Regarding acids, bases, and pH, which of these statements is true? Choose one: A. Substances that release protons when they dissolve in water are termed acids and result in a pH lower than 7. B. Substances that release protons when they dissolve in water are termed bases and result in a pH lower than 7. C. Substances that release protons when they dissolve in water are termed bases and result in a pH higher than 7. D. Substances that release protons when they dissolve in water are termed acids and result in a pH higher than 7.

Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.

Which of the following statements concerning the influence of culture on ethnic identity formation is accurate? a. one will reject ethnic identity if cultural stereotypes are encountered. b. if one’s ethnic city is different from the dominant cultural group, then one’s ethnic identity you will become weekend. c. if an the ethnic group is excepted by dominant culture, then ethnic identity formation can be a difficult process. d. similarity to the dominant culture can determine how easy it is for one to except ethnic differences.

What is the mass defect of a mole of nuclei with 1.8 x 10^15 j/mol binding energy?