The compounds CH3OCH3 and CH3CH2OH are isomers of each other. These two compounds must have the same (1) density (3) melting poi
2 answers:
Answer: (4) molecular formula
Explanation:-
1. Density of a substance is defined as the mass contained per unit volume.
2. Melting point is the temperature at which solid start changing to liquid phase.
3. Reactivity of an element is defined as the ability to lose or gain electrons.
4. The compounds having similar molecular formula but different arrangement of atoms or groups in space are called isomers.
and
are functional isomers which have same molecular formula but different functional groups namely ether and alcohol respectively.
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Answer:
At equilibrium, reactants predominate.
Explanation:
For every reaction, the equilibrium constant is defined as the ratio between the concentration of products and reactants. Thus, for the reaction N2 (g) + O2 (g) ⇌ 2NO the expression of its equilibrium constant is:
Since the equilibrium constant is Keq = 4.20x10-31 the concentration of reactants O2 and N2 must be much higher than products to obtain such a small number as 4.20x10-31 at the equilibrium. Hence, at equilibrium reactants predominate.