In the diagram attached inside, if electrons flow from the right half-cell to the left one through the wire, which of the following statements is true?

a. the metal strip on the right has a lower activity than the one on the left.

b. the activities of both metal strips are equal.

c. the metal strip on the left has a lower activity than the one on the right.

Find the empirical formula of each of the following compounds. given mass or for each element in a sample of the compound 3,611 g ca; 6.389 g c1

Which position represents spring in the southern hemisphere? a) b) c) d)

Match the following vocabulary terms to their definitions. 1. amount of energy required to change 1 gram of material from the solid to the liquid state at its melting point 2. a measure of the kinetic energy of the particles of a substance 3. the amount of heat energy required to raise the temperature of 1 gram of liquid water from 14.5°c to 15.5°c 4. amount of energy required to change 1 gram of material from the liquid to the gaseous state at its boiling point 5. the amount of energy required to change 1 gram of a substance 1°c a. temperature b. latent heat of vaporization c. latent heat of fusion d. calorie e. specific heat