2 years ago

What instrument is used to collect humidity data?

Chemistry

1 answer:

Inga [223]2 years ago

3 0

Surprisingly me an eighth grader is learning this but it is a hygrometer

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What is the pH of a solution in which [H 3O +] = 3.8 × 10 -8 M?

7nadin3 [17]

Answer:

<h3>The answer is 7.42 </h3>

Explanation:

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

$pH = - log [ { H_3O}^{+}]$

From the question we have

$pH = - log(3.8 \times {10}^{ - 8} ) \\ = 7.420216...$

We have the final answer as

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2 years ago

Charles's law is an experimental gas law that shows the relationship between the temperature of a gas and its corresponding volu

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Answer:

The correct answer is (b)

Explanation:

Charles law describes the behavior of gases when heated. Charles law states that the volume of a given mass of gas would increase as its Kelvin temperature increases provided the pressure is held constant. That is the volume of a given mass of gas is directly proportional to its Kelvin temperature at constant pressure

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3 years ago

Which comppund contains both ionic and covalent bonds

Anna11 [10]

Answer:

potassium contains both Ionic and covalent bonds

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1 year ago

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Explanation:

pH scale of acidic is 4.

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3 years ago

A particular chemical reaction is exergonic. What can you say about the relationship between the reactants and the products in t

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Products have a lower total Gibbs free energy in comparison with the reagents total Gibbs free energy.

Explanation:

Hello,

Exergonic chemical reactions are those that the overall Gibbs free energy is negative, it means that the products have a lower total Gibbs free energy, turning out into a spontaneous chemical reaction. Such reactions are thermodynamically possible under standard conditions and they usually release heat.

Best regards.

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3 years ago