2 years ago

Explain what domain would best be represented by the "?" in the diagram.

Chemistry

1 answer:

Mice21 [21]2 years ago

7 0

Answer:A

Explanation:

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When weak acids react with strong bases, the H+ from the weak acid is transferred to the:

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It teacts with OH and makes water and salt

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Melissa wants to separate a mixture of many tiny beads that are all the same size. Some of the beads are made from pine wood and

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Answer:

Your answer here is B. Add water and the wooden beads will float.

Explanation:

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How to round the decimal 4.15 to the hundredths place?

gladu [14]

Answer:4.15 is already in the hundreths place so you are good!

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2 years ago

A solution contains one or more of the following ions: Ag , Ca2 , and Co2 . Lithium bromide is added to the solution and no prec

koban [17]

Answer:

$Ca^{2+} and Co^{2+}$

Explanation:

Given:

A solution contains one or more of the following ions such as Ag, $Ca_2$ and $Co_2$

Here the Lithium bromide is added to the solution and no precipitate forms

Solution:

Since with LiBr no precipitation takes place therefore Ag+ is absent

Here on adding $Li_2SO_4$ to it precipitation takes place.

Precipitate is as follows,

$Ca^{2+}(aq)+SO_4^2^-(aq)----->CASO_4(s)$

Thus,

$Ca^2^+$ is present

When $Li_3PO_4$ is added again precipitation takes place.

Therefore the reaction is as follows,

$Co^2^+(aq)+PO_4^3^-(aq)------>Co_3(PO_4)_2(s)$

Therefore,

$Ca^{2+} and Co^{2+}$ are present in the solution

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The light is most intense where it strikes Earth _ directly_______ to its surface.

Explanation:

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