The half reaction of an oxidation-reduction reaction shows that iron gains electrons. What does this electron gain mean for iron?
CA.
It is neutralized,
B.
It is oxidized,
C.
It is reduced.
D.
It has dissolved,
E.
It has precipitated.
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Amass of 100.0 g of solute is dissolved in water so that 850. ml of a 0.7500 m solution has been prepared. what is the molar mass of the solute?

This chart lists four kinds of polymers and their sources. what can be known about all four polymers, despite their differences? they come from living things. they share ionic carbon bonds. they are at least 100 monomers long. they are made of repeating subunits.

Areaction is first order with respect to reactant x and second order with respect to reactant y. which statement describes the rate law for this reaction?