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bonufazy [111]
2 years ago
9

Why is the electrical charge of an atom zero or neutral?

Chemistry
1 answer:
kompoz [17]2 years ago
8 0
Because the atom isn't a isotope. The electrons, (negative charge) , and the protons, (positive charge), balance each other out. 
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Maya prepared 0.50 liters of a solution by dissolving 2.0 moles of an unknown compound in water. What is the molarity of the sol
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Answer:

4 M

Explanation:

Molarity can be represented by the following ratio:

Molarity = moles / volume (L)

Since you have been given both the mass and volume, you can plug the values into the equation and solve for molarity.

Molarity = moles / volumes

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Calculate the mass of water produced when 7.26 g of butane reacts with excess oxygen
MaRussiya [10]

Answer:

11.3 g.

Explanation:

Hello there!

In this case, since the combustion of butane is:

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Thus, since there is a 1:5 mole ratio between butane and water, we obtain the following mass of water:

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Answer:

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