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3 years ago

True or False: The Ring of Fire is a section along the Atlantic Ocean where you have active volcanoes

Chemistry

2 answers:

Romashka [77]3 years ago

6 0

False because the Atlantic Ocean dose not have active volcanoes besides that’s a ocean so no

Scilla [17]3 years ago

6 0

False it’s the parific ocean that has active volcanoes

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A 2.4 L balloon holds 3.7 mol He. If 1.6 mol He are added to the balloon, what is the new volume?

Elanso [62]

For this question, lets apply Avagadro's law
when Pressure and temperature are constant, the volume occupied is directly proportional to the number of moles of gases.
$\frac{V}{n} = k$
where V-volume, n-number of moles and k - constant
Therefore at 2 instances
$\frac{V1}{n1} = \frac{V2}{n2}$
where V1 and n1 are for 1st instance
and V2 and n2 are for 2nd instance
therefore
$\frac{V1}{n1} = \frac{V2}{n2}$
V1 = 2.4 L
n1 = 3.7 mol
n2 = 3.7 + 1.6 = 5.3 mol
since more He moles are added at the 2nd instance its the sum of the moles.
V2 needs to be calculated $\frac{2.4}{3.7} = \frac{V2}{5.3}$
V2 = 2.4 x 5.3 / 3.7
= 3.4 L
Answer is 1st option 3.4 L

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3 years ago

I NEED HELP ASAP!! What is the difference between the experimental group and a control group?

dexar [7]

I believe the control group is what doesn't change in the experiment, and the experimental group is what is being tested / receives the treatment :)

3 0

3 years ago

The periodic law states that the physical and chemical properties of elements are periodic functions of their?

svetoff [14.1K]

The periodic law states that the physical and chemical properties of elements are periodic functions of their "Atomic Numbers"

So, option B is your answer.

Hope this helps!

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3 years ago

In principle, the equilibrium in the dehydration of an alcohol could be shifted to the right be removal of water. Why is this ta

Trava [24]

Answer:

See explanation

Explanation:

In this case, we have to remember that if we want to remove water from the reaction vessel we have to heat the vessel. So, we can convert the liquid water into gas water and we can remove it from the vessel. In this case, the products of dehydration for both molecules are (E)-4-methylpent-2-ene and cyclohexene with boiling points of 59.2 ºC and 89 ºC respectively. The boiling point of water is 100 ºC, therefore if we heat the vessel the products and water would leave the system, and the products would be lost.

See figure 1

I hope it helps!

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3 years ago

Does the pH increase or decrease, and does it do so to a large or small extent, with each of the following additions?(c) 5 drops

Umnica [9.8K]

The pH decreases to a large or small extent with each of the given additions.

<h3>What is common name of NaOH?</h3>

The common name of NaOH is sodium hydroxide. Lye and caustic soda are other names for sodium hydroxide, an inorganic substance having the formula NaOH. It is a white, solid ionic substance made up of the cations sodium (Na+) and the anions hydroxide (OH). Sodium hydroxide is a chemical that manufacturers utilize to make things like soap, rayon, paper, explosives, colors, and petroleum products. Processing cotton fabrics, metal cleaning and processing, oxide coating, electroplating, and electrolytic extraction are further uses for sodium hydroxide. A caustic metallic base is sodium hydroxide (NaOH), sometimes referred to as lye or caustic soda. Caustic soda, an alkali, is commonly employed in a variety of sectors, primarily as a potent chemical base in the production of pulp and paper, textiles, drinking water, and detergents.

To learn more about sodium hydroxide, visit:

brainly.com/question/24010534

#SPJ4

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1 year ago