Pick which of the following statements is most true. A. As a solution is cooled its freezing point is elevated B. As a solution is heated the solid solutes becomes less soluble C. As a solution is heated its boiling point is depressed D. As a solution is heated the solid solutes become more soluble

Identify one disadvantage to each of the following models of electron configuration: -dot structures -arrow and line diagrams -written electron configurations type in your answer below. (answer) -dot structures do not show the distribution of electrons in orbitals and take up a lot of space. -arrow and line diagrams take up a lot of space and make it difficult to count electrons. -written configurations make it easy to lose count of electrons and do not show the distribution of electrons in orbitals.

Aglow stick contains a glass vial with chemicals. when the glow stick is bent, the vial breaks and the chemicals react to produce a glow. a science student observes that a glow stick kept in the freezer glows for a longer duration than a glow stick kept at room temperature. what conclusion can be drawn based on the observation? be sure to note the outcome and test variables in the conclusion.

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o