(a) Interpretation: ( 7.9 × 10 4 ) + ( 5.2 × 10 4 ) must be added using the correct number of significant figures in the answer. Concept Introduction: For addition, 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: ( 7.9 × 10 4 ) + ( 5.2 × 10 4 ) must be added using the correct number of significant figures in the answer. Concept Introduction: For addition, 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 the final result must contain two significant figures.
(7.9×104)+(5.2×104) must be added using the correct number of significant figures in the answer.
Concept Introduction:
For addition, 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:
(8.73×104)+(6.7×103) must be added using the correct number of significant figures in the answer.
Concept Introduction:
For addition, 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:
(3.63×10−4)+(4.776×10−3) must be added using the correct number of significant figures in the answer.
Concept Introduction:
For addition, the number with minimum number of significant figures after decimal point is chosen and in the final answer same number of significant number is kept after decimal point. The answer should not be more precise than the number with minimum number of significant figures.
Denote the dipole for the indicated bonds in the following molecules.
H3C
✓
CH3
B
F-CCl 3
Br-Cl
H3C Si(CH3)3
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OH
НО.
HO
HO
OH
vitamin C
CH3
For the SN2 reaction, draw the major organic product and select the correct (R) or (S) designation around the stereocenter
carbon in the organic substrate and organic product. Include wedge-and-dash bonds and draw hydrogen on a stereocenter.
Η
1
D
EN
Select Draw Templates More
C
H
D
N
Erase
Q9: Explain why compound I is protonated on O while compound II is protonated on N.
NH2
NH2
I
II
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