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2 years ago

USE YOUR OWN WORDS. Each question must have a three sentence long answer!

Chemistry

2 answers:

Furkat [3]2 years ago

8 0

Answer:

<em>YOU</em> use <em>YOUR OWN WORDS</em>

Explanation:

Have a good day! :)

Naily [24]2 years ago

5 0

Although many have taken science classes throughout the course of their studies, people often have incorrect or misleading ideas about some of the most important and basic principles in science. Most students have heard of hypotheses, theories, and laws, but what do these terms really mean? Prior to reading this section, consider what you have learned about these terms before. What do these terms mean to you? What do you read that contradicts or supports what you thought! So 2

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Do you believe the research subjects in the original study were appropriate for this experiment

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3 years ago

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If hydrochloric acid has a [H+] of 1.2 x 10-2 M, what is the pH?<br> 1.9<br> 0 1<br> 1.2<br> O<br> 8

Vanyuwa [196]

Answer:

Explanation:

The pH of a solution can be found by using the formula

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From the question we have

$pH = - log(1.2 \times {10}^{ - 2} ) \\ = 1.920818...$

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2 years ago

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What is the relationship between chemical equilibrium and the rates of forward and reverse reaction?

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the rate of a forward process must be exactly balanced by the rate of the reverse process.

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2 years ago

which of the following compounds exhibits dipole -dipole forces as its strongest attraction between molecules? o2,ch3Br,CCl4,He,

Archy [21]

Answer:

B. CH3Br

Explanation:

Dipole -Dipole interactions take place in polar molecules.

CH3Br exhibits dipole -dipole forces as its strongest attraction between molecules because it is a polar molecule due to the slightly negative dipole present on the Br molecule.

While O2 is a nonpolar molecule due to its linear structure, CCl4 has zero resultant dipole moment, Helium is non-polar and BrCH2CH2OH is a non polar compound having net dipole moment is zero.

Hence, the correct option is B. CH3Br.

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