2 years ago

What is produced each time a c-c bond is re-arranged or broken?

Chemistry

1 answer:

otez555 [7]2 years ago

8 0

Covalent bond is the answer.

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A human red blood cell is about 0.000008 meters in diameter which of the following represents this number in scientific notation

lukranit [14]

Given:

Diameter of a red blood cell = 0.000008

To determine:

The scientific notation corresponding to the given number

Explanation:

Scientific notation is a concise way of representing a very large or small number. It is written in two parts:

Given Number = Digits * Power of 10

In this case we have:

0.000008 = 8.0 * 10⁻⁶

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2 years ago

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The atom contain 6 neutrons, if that's the question

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The answer to this question is 159.609 g/mol

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The table shows the pH levels of four common items. If a student tests a sample of each item, which will turn a strip of red lit

podryga [215]

The answer is d, hand soap.

Hand soap is alkaline and red litmus paper turns blue when exposed to alkaline solution.

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Calculation of Molar Ratios of Conjugate Base to Weak Acid from pH For a weak acid with a pKa of 6.0, calculate the ratio of con

Free_Kalibri [48]

Explanation:

According to the Handerson equation,

pH = $pK_{a} + log \frac{\text{salt}}{\text{acid}}$

or, pH = $pK_{a} + log \frac{\text{conjugate base}}{\text{acid}}$

Putting the given values into the above equation as follows.

pH = $pK_{a} + log \frac{\text{conjugate base}}{\text{acid}}$

5.0 = 6.0 + log \frac{\text{conjugate base}}{\text{acid}}[/tex]

$log \frac{\text{conjugate base}}{\text{acid}}$ = -1.0

or, $\frac{\text{conjugate base}}{\text{acid}} = 10^{-1.0}$

= 0.1

Therefore, we can conclude that molar ratios of conjugate base to weak acid for given solution is 0.1.

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2 years ago