A student sets a goal to improve academic performance. Which of the following represents a subjective measurement of progress toward that goal? A.
improved grades on individual assignments
B.
higher letter grades at the end of the academic year
C.
a greater sense of accomplishment
D.
remembering facts learned in class

This is a form of winter precipitation. it is frozen precipitation falling as ice pellets. snowflakes melt into raindrops as they pass through a thin layer of warmer air. the raindrops then refreeze into particles of ice when they fall into a layer of sub-freezing air near the surface of the earth. this precipitation is called a) hail. b) rain. c) sleet. d) snow.

According to the second law of thermodynamics, what is true of entropy in all natural systems? a.it will always decrease. b.it will always increase. c.it will always remain the same. d.it is impossible to measure. e.it will always equal zero.

How many moles if mgcl2 are there in 340g of the compound?