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Tatiana [17]
3 years ago
12

Explain how synthesis and decomposition reactions can be reverse of one another

Chemistry
1 answer:
lana66690 [7]3 years ago
5 0

Decompostion reaction have the general chemical reaction of: AB = A + B while synthesis reactions are of the general equation A + B = AB. These reaction can be the reverse of each other because ones building a compound (synthesis) and ones breaking down a compound (decomposition). For example, when reacting carbon and oxygen for a synthesis reaction we have: C + O2 = CO2 and for a decomposition reaction we have: CO2 = C + O2. Thus, these two reactions are the reverse of each other.

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What is %N in (NH4)3PO4
Salsk061 [2.6K]
<h3>Answer:</h3>

28.17 %

<h3>Explanation:</h3>

In the question we are required to determine the percent by mass of nitrogen in  (NH₄)₃PO₄.

  • To calculate the percent by mass of an element in a compound we use the formula;
  • % by mass =(Mass of the element÷ Relative formula mass of the compound)100

In this case;

  • Atomic mass of nitrogen is 14.0 g/mol

But; There are three nitrogen atoms in (NH₄)₃PO₄.

Therefore; Mass of nitrogen in (NH₄)₃PO₄ = 14.0 × 3

                                                                     = 42 g

The relative formula mass of (NH₄)₃PO₄ = 149.0867 g/mol

Thus;

% by mass of N = (42 g ÷ 149.0867 g/mo)× 100%

                          = 28.17 %

Therefore, the % by mass of N is (NH₄)₃PO₄ is 28.17%

5 0
3 years ago
Do you think flowers are important to mankind? If yes explain why in your own words please
weeeeeb [17]

Answer:

Purity, power, and selflessness are all symbols associated with the flower. They aspire to lead the entire human species along the noble road. The receiver feels calmed and uplifted by the sight of lovely fresh flowers, which is why they have had a particular position in human history from ancient times.

7 0
2 years ago
Read 2 more answers
Inferring conclusions if you find an element in nature in its pure elemental state what can you infer about the elements chemica
Grace [21]

Answer;

-Not that reactive

The element found is not very reactive.

Explanation;

-If an element is found in nature in its pure elemental state then the the element found is not very reactive.

-There are many elements which are not much reactive. such as in metals- Ag, Au, Hg, Cu etc. and in Non metals- O2, N2, Inert gases etc.

- For checking its chemical properties you will have to examine it with O2 or C-12.


3 0
3 years ago
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mariarad [96]

Answer:

I think it is Plasma

Explanation:

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Tresset [83]

it exists as atom or ion but not as sodium molecule. So there is no any sodium sodium bonding between two sodium atoms. Sodium combines with other element or group to form compounds of sodium like sodium chloride ,sodium carbonate ,sodium sulphate etc. Sodium has symbol Na and its atomic no. is 11 .

4 0
3 years ago
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