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nekit [7.7K]
3 years ago
13

Plz answer 3 ,4,5 thanks

Chemistry
1 answer:
ratelena [41]3 years ago
5 0
For #3 the answer is B, for #4 the answer is F, and for #5 the answer is B.
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G An example of an element is ____.
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3 years ago
H2(g) + Co(g) _CH3OH<br> balance the equation <br>​
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Answer:

CO + 2H2 = CH3OH

Explanation:

1. Label Each Compound With a Variable

  aCO + bH2 = cCH3OH

2. Create a System of Equations, One Per Element

  C: 1a + 0b = 1c

  O: 1a + 0b = 1c

  H: 0a + 2b = 4c

3. Solve For All Variables (using substitution, gauss elimination, or a calculator)

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  b = 2

  c = 1

4. Substitute Coefficients and Verify Result

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      L R

  C: 1 1 ✔️

  O: 1 1 ✔️

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8 0
2 years ago
Which type of element is not likely to react chemically with other elements to form a compound?
blsea [12.9K]

Answer:

The noble gases with complete outermost shell electrons.

Explanation:

Noble gases or inert gases do not react chemically with other elements because they have a complete configuration of their electronic shells. What drives chemical reaction is simply the exchange of electrons between two or more atoms. It can be a loss, a gain or simple sharing of electrons in order to achieve a complete configuration just like those of noble gases.

5 0
3 years ago
Calculate number of moles present in 2.3g
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Explanation:

idk if that's the actual answer but I hope it helps (:

4 0
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