Sound is a form of energy is incorrect
Sound is caused by the movement or vibration of matter
<span>Lead is most commonly used for protecting people from radioactive substances. </span>
Answer:
The correct answer is: <em>The addition of water will change the concentration of the substances in equilibrium.</em>
Explanation:
For chemical reactions, the equilibrium constant is defined as the ratio between the concentration of products and reactants. In this expression pure substances should not be written, like pure liquids and gases. Since water is a pure liquid should not appear in the equilibrium. However, water is the solvent of all the solutes or substances in the reaction, thus the addition of water will make all the substances to be diluted. Also, because of the Le Châtelier principle the equilibrium should be re-establish and the concentrations whitten in the equilibrium constant should change too.
In some plants such as Cactuses, the stem is flattened and green and carries out the function of the leaf. Such a stem, adapted for the manufacture of food is called phylloclade. The leaves here are reduced or modified into spines to lessen the transpiring surface.
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