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zmey [24]
3 years ago
7

Question 2(Multiple Choice Worth 4 points)

Chemistry
2 answers:
densk [106]3 years ago
6 0

Answer:

B. Construct a hypothesis

julsineya [31]3 years ago
6 0

Answer:

The correct answer will be option-C.

Explanation:

A scientific method is the systematic approach to understand and explain the natural events and phenomenon.

The method begins with making the observations which could lead to the formation of a scientific question. Background research is done based on which a predicted hypothesis is proposed which could be tested through the scientific experiments.

In the given question, student makes an observation on the basis of which he formulate a question. He do not review the background research on the question and directly formulates the hypothesis and follow other steps.

Since his method lacks the background research therefore, option-C is the correct answer.

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4 0
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Similarities and differences between covalent bonds and molecular interactions
yan [13]
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<span>- unsatisfied valency </span>
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<span>Intermolecular forces </span>
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3 0
3 years ago
I have 345 mL of a 1.5 M NaCl solution. If I boil the water until the volume of the solution is 250 mL, what will the molarity o
likoan [24]
We know that molarity = mol/L, so:

1.5 M = x mol/0.345 L

1.5 M * 0.345 L = x mol => 0.5175 mol

0.5175 mol/0.250 L = 2.07 M

Your new molarity of the solution will be 2.07 M.
6 0
3 years ago
A 10.0 cm3 sample of copper has a mass of 89.6 g. What is the density of copper
natali 33 [55]

Answer:

<h2>Density = 8.96 g/cm³</h2>

Explanation:

The density of a substance can be found by using the formula

Density =  \frac{mass}{volume}

From the question

mass of copper = 89.6 g

volume = 10 cm³

Substitute the values into the above formula and solve

That's

Density =  \frac{89.6}{10}

We have the final answer as

<h3>Density = 8.96 g/cm³</h3>

Hope this helps you

7 0
3 years ago
Someone plss help me!!!
NikAS [45]

Answer:

d. Cl2

sorry if I'm wrong

Cl2, as shown in the picture should have electrons in both the atoms but, in the question, the electrons are only in one of the atoms.

hope it helps :)

4 0
2 years ago
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