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Solnce55 [7]
3 years ago
7

During oxidation what happen

Chemistry
1 answer:
Agata [3.3K]3 years ago
4 0
Oxidation is when a substance gains oxygen molecules. For example when hydrogen reacts with oxygen it forms H₂O. The H₂ has been oxidised.
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A physical reaction is a process in which one or more reactants change into one or more products with different properties. Plea
soldi70 [24.7K]

the answer is true trust me i got this answer wrong my dumb self chose f.

3 0
3 years ago
Ionic compounds are normally in which physical state at room temperature?
Ivahew [28]
<span>Ionic compounds are normally in which physical state at room temperature in solid. The answer is A. 

</span>Ionic Compounds Are Balanced. Table salt is an example of an ionic compound. Sodium<span> and </span>chlorine<span>ions come together to form </span>sodium chloride<span>, or </span>NaCl<span>. The </span>sodium atom<span> in this compound loses an electron to become Na+, while the </span>chlorine<span> atom gains an electron to become Cl-.</span>
8 0
3 years ago
Read 2 more answers
True or false: elements are atoms or molecules that have a net charge
denpristay [2]

Answer:

true

Explanation:

5 0
3 years ago
How do I do question number 3? And what is the answer?
shutvik [7]

Answer:

60.02 g.

Explanation:

  • It is clear from the balanced equation:

<em>Mg + 2HCl → MgCl₂ + H₂. </em>

that 1.0  mole of Mg reacts with 2.0 moles of HCl to produce 1.0 mole of MgCl₂ and 1.0 moles of H₂.

  • 20.0 g of Mg reacts with excess HCl. To calculate the no. of grams of HCl that reacted, we should calculate the no. of moles of Mg:

<em>no. of moles of Mg = mass/atomic mass</em> = (20.0 g)/(24.3 g/mol) = 0.823 mol.

  • From the balanced equation; every 1.0 mol of Mg reacts with 2 moles of HCl.

∴ 0.833 mol of Mg will react with (2 x 0.833 mol = 1.646 mol) of HCl.

<em>∴ The mass of reacted HCl = no. of moles x molar mass</em> = (1.646 mol)(36.46 g/mol) = <em>60.02 g.</em>

3 0
3 years ago
What is the orbital diagram for fluorine?
pogonyaev

Explanation:

The orbital for fluorine is 1s 2s 2p. All of the boxes should be filled COMPLETELY until you can't no more. How do you know if you can't anymore? By the <u>atomic number</u> of the element. The atomic number for fluorine is 9. So, you keep adding arrows starting from the first box all the way to the last until you have reached the atomic number, in this case, 9.

Answer:

8 0
3 years ago
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