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3 years ago

Which step of the scientific method involves identifying variables

Chemistry

2 answers:

Vlada [557]3 years ago

3 0

Testing a typothesiss

Marysya12 [62]3 years ago

3 0

The correct answer is:

Testing a hypothesis

Explanation:

Hypothesis testing is an action in statistics how an analyst tests a suspicion concerning a population parameter. Hypothesis testing is done to indicate the outcome of a hypothesis presented on individual data from a larger population. Hypothesis testing is an imperative idea in statistics. A hypothesis test estimates two together private statements about a population to settle which statement is best maintained by the sample data.

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What is the electronegativity difference for a bond between potassium and iodine? A. 3.3 B. 4.6 C. 0.4 D. 1.7

user100 [1]

Iodine has an electronegativity of 2.5, and potassium has an electronegativity of 0.8, so the difference is:
2.5 - 0.8 = 1.7

7 0

3 years ago

Read 2 more answers

Balance the equation for this reaction:<br> _ FeCl3 + KSCN --<br> --> _ KCI + Fe(SCN)3

kykrilka [37]

Explanation:

FeCl3 + <u>3</u> KSCN ➡ <u>3</u> KCl + Fe(SCN)3

Hope it helps

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3 years ago

What is the difference between a mixture and compound

bonufazy [111]

A compound is made up of a single type of molecule. A mixture, on the other hand, is made up of different substances that can be distinguished from one another.
As an example:
Water (pure water) is a compound since it's only made up of water molecules
Seawater is a mixture since it is made up of water molecules and soluble salts

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3 years ago

Convert 56km/s to its equivalent in m/hr

boyakko [2]

56km/s is 201600m/hr to its equivalent.

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3 years ago

A solution that is able to dissolve additional solute is best described as

worty [1.4K]

<h2>Question:</h2>

A solution that is able to dissolve additional solute is best described as _____.

<h2>Answer:</h2>

<h2>D.) Unsaturated </h2>

<u>Unsaturated</u> means the substance is poured into the solvent that can be dissolved. It is a solution (with less solute than the saturated solution) that completely dissolves, leaving with no remaining substances.

<h2>For example:</h2>

If you were to pour olive oil into a glass of water, it will dissolve, so it is <u>unsaturated</u>.

_________

#LetsStudy

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3 years ago