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Aleonysh [2.5K]
3 years ago
9

How many centimeters are in 1 mile? Use the equalities 1 mile = 5280 feet; 1 foot = 12 inches; and 1 centimeter = 0.394 inches.

A. (5280 x 12 ∕ 0.394) cm B. 5280 ∕ (12 x 0.394) cm C. 5280 x 12 x 0.394 cm D. (5280 + 12 + 0.394) cm
Chemistry
2 answers:
Galina-37 [17]3 years ago
7 0
The answer is A which comes out to about 160812 cm
Alla [95]3 years ago
4 0

Answer:

A. \frac{5280*12}{0.394}cm

Explanation:

1. Take the quantity you want to convert:

1mile

2. Multiply by the first conversion factor:

1mile*\frac{5280feet}{1mile}

3. Apply the second conversion factor:

1mile*\frac{5280feet}{1mile}*\frac{12inches}{1foot}

4. Multiply by the third conversion factor:

1mile*\frac{5280feet}{1mile}*\frac{12inches}{1foot}*\frac{1centimeter}{0.394inches}

5. Multiply all the numerators and divide by denominators:

1mile*\frac{5280feet}{1mile}*\frac{12inches}{1foot}*\frac{1centimeter}{0.394inches}=\frac{5280*12}{0.394}cm

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The polarity of a bond depends on the difference in electronegativities of the atoms involved in bonding. Greater this difference, greater is the polarity

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Electronegativity values: S = 2.5, Cl = 3

Difference = 3.0 -2.5 = 0.5

2) In F2 we have the F-F bond

Electronegativity value: F = 4.0

Difference = 4.0-4.0 = 0

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Electronegativity value: C = 2.5, S = 2.5

Difference = 2.5 -2.5 = 0

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Electronegativity values: C = 2.5, F = 4.0

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5) In BrCl we have the Br-Cl bond

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Difference = 3.0 -2.8 = 0.2

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Which type of society survives mainly by foraging for food?
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            K_{a} = \frac{[H_{2}SO^{-}_{4}][H^{+}]}{[H_{3}AsO_{4}]}

Let us assume that the concentration of both [H_{2}AsO^{-}_{4}] and [H^{+}] is x.

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Since, we know that the relation between pH and concentration of hydrogen ions is as follows.

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The part of the garden, probably left to rest by the Gardner, would start experiencing a legion of invasive plants. Giant weeds and grasses could be seen, and brambles and tree seedlings could also sneak in.  

Some Gardeners would recommend the use of herbicides to restore order to an abandoned garden even though certain scientists are of the opinion that chemicals may not offer a sound solution to the problem.  

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