What does the term "compound" mean? two or more substances dispersed in one another but each retaining their own identity. two o
2 answers:
Answer: Option (b) is the correct answer.
Explanation:
When two or more different atoms are bonded together either by sharing or donating electrons then it results in the formation of a new product which exhibit different properties as compared to its parent atoms. This new product is known as compound.
For example,
Therefore, will have different properties as compared to sodium and carbonate ions.
Thus, we can conclude that the term "compound" mean two or more elements joined together such that the elements have lost their individual identity in favor of a new set of properties.
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Answer: a. The concentrations of the reactants and products have reached constant values
Explanation:
The reactions which do not go on completion and in which the reactant forms product and the products goes back to the reactants simultaneously are known as equilibrium reactions. For a chemical equilibrium reaction, equilibrium state is achieved when the rate of forward reaction becomes equal to rate of the backward reaction.
Equilibrium state is the state when reactants and products are present but the concentrations does not change with time and are constant.
Equilibrium constant is defined as the ratio of concentration of products to the concentration of reactants each raised to the power their stoichiometric ratios. It is expressed as
K is the constant of a certain reaction when it is in equilibrium, while Q is the quotient of activities of products and reactants at any stage other than equilibrium of a reaction.
For a equilibrium reaction,
Thus the correct answer is the concentrations of the reactants and products have reached constant values.