Calculate the amount of work done against an atmospheric pressure of 1.00 atm when 500.0 g of zinc dissolves in excess acid at 30.0°C. Zn(s) + 2H+(aq) → Zn2+(aq) + H2(g)

Possible answers:

A. w = +24.9kJ
B. w = -2.52kJ
C. w = 0
D. w = -19.3kJ
E. w = +22.4kJ

Stereotypes can influence the way we think about a specific group of people. this is especially common in racial and ethnic group, but it is not reserved specifically for those groups. stereotypes can also apply to school groups, cliques, and neighborhoods. a stereotype is similar to which of the following terms: a)feature detectors b)texture gradient c)perceptual set d)stereogram e)relative clarity

The sociological perspective focuses on what? a. general social patterns b. individual behaviors c. biological explanations d. mental processes

Which of the following is a unit of volume measure?                 a.  bunch      b.  tablespoon      c.  gram      d.  dozen