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Papessa [141]
3 years ago
12

What is unique about obtaining water from an artesian well?

Chemistry
2 answers:
Harrizon [31]3 years ago
8 0
The third explanation is the correct answer.
Sedaia [141]3 years ago
6 0

Answer:

The water is under pressure naturally and no pump is needed.

Explanation:

C

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What do you think the scientific question is for the<br> boiling water experiment
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Scientific Question: ... I will boil water and add a substance like salt to see if the boiling point increases.

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Answer it answer it answer it
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A

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A chemical change is when a new substance is created, which often has its own chemical properties, so A is the correct answer.

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CO2<br> +<br> NaOH<br> &lt;=&gt;<br> NaHCO3<br> Balance
NeTakaya

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Explanation:

It is balaned

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=========

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Read 2 more answers
2. What ions are present in what ratio in a solution of aqueous calcium chloride?
Alenkasestr [34]

Answer:

\mathrm{Ca}^{2+} \text { and } \mathrm{Cl} \text { - ions are present in } 1: 2 \text { ratio in a solution of aqueous calcium chloride. }

Explanation:

Here in Calcium Chloride ionic bond is present in between calcium and chlorine atoms. As we know according to Octet rule calcium have two excess atoms and for matching nearest noble gas electronic configuration. It donate two electrons to gain more stability and form \mathrm{Ca}^{2+}, while chlorine is deficient from one electron to meet nearest noble gas electronic configuration therefore two chlorine atoms accept excess electron from calcium individually and form two\mathrm{Cl}^{-} ions.

\text { Equation is as follows: } \mathrm{Ca}^{2+}+2 \mathrm{Cl}^{-} \rightarrow \mathrm{CaCl}_{2}

Hence aqueous solution of calcium chloride breaks the ionic bond pairing in one \mathrm{Ca}^{2+}and two\mathrm{Cl}^{-}ions: \mathrm{CaCl}_{2} \longrightarrow \mathrm{H}_{2} \mathrm{O} \quad \mathrm{Ca}^{2+}(\mathrm{ag})+2 \mathrm{Cl}(\mathrm{ag})

5 0
3 years ago
4. Suppose you want to deposit silver on an iron spoon using silver nitrate as
Levart [38]

The spoon should be connected to the negative terminal of the battery. The other electrode should be made of silver.

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