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Assoli18 [71]
3 years ago
10

Classify the following substances as an element,a mixture or a compound1.limestone​

Chemistry
1 answer:
vovangra [49]3 years ago
3 0

Answer: what’s your color. I wanna know oh oh oh

Explanation: Hahhhahhanahhahhajja

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Which noble gas is closer to magnesium
cricket20 [7]

I believe Neon is closest to Magnesium on the Periodic Table of elements.

Sorry if I'm wrong, hope I could help though! :)

3 0
3 years ago
The terms Q and K refer to reaction components at non-equilibrium and equilibrium conditions, respectively. For a forward reacti
daser333 [38]

Answer:

The value of Q must be less than that of K.

Explanation:

The difference of K and Q can be understood with the help of an example as follows

         A ⇄ B

In this reaction A is converted into B but after some A is converted , forward reaction stops At this point , let equilibrium concentration of B be [B] and let equilibrium concentration of A be [A]

In this case ratio of  [B] and  [A]  that is

K =  [B] / [A] which is called equilibrium constant.

But if we measure the concentration of A and B ,before equilibrium is reached , then the ratio of the concentration of A and B will be called Q. As reaction continues concentration of A increases and concentration of B decreases. Hence Q tends to be equal to K.

Q = [B] / [A] . It is clear that Q < K before equilibrium.

If Q < K , reaction will proceed towards equilibrium or forward reaction will

proceed .

8 0
3 years ago
Find the momentum of 5 kg bowling ball at 10 m/s.
leva [86]

30 kg m/s

momentum = mass x velocity = 10 x 3 m/s =30 kg m/s

5 0
3 years ago
Use the images to explain why carbon forms a bond with four chlorine atoms.
lina2011 [118]

Explanation:

The Lewis dot diagram shows how electrons participate in a bond with Carbon and Chlorine. This is shown by the sticks and the 2 paired electrons near the carbon atom which represent the bonds. These electrons form these bonds because they form octets when they are bonded which most molecules and compounds follow

Hoped this helped, 2Trash4U

5 0
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B.

Spring tides occur during a new/full moon. The sun, moon and earth form a straight line during these phases.
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