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ivanzaharov [21]
3 years ago
5

If a object started moving have did it’s velocity change?

Chemistry
1 answer:
Otrada [13]3 years ago
3 0

Answer:

the velocity did change

Explanation:

velocity is the rate of change of its position with respect to a frame of reference.

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The properties of organic compounds is determined by <u>A) Their boiling point</u><u />.
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What is the pH of a solution with an [H+] = 4.73x10^-7 M
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Answer:

The answer to your question is pH = 6.3

Explanation:

Data

pH = ?

[H⁺] = 4.73 x 10⁻⁷ M

pH is the measure of the concentration of [H⁺]. pH measures the acidity of the solution. If the value of pH is between 0 and 6.9, the solution is an acid. If the pH is 7.0 the solution is neutral and if the pH is between 7.1 and 14, the solution is an alkali.

Formula

pH = -log[H⁺]

Substitution

pH = -log[4.73 x 10⁻⁷]

-Simplification

pH = - (-6.3)

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Which linkages in starch and triglycerides result from condensation reactions? glycosidic bonds in starch and ester bonds in tri
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Complete the following reaction.<br> 14N+ on →?C+1H<br> 18C<br> 14<br> 1 C<br> 18C
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Answer: The complete reaction is as follows.

 ^{14}_{7}N + ^{1}_{0}n \rightarrow ^{14}_{6}C + ^{1}_{1}H

Explanation:

When nucleus of two or more atoms are bombarded together then it leads to the formation of new particles with new identity. This type of reaction are called nuclear reaction.

For example, ^{14}_{7}N + ^{1}_{0}n \rightarrow ?C + ^{1}_{1}H

Here, nitrogen atom when bombarded with a neutron then it is forming hydrogen and a carbon atom.

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The number of protons holded by this carbon atom is (7 - 1) = 6.

Therefore, we can conclude that the complete reaction is as follows.

 ^{14}_{7}N + ^{1}_{0}n \rightarrow ^{14}_{6}C + ^{1}_{1}H

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Which is a physical change?
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Making toast is a physical change.



*** Please mark this answer as the Brainliest and leave a Thanks if I helped you! :) ***

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