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romanna [79]
3 years ago
15

Which of the following statements is correct?

Chemistry
1 answer:
Aliun [14]3 years ago
7 0
The correct letter of the answer that states why strong acids are good conductors of electricity is letter B, it is because strong acids have the ability to completely ionize in water, giving the ability of being a good conductor towards electricity. Other choices are incorrect because it applies that it is a poor conductor or it only partially ionize water.
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Solid Mg(OH)2 is mixed with water and the following reversible reaction occurs:________.
hram777 [196]

Answer:

Mg^2+ and OH- are the chemical species present at the equilibrium. Mg(OH)2 will not affect the equilibrium.

Explanation:

Step 1: data given

Reactants are Solid Mg(OH)2 and H2O(l)

Kc1 = 1.8 * 10^-11

Step 2: The balanced equation

Mg(OH)2(s)  ⇄ Mg2+(aq) + 2OH-(aq)

Step 3: Define the equilibrium constant Kc

Kc = [OH-]²[Mg^2+]

Pure solids and liquids do not have any effect or influence on the equilibrium in the reaction. So they are not included in the equilibrium constant expression.

This means Mg^2+ and OH- are the chemical species present at the equilibrium. Mg(OH)2 will not affect the equilibrium.

7 0
3 years ago
I need help hee heeeeeeeeeee
aivan3 [116]
Table salt is a compound because Sodium (Na) and Chlorine (Cl) were combined to make a new group.
3 0
3 years ago
A sample of chlorine containing isotopes of mass numbers 35 and 37 was analysed in a mass-spectrometer. How many peaks correspon
Zolol [24]
Three peaks corresponding to Cl+2 will be recorded. The peaks are for isotope 35, both 35 and 37 and for isotope 37. Mass spectrometer has the ability to detect and separate isotopes, even those differing by a single atomic mass unit. When chlorine isotopes are analysed by mass spectrometer, either peak M or M+2 can be obtained. The intensity ratio in the isotope pattern depends on the natural abundance of the isotopes.
3 0
3 years ago
When Brian first sorted out his thoughts, he figured this was the first day after the crash and what did he think would happen n
Leya [2.2K]

It should be noted that when Brian first sorted out his thoughts, the first thing that he thought would happen next is that he would probably be rescued that day.

It should be noted that in Chapter 5 of Hatchet, Brian wakes up in the forest and then, he realized that he was desperately thirsty.

When Brian first sorted out his thoughts, he figured this was the first day after the crash and that he would probably be rescued that day. He believed that he was going to wither up and die if he doesn't get anything that he'll drink.

Learn more about excerpts on:

brainly.com/question/21400963

7 0
2 years ago
What is the molar mass of HCl??
irakobra [83]
HCl = 1 + 35.5 => 36.5 g/mol

hope this helps!
7 0
3 years ago
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