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Paha777 [63]
3 years ago
11

Write a molecular equation for the gas-evolution reaction that occurs when you mix aqueous hydroiodic acid and aqueous sodium su

lfite
Chemistry
1 answer:
Andrew [12]3 years ago
4 0
To w<span>rite a molecular equation for the gas-evolution reaction that occurs when you mix aqueous hydroiodic acid and aqueous sodium sulfite, please see below:

</span><span>2HCl + Na2SO3 => 2NaCl + H2O + SO3(g)
</span>
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
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Please Help!!!<br> Match the term to its definition
Bingel [31]

Answer:

Tides: the rise and fall of sea levels due to gravitational forces

Tidal bulges: two ocean bulges created on opposite sides of the earth due to the moons gravitational pull and the oceans resistance

Spring tide: tides where there is the greatest difference between high and low tide

Neap tide: tides where there is the least difference between high and low tide

3 0
3 years ago
Read 2 more answers
Evaluate the exponential expression (−2)6.
Olegator [25]

A general exponential expression is something like:

A^n

This means that we need to multiply the number A by itself n times.

Using that we will get (-2)^6 = 64

With that definition, we can rewrite:

(-2)^6 = (-2)*(-2)*(-2)*(-2)*(-2)*(-2)

So we just need to solve the above expression.

Also, remember the rule of signs:

(-)*(-) = (+)

We will get:

(-2)*(-2)*(-2)*(-2)*(-2)*(-2) =  [(-2)*(-2)]*[(-2)*(-2)]*[(-2)*(-2)]

                                        =  4*4*4 = 16*4 = 64

Then we got:

(-2)^6 = 64

If you want to learn more, you can read:

brainly.com/question/17172630

6 0
3 years ago
Which describes an atom with an atomic number of nine
jonny [76]

Answer:

Fluorine

Explanation:

fluorine is the element in question, as its atomic number is 9

4 0
3 years ago
How many subatomic particles are in the NUCLEUS of a neutral atom of Beryllium?
ser-zykov [4K]

Answer:

13

Explanation:

There are 4 protons, 5 neutrons, and 4 electrons. This is a neutral beryllium atom.

6 0
3 years ago
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Suppose the concentration of the standard stock solution is 50.04 ppm and that you delivered 4.60 mL of this standard stock solu
12345 [234]

Answer:

9.21 ppm

Explanation:

Considering

concentration_{working\ solution}\times Volume_{working\ solution}=concentration_{stock\ solution}\times Volume_{stock\ solution}

Given  that:

concentration_{working\ solution}=?

Volume_{working\ solution}=25.00mL

Volume_{stock\ solution}=4.60mL

concentration_{stock\ solution}=50.04 ppm

So,  

concentration_{working\ solution}\times 25.00mL=50.04 ppm\times 4.60mL

concentration_{working\ solution}=\frac{50.04\times 4.60}{25.00}\ ppm=9.21\ ppm

4 0
3 years ago
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