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ella [17]
3 years ago
11

Identify from the following list which examples are

Chemistry
1 answer:
torisob [31]3 years ago
5 0

Answer:

only change the amount of lemonade mix you add.

only change the amount of water you add.

Explanation:

just did this question

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What is the [H3O+] if the [OH-] is 1 x 10 -8?
Tanzania [10]

From the calculation, the concentration of the oxonium ions is 1 * 10^-6 M

<h3>What is concentration?</h3>

The term concentration refers to the amount of substances present in the solution. There are several units that can be used to show the concertation of a substances such as moles/liter, gram per liter, parts per billion, parts per billion, percentage etc.

Now we know that water is composed of the hydrogen and the hydroxide ions and the product of the both is generally known as the ion product of water and have a value of 1 * 10^-14.

If that be the case, we are in order to write the expression;

[H3O+]  [OH-] = 1 * 10^-14

[H3O+] = 1 * 10^-14/ [OH-]

[H3O+] = 1 * 10^-14/ 1 x 10^ -8

[H3O+] = 1 * 10^-6 M

Learn more about concentration:brainly.com/question/10725862

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2 years ago
What is mitosis. do in your own words plz
ioda
Mitosis is the reproduction of cells. There is an entire cycle of it as well! In the cycle, it has multiple phases. Prophase, Prometaphase, Metaphase, Anaphase, and Telophase. 
7 0
4 years ago
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What is the work when a gas expands from 0.666 L to 2.334 L against an external pressure of 2.07 atm?
Oksi-84 [34.3K]

Answer:

work = 3.45 Joules

Explanation:

Work from the 1st Law of Thermodynamics is PΔV in the equation of internal energy => ΔE = ΔH + PΔV.

Therefore, work = PΔV = 2.07atm·(2.334L - 0.666L) = 3.45 L·atm = 3.45 Joules

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Which of the following best describes weight? The amount of space an object takes up The amount of matter in an object The force
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