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Virty [35]
3 years ago
10

Which of these is a covalent compound? A. MgO B. CO C. LiCl D. AlCl3

Chemistry
2 answers:
kati45 [8]3 years ago
4 0
The answer would be B. CO
Tanya [424]3 years ago
4 0

Took quiz, It's B because i got it correct.

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What is the base dissociation constant for a weak base at equilibrium, B + H2O <===> BH+ + OH–?
podryga [215]
Depends on what the base is. You would reference the base dissociation chart for that value.
3 0
3 years ago
Read 2 more answers
2a. Density is the relationship between mass and volume. Density has
Charra [1.4K]

The volume of copper : 3.24 ml

<h3>Further explanation </h3>

Density is a quantity derived from the mass and volume

Density is the ratio of mass per unit volume

With the same mass, the volume of objects that have a high density will be smaller than objects with a smaller type of mass

The unit of density can be expressed in g/cm³ or kg/m³

Density formula:

\large{\boxed {\bold {\rho~=~ \frac {m} {V}}}}

ρ = density , g/cm³ or kg/m³

m = mass , g or kg

v = volume , cm³  or m³

A common example is the water density of 1 gr / cm³

The density of copper : 8.96 gr/ml

mass of copper : 29 g

then the volume :

\tt V=\dfrac{m}{\rho}\\\\V=\dfrac{29~g}{8.96~g/ml}\\\\V=\boxed{\bold{3.24~ml~or~3.24~cm^3}}

8 0
3 years ago
Select the correct answer.
Svetlanka [38]

Answer:

alcohol

I hope this helps you

7 0
3 years ago
Help pls! Answer all of it. Idk if what I wrote is correct.
trasher [3.6K]
The reaction is actually endothermic because delta H is positive, indicating that it absorbing heat. 
8 0
3 years ago
Given the following balanced equation:
svetlana [45]
So you would just take the coefficient and put it into ratio form

Answers:
1) 4:5
2)4:6
3)6:4
4)6:6
5)6:4
3 0
2 years ago
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