum number of significant figures.
2. Provide a clear arrow-pushing mechanism for the following reactions. Do not skip proton
transfers, do not combine steps, and make sure your arrows are clear enough to be interpreted
without ambiguity.
a.
CH3
Ph
OEt
هد
Ph
CH3
Hint: the species on the left is an ynolate, which behaves a lot like an enolate.
b.
CH3
H3C
CH3
CH3
H3C
an unexpected product,
containing a single 9-
membered ring
the expected product,
containing two fused rings
H3C-I
(H3C)2CuLi
an enolate
b.
H3C
CH3
1.
2. H3O+
H3C
MgBr
H3C
Chapter 1 Solutions
OWLv2 for Bettelheim/Brown/Campbell/Farrell/Torres' Introduction to General, Organic and Biochemistry, 11th Edition, [Instant Access], 1 term (6 months)
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