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nalin [4]
3 years ago
8

. The element with the following

Chemistry
1 answer:
Ksenya-84 [330]3 years ago
7 0

Explanation:

(a) Chlorine the first row Is 1s the second is 2s followed by 2p...etc as Chlorine has 17 electrons

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A 1.525g sample of a compound between nitrogen and hydrogen contains 1.333 g of nitrogen. Calculate its empirical formula. The e
vredina [299]

Answer:

NH2.

Explanation:

The mass of hydrogen in the sample = 1.525 - 1.333 = 0.192g.

Dividing the 2 masses by the  relative atomic mass of hydrogen and nitrogen:

H: 0.192 / 1.008 = 0.1905

N: 1.333 / 14.007 = 0.09517

The ratio of N to H =  0.09517 : 0.1905

=  1 : 2.

So the empirical formula is  NH2.

5 0
3 years ago
Mario performed an experiment to investigate how certain substances dissolve in water. He poured the substances in separate beak
geniusboy [140]

Answer: Solubility

Explanation:

Solubility is the ability or property  of a solute which can be  a solid, liquid, or gaseous chemical substance to dissolve in a solvent (solid, liquid or gas) and form a solution. The factors that affect how soluble a substance is depends on the solvent ,temperature and pressure.

Here, Mario trying to dissolve certain substances (solutes) in water (the  solvent shows he is trying to find out the solubility of the substances which can be insoluble, sparingly soluble or very soluble.

8 0
3 years ago
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What area of chemistry are marine chemist
Hitman42 [59]

Answer:

As a marine chemist, you study the chemical properties of different bodies of water with the goal of making them safer and cleaner. For this to happen, you determine the potential effects of foreign chemicals, as well as the impact of aquatic transportation and construction, on rivers, lakes, and oceans.

Explanation:

6 0
3 years ago
In this lab, you will use a precise scale and heat to identify the mole ratio of an unidentified hydrate. Write an investigative
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Answer:

How can drying a hydrate help you determine its mole ratio of water to salt?

Explanation:

4 0
3 years ago
A basketball has a mass of 1 kg and is traveling 15 m/s. How fast would a 6 kg bowling ball have to travel to have the same mome
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The answer is A.4m/s because a bowling ball has more mass then a basketball

I hope this helps
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3 years ago
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