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harina [27]
3 years ago
9

What kind of small objects composes much of the universe

Chemistry
1 answer:
Ivanshal [37]3 years ago
7 0
I believe it would be A) atoms because atoms are pretty much the smallest unit of matter.......hope it helps:)
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Which of the following contains both ionic and covalent bonding?
djyliett [7]
I believe the correct answer from the choices listed above is the first option. The compound that contains both ionic and covalent bonding is KOH or potassium hydroxide. It contains one covalent<span> (O-H) and one that is </span>ionic<span> (K-O). Hope this helps.</span>
7 0
3 years ago
Read 2 more answers
Please help! due soon!
nekit [7.7K]

Answer:

I think it's

there are the same number of molecules on each side of the equation, then a change of pressure makes no difference to the position of equilibrium

7 0
3 years ago
Just need help with these two questions
kvasek [131]
B/A hope it help thanks
8 0
3 years ago
Chemistry
Aleks [24]

Answer:

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Explanation:

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4 0
3 years ago
When equal volumes of 0.5 M HCl and 0.5 M Ca(OH)2 are mixed, the resulting solution is
Mademuasel [1]

The concentration of mixed solution = 0.5 M

<h3> Further explanation </h3>

Given

0.5 M HCl

0.5 M Ca(OH)₂

Required

The concentration

Solution

Molarity from 2 solutions :

Vm Mm = V₁. M₁ + V₂. M₂  

m = mixed solution

V = volume

M = molarity

V = mixed volume  

1 = solution 1

2 = solution 2

Vm = V₁+V₂

Equal volumes⇒V₁=V₂, and Vm = 2V, then equation becomes :

2V.Mm = V(M₁+M₂)

2V.Mm = V(0.5+0.5)

Mm=0.5 M

8 0
3 years ago
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