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laiz [17]
3 years ago
9

Write a balanced combustion reaction for C2H2 (acetylene). How did you know which products should be formed? Explain your reason

ing.
Chemistry
1 answer:
lesya [120]3 years ago
8 0
Most of the organic compunds burn to give CO2 and H2O

2C2H2 + 5O2 =  4CO2+ 2H2O

:)
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2 years ago
In a chemical reaction, an atom of lithium (Li) loses an electron, and an atom of chlorine (Cl) gains an
Blababa [14]

Answer:

a

Explanation:

Li will have + charge and Cl with - charge.. Positive and negative attract each other forming ionic bond

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What is Hurricane negative effects on human life in Florida
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3 years ago
Suppose a solution is described as concentrated. Which of the following statements can be concluded? Select the correct answer b
Novosadov [1.4K]

Answer:

  • last option: none of<u> the above.</u>

Explanation:

Describing a solution as<em> concentrated</em> tells that the solution has a relative large concentration, but it is a qualitative description, not a quantitative one, so this does not tell really how concentrated the solution is. This is, the term concentrated is a kind of vague; it just lets you know that the solution is not very diluted, but, as said initially, that there is a relative large amount (concentration) of solute.

One conclusion, of course, is that <u>the solute is soluble</u>: else the solution were not concentrated.

On the other hand, the terms saturated and <em>supersaturated</em> to define a solution are specific.

A saturated solution has all the solute that certain amount of solvent can contain, at a given temperature. A <u>supersaturated solution has more solute dissolved than the saturated solution</u> at the same temperature; superstaturation is a very unstable condition.

From above, there is no way that you can conclude whether a solution is supersaturated or not from the statement that a solution is concentrated, so the answer is<u> none of the above</u>.

5 0
3 years ago
An atom has atomic number 11 and mass number 23. How many electrons does the atom have?
Gre4nikov [31]

Answer:

11

Explanation:

the atomic number is the same as the number of electrons

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