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1 year ago

A scientist observed a sample of an unknown material. His observations are shown.

Chemistry

1 answer:

Vikentia [17]1 year ago

8 0

The physical state that best describes the scientist's sample is solid (option C).

<h3>What are the states of matter?</h3>

Matter refers to any substance that has mass and occupies space. The states of matter are as follows;

Solids; a substance in the fundamental state of matter that retains its size and shape without need of a container.
Gases; a matter in a state intermediate between liquid and plasma that can be contained only if it is fully surrounded by a solid
Liquids; substance that is flowing such as water; Liquids readily change their relative position, and which therefore retains no definite shape, except that determined by the containing receptacle.

According to this question, a scientist observed a sample of an unknown material to have molecules that are packed closely together and have fixed positions in space relative to each other. It has resistance to deformation and change of volume.

This description best fits the solid state of matter.

Learn more about solids at: brainly.com/question/14237862

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Molar mass in sulfuric acid

EleoNora [17]

Hey there!

Sulfuric acid: H₂SO₄

H: 2 x 1.008 = 2.016

S: 1 x 32.065 = 32.065

O: 4 x 16 = 64

--------------------------------

98.081 g/mol

The molar mass of sulfuric acid is 98.081 g/mol.

Hope this helps!

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Strike441 [17]

The answer to your question is option A.

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I believe the correct answer is A

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3 years ago

Read 2 more answers

For each of the following cases, identify the order with respect to the reactant, A. Case (A ----> product)

damaskus [11]

Answer:

The answers to the question are

1. 2nd and above order order

2. 2nd order

3. 1/2 order

4. 1st order

5. 0 order

Explanation:

We have $\frac{N}{N_{0} } = e^{-\lambda t}$

1. For nth order reaction half life $t_{\frac{1}{2} }$ ∝ $\frac{1}{[A_{0} ]^{n-1} }$

Therefore for a 0 order reaction increasing concentration of the reactant there will increase $t_{\frac{1}{2} }$

First order reaction is independent [A₀].

Second order reaction [A₀] decrease, increase.

Similarly for a third order reaction

1. 2nd order

2. 2nd order reaction

3. Order of reaction is 1/2.

4. 1st order reaction.

5. Zero order reaction.

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3 years ago

Structure of isobutyl formate

Aliun [14]

Answer:

Isobutyl formate (2-methylpropyl methanoate) is an organic ester with the chemical formula C5H10O2. Used for flavor and fragrance because of its odor.

Explanation:

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3 years ago