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nlexa [21]
3 years ago
5

Are ions present in a sample of P406? Explain

Chemistry
1 answer:
kondaur [170]3 years ago
5 0

Explanation:

Ions are the species that contain a charge either positive or negative charge.

When a neutral atom loses an electron then it acquires a positive charge. Whereas if a neutral atom gains an electron then it acquires a negative charge.

For example, Na^{+} means there is +1 charge on sodium.

But if a compound does not contain any charge then it means the compound is neutral.

For example, in the compound P_{4}O_{6} there is no charge so, this compound is neutral.

Hence, we can conclude that no ions are present in a sample of P_{4}O_{6}.

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Consider the reaction. 2 Al ( s ) + Fe 2 O 3 ( s ) heat −−→ Al 2 O 3 ( s ) + 2 Fe ( l ) If 17.3 kg Al reacts with an excess of F
IrinaVladis [17]

Answer:

32.7 kilograms of aluminium oxide  will be produced.

Explanation:

2 Al ( s ) + Fe_2O_3 ( s ) +heat\rightarrow Al_2O_3 ( s ) + 2 Fe ( l )

Mass of aluminum = 17.3 kg = 17300 g (1 kg = 1000 g )

Moles of aluminium = \frac{17300 g}{27 g/mol}=640.74 mol

According to reaction, 2 moles of aluminum gives 1 mole of aluminum oxide,then 640.74 moles of aluminum will give:

\frac{1}{2}\times 640.74 mol= 320.37 mol of aluminum oxide

Mass of 320.37 moles of aluminum oxides:

320.37 mol × 102 g/mol = 32,677.74 g = 32.67774 kg ≈ 32.7 kg

32.7 kilograms of aluminium oxide  will be produced.

6 0
3 years ago
Which best explains the high surface tension of water?
ololo11 [35]
Your answer would be D
7 0
3 years ago
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A study of the decomposition reaction 3RS2  3R + 6S yields the following initial rate dat
shutvik [7]
Missing question: What is the rate constant for the reaction?
<span>[RS2](mol L-1) Rate (mol/(L·s))
0.150                0.0394
0.250                0.109
0.350                0.214
0.500                0.438</span>
Chemical reaction: 3RS₂ → 3R + 6S.
Compare second and fourth experiment, when concentration is doubled, rate of concentration is increaced by four. So rate is:
rate = k·[RS₂]².
k = 0,438 ÷ (0,500)².
k = 1,75 L/mol·s.
3 0
3 years ago
Match the correct simple with the correct elements of safety
grigory [225]

<u>c.</u> 12. preparing data tables and gathering safety equipment

<u>b.</u> 13. reading all instructions before beginning a science lab

<u>a.</u> 14. recognizing what a picture of a hand means

<u>e.</u> 15. wiping your work area with a wet paper towel

<u>d.</u> 16. wearing goggles and an apron

3 0
3 years ago
Is zinc an example of a element or compound?
Lerok [7]

Answer:

Zinc is an <em>element</em>.

Explanation:

Compounds are composed of two or more elements

3 0
2 years ago
Read 2 more answers
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