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den301095 [7]
3 years ago
6

For a half-reaction in an acidic solution, which substances should you add to balance the equation?

Chemistry
1 answer:
Alla [95]3 years ago
8 0
The answer is a. H+ and H2O. For a half-reaction in acidic solutions, elements that are not hydrogen and oxygen are balanced first. Then we add H2O to balance oxygen atoms and we add H+ to balance the hydrogen atoms. We do the same steps for basic solutions, but we also add hydroxide ions OH- in the latter part.
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Which compound is produced when HCl(aq) is neutralized by Ca(OH)2(aq)?
kiruha [24]

<u>Answer:</u> The correct answer is Option 1.

<u>Explanation:</u>

Neutralization reaction is defined as the reaction in which acid reacts with a base to produce a salt along with water.

Here, HCl is an acid and Ca(OH)_2 is a base. When these two compounds react, the salt obtained is calcium chloride.

The equation for the above reaction is given by:

2HCl(aq.)+Ca(OH)_2(aq.)\rightarrow CaCl_2(s)+2H_2O(l)

Hence, the correct answer is Option 1.

8 0
2 years ago
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Why are hydrogen bonds important for the properties of water?
zavuch27 [327]
Water has the special type of attraction called Hydrogen bonding.  The bonds between the Hydrogen and the Oxygen in each water molecule make a super dipole because the Oxygen atom is way more electronegative than the hydrogen atom.  These OH bonds can then be attracted to other H2O molecules.  If you have ever poured water up to the brim and there is  little bit of water that is poking above the top, hydrogen bonding keeps those water molecules from spilling
5 0
3 years ago
I NEED HELP PLEASE, THANKS! :)
Free_Kalibri [48]

Answer:

Cs

Explanation:

Metallic character increases across a period to the left and downwards.

If you look at the periodic table, Cs is lower and more towards the left.

7 0
3 years ago
State the name of the ion which is oxidised in the following half equations. Cathode: Na+ + e– → Na Anode: 2Cl– → Cl2 + 2e–
jenyasd209 [6]

Answer:

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Explanation:

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4 0
3 years ago
If I have 20g of Sodium, how many moles of Sodium Oxide (Na2O) can be made?
Vika [28.1K]
Mass:20g

Mole=20/[2(23)+16]
=0.32 mil
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3 years ago
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