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Irina18 [472]
3 years ago
12

Many scientists believe that the current period of global warming is related to increased levels of

Chemistry
2 answers:
OlgaM077 [116]3 years ago
5 0
Option B is your answer.
Nana76 [90]3 years ago
5 0
The answer is B.carbon dioxide in the earths atmosphere 
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There is a maximum of two electrons in the outer shell.
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Chemist and physicist marie curie became famous for her pioneering research on radioactivity. What are the two chemical elements
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The two elements are POLONIUM and RADIUM.

Explanation:

Maria Curie is a French physicist and chemist, though she was of a Polish naturals. She was the first woman to receive a Noble Price which she earned for conducting leading and head way research on radioactivity. She discovered the theory of radioactivity; also the techniques isolating radioactive isotopes. These helped her and her husband discover Polium and Radium.

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A solution that has a large amount of dissolved solute is called
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2HNO3 (aq) + Na2CO3 (aq) → 2NaNO3 (aq) + CO2 (g) + H2O (l)

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HNO3 (aq) + Na2CO3 (aq) → NaNO3 (aq) + CO2 (g) + H2O (l)

However, this equation is not balanced as the number of atoms of each element must be the same on both sides of the equation. To balance the equation, one will make use of coefficients as follows:

2HNO3 (aq) + Na2CO3 (aq) → 2NaNO3 (aq) + CO2 (g) + H2O (l)

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True or False: A revoked license can be renewed after 10 days.
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