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3 years ago

What is a negatively charged subatomic particle?

Chemistry

1 answer:

zvonat [6]3 years ago

5 0

I think its electrons

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What pattern appears in the vertical arrangement (columns) of the elements in the Periodic Table, moving from top to bottom?

Grace [21]

Idk if this is the information you need but the energy level gets higher the farther you move down the Periodic Table. Every element in a vertical line has the same energy level.

3 0

3 years ago

If E=mc^2,solve for both m and c. Also, if m=80 and c=0.40 what is the value of E?

Pie

Answer:

$m = \frac{E}{c^2}$

$c = \sqrt{\frac{E}{m} }$

$E = 12.8 J$

Explanation:

Part 1: Solving for m

We are given that:

E = mc²

To solve for m, we will need to isolate the m on one side of the equation

This means that we will simply divide both sides by c²

$m = \frac{E}{c^2}$

Part 2: Solving for c

We are given that:

E = mc²

To solve for c, we will need to isolate the m on one side of the equation

This means that first we will divide both sides by m and then take square root for both sides to get the value of c

$c^2 = \frac{E}{m}\\ \\ c=\sqrt{\frac{E}{m}}$

Part 3: Solving for E

We are given that:

m = 80 and c = 0.4

To get the value of E, we will simply substitute in the given equation:

E = mc²

E = (80) × (0.4)²

E = 12.8 J

Hope this helps :)

4 0

3 years ago

What do scientist do too easily share measurement data they can understand

Mrrafil [7]

They often create data tables, charts, or graphs to easily communicate results.

6 0

3 years ago

In which pair would both compounds have the same empirical formula? A. H2O and H2O2 B. BaSO4 and BaSO3 C. FeO and Fe2O3 D. C6H12

Dmitriy789 [7]

"C6H12O6 and HC2H3O2" is the one pair among the following choices given in the question in which both compounds have the same empirical formula. The correct option among all the options that are given in the question is the fourth option or option "D". I hope the answer has come to your great help.

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3 years ago

The reaction between lead metal and dilute hydrochloric acid stops immediately explanation

sesenic [268]

Answer:

The metal responds in a certain way with dilute HCl to give it's corresponding chloride and hydrogen gas is liberated.

3 0

3 years ago