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Zarrin [17]
3 years ago
12

Who is interested in a middle schooler?

Chemistry
1 answer:
belka [17]3 years ago
6 0

Answer:

I think that middle school teachers are interested in teaching middle schoolers.

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HELP PLEASE ILL MARK BRAINLIEST WITH ALL!
andreev551 [17]

Answer:

2) coefficient = 1

    Subcript for V = 2

    Subscript for O = 5

3) coefficient = 4

   subscript for K = 2

   subscript for C = 1

   subsrcipt for O = 3

4) coefficient = 1

   subscript for Na = 1

   subscript for C = 2

   subscript for H = 3

   subscript for O = 2

Explanation:

hope this helped

4 0
3 years ago
If the [H+] = 0.01 M, what is the pH of the solution, and is the solution a strong acid, weak acid, strong base, or weak base?
lana66690 [7]

Answer:

2, strong acid

Explanation:

Data obtained from the question. This includes:

[H+] = 0.01 M

pH =?

pH of a solution can be obtained by using the following formula:

pH = –Log [H+]

pH = –Log 0.01

pH = 2

The pH of a solution ranging between 0 and 6 is declared to be an acid solution. The smaller the pH value, the stronger the acid.

Since the pH of the above solution is 2, it means the solution is a strong acid.

5 0
3 years ago
For the reaction of hydrogen with iodine
fenix001 [56]

Answer:

r_{H_2} = \frac{-1}{2} r_{HI}

Explanation:

Hello!

In this case, considering the given chemical reaction:

H_2(g) + I_2(g) \rightarrow 2HI(g)

Thus, by applying the law of rate proportions, we can write:

\frac{1}{-1} r_{H_2} = \frac{1}{-1}r_{i_2} = \frac{1}{2} r_{HI}

Whereas the stoichiometric coefficients of reactants are negative due their disappearance and that of the product is positive due to its appearance. In such a way, when we relate the rate of disappearance of hydrogen gas to the rate of formation of hydrogen iodide, we obtain:

r_{H_2} = \frac{-1}{2} r_{HI}

Best regards!

8 0
3 years ago
Which best describes the structure of 2-butene
lyudmila [28]
The 2 represents that it is a double carbon bond
it looks like..
C-C = C-C
6 0
4 years ago
Read 2 more answers
Preserved remains have turned to what?
Softa [21]

It depends on what the remains are. If you are looking for a word, it could either be fossils or if it is something that has preserved the soft tissue it can be described as mummified.
3 0
3 years ago
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