Which of the following concentration units will not change if the solution is heated?
A) %(w/w)
B) %(w/v)
C) both . and b
D) neither a nor b
A
You might also like to view...
At which of the following locations are the days and nights of equal length all year long?
A. at latitude 66.5° B. at latitude 23.5° C. at the equator D. at latitude 44.5°
Read the following paragraph to answer the question:The Mt. St. Helens eruption in Washington state in 1980 measured 5 on the volcanic explosivity index (VEI). Only 57 people died from the Mt. St. Helens since most people were warned to evacuate the area prior to the event. Four years later, in 1985, Nevado del Ruiz in Colombia erupted. While only measuring 3 on the VEI, the eruption resulted in 25,000 deaths when unsuspecting residents of local towns were overrun by fast-moving lahars.Which of the following statements about volcano-related deaths best fit the information given in the paragraph?
A. Volcanic eruptions often kill thousands of people. B. The death toll from volcanic eruptions do not always correlate to explosivity, and can be affected by human actions before and after the eruption. C. The death toll from a volcanic eruption is directly related to its volcanic explosivity index (VEI). D. Most volcano-related deaths occur from lahars.
The Industrial Revolution began in
A) the late 1500s. B) the late 1600s. C) the late 1700s. D) the late 1800s. E) the late 1900s.
Under the influence of gravity a glacier moves down valley and eventually ________.
A. accumulates B. ablates C. flows back toward its source area D. evaporates E. goes underground