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Mariana [72]
3 years ago
15

Question 19 Unsaved

Chemistry
1 answer:
aliina [53]3 years ago
7 0

It described a nucleus surrounded by a large volume of space.

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What can you infer from the fact that metals are good conductors of electricity?
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Answer:

B

Explanation:

makes sense

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What is the overall energy transformation in a coal-fired power plant?.
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A student uses a solution of 1.2 molar sodium hydroxide (NaOH) to calculate the concentration of a solution of sulfuric acid (H2
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From the calculations, the concentration of the acid is 0.24 M.

<h3>What is neutralization?</h3>

The term neutralization has to do with a reaction in which an acid and a base react to form salt and water only.

We have to use the formula;

CAVA/CBVB = NA/NB

CAVANB =CBVBNA

The equation of the reaction is; 2NaOH + H2SO4 ----> Na2SO4 + 2H2O

CA = ?

CB = 1.2 M

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CA = 1.2 M * 20 mL * 1/ 50 mL * 2

CA = 0.24 M

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5 0
2 years ago
Which choice describes a population? A. all the gray squirrels that live in a forest B. a nonliving factor in an organism's envi
goldenfox [79]
I believe D. because all the organisms that live in a lake can be a bunch of living things that would be considered a population and not a species. I canceled out B. from the get go because, I don’t believe non living organisms can be in a population ?

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5 0
3 years ago
Perform the following mathematical operation and report the answer to the correct number of significant figures? ( I have watche
professor190 [17]

0.008 ÷ 51.3 = 0.0002

Sig Figs

1

0.0002

Decimals

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0.0002

Scientific Notation

2 × 10-4

E-Notation

2e-4

Words

zero point zero zero zero two

I HOPE I HELP

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3 years ago
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