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3 years ago

What units can NOT be derived from a balanced chemical equation-

Chemistry

1 answer:

elena-14-01-66 [18.8K]3 years ago

7 0

Answer:

D) Volume of gas

E) Temperature

Explanation:

A balanced chemical equation can provide the following information :

The reactants and products through their symbols and formulae. The ratio of molecules of reactants and products. As molecular masses are expressed in unified mass (u), the relative masses of reactants and products are known from the equation.

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Balance the following half-reaction: (acidic) VO2+(aq) → V3+(aq) Express your answer as a half-reaction. Identify all of the pha

ivolga24 [154]

Answer:

The balanced half reaction in an acidic medium is :

$VO^{2+}(aq)+2H^+(aq)+e^-\rightarrow V^{3+}(aq)+H_2O(l)$

Explanation:

$VO^{2+}(aq)\rightarrow V^{3+}(aq)$

While balancing the half-reaction in an acidic medium, we will first balance oxygen atoms by adding water:

1) Adding 1 water molecule on product side to balance oxygen atoms.

$VO^{2+}(aq)\rightarrow V^{3+}(aq)+H_2O(l)$

Now balance hydrogen atom by adding $H^+ ions$ .

2) Adding 2 hydrogen ions on reactant side to balance hydrogen atoms.

$VO^{2+}(aq)+2H^+(aq)\rightarrow V^{3+}(aq)+H_2O(l)$

Now balance the charge adding electrons on the side where positive charge is mor.

3) Adding 1 electrons on reactant side to balance charge of the overall reaction:

$VO^{2+}(aq)+2H^+(aq)+e^-\rightarrow V^{3+}(aq)+H_2O(l)$

The balanced half reaction in an acidic medium is :

$VO^{2+}(aq)+2H^+(aq)+e^-\rightarrow V^{3+}(aq)+H_2O(l)$

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3 years ago

Why don’t the common ions in humans (na+, k+, cl-, etc.) cluster together in cells?

mariarad [96]

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D.
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