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Nadusha1986 [10]
3 years ago
11

Both artists and scientists contribute to our understanding of the world around us. Identify the ways that

Chemistry
2 answers:
Alchen [17]3 years ago
4 0

Answer:

A B and D is correct

Explanation:

LUCKY_DIMON [66]3 years ago
3 0

Answer:

I deeply believe that it would be options 1, 2, and 4? Sorry if i'm wrong and good luck!

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select which of the following correctly represents the BALANCED chemical reaction for the production of HCL gas from its element
bagirrra123 [75]

Answer:

Choices 2 and 4

Explanation:

HCL is formed witthe the elements Hydrogen and Chlorine. Whatever is on the left side of the equation must match up with the right side of the equation.

2. H + Cl --> HCl (we have one hydrogen and one chlorine)

4. 2HCl --> H2 + Cl2 (since the two is distributed to both the H and the Cl, H has 2 and Cl has two on the left side AND on the right side of the equation)

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2 years ago
Identify, and briefly explain, two key elements needed for fossilization.<br><br>Please Help Me!!!
Yakvenalex [24]
Body elements and trace fossils I believe
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3 years ago
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1. In an equilibrium experiment, acetic acid (which is a weak acid) is mixed with sodium acetate (a soluble salt), with methyl o
koban [17]

Explanation:

It is known that acetic acid is a weak acid. It's equilibrium of dissociation will be represented as follows.

          CH_{3}COOH(aq) + H_{2}O(l) \rightleftharpoons CH_{3}COO^{-}(aq) + H_{3}O^{+}(aq)

On the other hand, sodium acetate (CH_{3}COONa) is a salt of weak acid, that is, CH_{3}COOH and strong base, that is, NaOH. Therefore, aqueous solution of sodium acetate will be basic in nature.

Since, acetic acid is a weak acid but still it is an acid. So, when methyl orange is added in a solution of acetic acid then it given a reddish-orange color because of its acidity.

When sodium acetate is mixed into this solution then it will dissociate as follows.

            CH_{3}COO^{-}Na^{+}(aq) \rightleftharpoons CH_{3}COO^{-}(aq) + Na^{+}(aq)

As both solutions are liberating acetate ion upon dissociation. Hence, it is the common ion.

So, when more acetate ions will increase from dissociation of sodium acetate the according to Le Chatelier's principle the equilibrium will shift on left side.

As a result, there will be decrease in the concentration of hydronium ions. As a result, there will be increase in the pH of the system.

Hence, color of methyl orange will change from reddish orange to yellow. This shift in equilibrium is due to the common ion which is CH_{3}COO^{-} ion.

4 0
3 years ago
What is the standard deviation of this data set?
Firlakuza [10]
Answer to his question is C
3 0
3 years ago
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Solve for Va<br><br>MaVa=MbVb​
PolarNik [594]

Answer:

Va = (MbVb)/Ma

Explanation:

Divide both sides by Ma and voila!

8 0
3 years ago
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