In the following list, only is not an example of a chemical reaction

Chemistry

1 answer:

Sladkaya [172]2 years ago

4 0

There is no pictu-res...sss

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In the chemical reaction below, calcium (Ca) and water (H2O) react to form calcium hydroxide (Ca(OH)2) and hydrogen gas (H2).

shtirl [24]

C
because the mass never changes, it is always equal on both sides.

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3 years ago

Which set of elements have the most similar chemical properties?

EleoNora [17]

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3 years ago

Write the net cell equation for this electrochemical cell. Phases are optional. Do not include the concentrations. Co ( s ) ∣ ∣

Tatiana [17]

Answer: The overall equation will be $Co(s)+2Ag^+(aq)\rightarrow Co^{2+}(aq)+Ag(s)$

Explanation:

The representation is given by writing the anode on left hand side followed by its ion with its molar concentration. It is followed by a salt bridge. Then the cathodic ion with its molar concentration is written and then the cathode.

Oxidation reaction is defined as the reaction in which a substance looses its electrons. The oxidation state of the substance increases.

Anode : $Co(s)\rightarrow Co^{2+}(aq)+2e^{-}$

Reduction reaction is defined as the reaction in which a substance gains electrons. The oxidation state of the substance gets reduced.

Cathode : $Ag^+(aq)+e^{-1}\rightarrow Ag(s)$ $\times 2$

The number of electrons lost must be equal to the number of electrons gained , thus overall equation will be :

$Co(s)+2Ag^+(aq)\rightarrow Co^{2+}(aq)+Ag(s)$

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The carbon cycle is the exchange of carbon between the lands, the oceans the atmosphere and the earth's interior

Luba_88 [7]

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The folded mountains in this model form at what type of plate boundary?<br> PLEASE HELP FAST

jeyben [28]

The type of plate boundary is Convergent plate boundry.

<u>Explanation:</u>

Fold mountains mainly formed by the results of overlapping on layers in the top part of the crust. These mountains create while two tectonic plates push towards one another. When two opposed plates are shoving within each other is called Convergent plate boundry.

The drifting plates and continents get collided and the gathered rock layers will fall and fold, similar to a tablecloth pushed across the table. Since the crust has collided and the new crust formed by the rocks. The formed mountains are normally bigger in its length and shorter in breadth.

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3 years ago