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Sveta_85 [38]
3 years ago
5

Name the three elements from the periodic table that is good for you?

Chemistry
1 answer:
Naddika [18.5K]3 years ago
5 0

Its D.

Carbon provides our natural fuel. Oxygen is important because it is essential in many processes that enable life and in the transformation of energy. Oxygen can also combine with so many different elements to form numerous compounds, and Nitrogen is vital in our world.

<h2><u><em>Hope this helped! ❤</em></u></h2>
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How many elements are represented in the formula CaCO3
Vlada [557]

Answer:

3

Explanation:

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hope u like it ‍❤️‍‍❤️‍‍

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4 years ago
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What is the density (in g/L) of a gas with
viva [34]

Answer:

2.22 g/L

Explanation:

There's a relationship using the ideal gas law between molar mass and density: MM=\frac{dRT}{P}, where MM is the molar mass, d is the density, R is the gas constant, T is the temperature, and P is the pressure.

We know from the problem that MM = 32.49 g/mol, T = 458 Kelvin, and P = 2.569 atm. The gas constant, R, in terms of the units atm and Kelvin is 0.08206. Let's substitute these values into the formula:

MM=\frac{dRT}{P}

32.49g/mol=\frac{d*0.08206*458K}{2.569atm}

Solve for d:

d * 0.08206 * 458 K = 32.49 * 2.569

d = (32.49 * 2.569) / (0.08206 * 458 K) ≈ 2.22 g/L

The answer is thus 2.22 g/L.

<em>~ an aesthetics lover</em>

4 0
4 years ago
Logs in a fire, and charged batteries are examples of?
vlabodo [156]

Answer:

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Explanation:

I just learned this in science.

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Yuliya22 [10]

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