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aniked [119]
3 years ago
8

A mixture is made of two or more materials that A. cannot be separated by any means. B. cannot be separated by physical means. C

. can be separated by physical means. D. can only be separated by chemical means.
Chemistry
2 answers:
RoseWind [281]3 years ago
8 0

The answer is C

A mixture is a substance that is made up of two or more materials that can be separated by physical means.

Physical means of separating mixtures include sorting, evaporation, filtration, screening, magnetism, boiling, and chromatography.

jekas [21]3 years ago
5 0

The answer would be option D. can only be seperated by chemical means

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To evaluate R. the volume of a gas measured in the temperature of the gas is measured in<br> while
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Write the complete balanced equation for the neutralization reaction that occurs when aqueous hydroiodic acid, HI, and sodium hy
Serhud [2]

Answer:

H+ ( aq ) + HCO3- ( aq ) ------> H2O( l ) + CO2 ( g )

Explanation:

The complete reaction when hydroiodic acid and sodium hydrogen carbonate combine, would be as follows -

HI + NaHCO3 ----> NaI + H2O + CO2

net reaction

H2CO3 is highly unstable, and thus decomposes into the water and carbon dioxide you see present as the reactants. If you didn't know already, H2CO3 is also reffered to as carbonic acid. The rest of the elements present on the reactant side are Iodine and Sodium, which is why they are present on the product side as NaI.

Let me include the " physical states " in this reaction as well -

HI ( aq ) + NaHCO3 ( aq ) ----> NaI ( aq ) + H2O ( l ) + CO2 ( g )

Now the complete ionic equation would simply be each compound present as ions in an aqueous solution, so there is no need for an explanation on this step -

H+ ( aq ) + I- ( aq ) + Na+ ( aq ) + HCO3- ( aq ) -------> Na+ ( aq ) + I- ( aq ) + H2O( l ) + CO2 ( g )

The spectator ions in this reaction are I- and Na+, so canceling them out, you would receive the following net ionic equation -

H+ ( aq ) + HCO3- ( aq ) ------> H2O( l ) + CO2 ( g )

<u><em>Hope that helps!</em></u>

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Giving brainiest to whoever answers correctly.
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Answer:250

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