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bija089 [108]
3 years ago
5

Examples for non metals​

Chemistry
1 answer:
nadezda [96]3 years ago
4 0

Answer:

you can write plastic , paper , stone e.t.c

Explanation:

non metals means who are not being attracted by magnets

                                        or

which does not have good conductor of heat and electricity

          some others examples can be sulpher

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\text{Number of moles}=\frac{\text{Given mass}}{\text {Molar mass}}

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\text{Number of moles}=\frac{5.2g}{58.12g/mol}=0.09moles

b) moles of oxygen

\text{Number of moles}=\frac{32.6g}{32g/mol}=1.02moles

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According to stoichiometry :

2 moles of butane require 13 moles of O_2

Thus 0.09 moles of butane will require =\frac{13}{2}\times 0.09=0.585moles  of O_2

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Thus all the butane will be consumed and 0.0 grams of butane will be left.

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In the formula KBr, there is/are:
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<h3>Answer:</h3>

b. 1 Potassium  atom

c. 1 bromine atom

<h3>Explanation:</h3>

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  • Additionally, the formula of compound shows the number atoms of each element making up the compound.

In this case;

We are given the Formula KBr

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  • From the formula, we can tell that the compound is made up of potassium and bromine atoms.
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