19. The term, The Mad as a Hatter, began in 19th century Europe because hatmakers used mercury.
Mercury vapor is toxic to Inhale and causes neurological damage. A 170-gram sample of
mercury requires how much heat to move from the liquid to gas phase? (Lvap = 2.95 x 10'J/kg]
a. - (170 ) (4.18 /gºC) (2.95 x 10's/kg)
b. Q - (170 g) + (2.95 x 10°J/kg)
c. Q - (0.17 kg) (2.95 x 10 /kg)
d. - (2.95 x 10" J/kg) + (0.17 kg)

answer: a ball

explanation: because it will bounce

whitney would be experiencing fear or unintentional terror

a high pressure system is a dense air mass that is usually cooler and drier than the surrounding air. a low pressure system is a less dense air mass that is usually wetter and warmer than the surrounding air.

in general, areas that experience high atmospheric pressure also experience fair weather. low pressure systems can cause the formation of clouds and storms. air usually flows from areas of high pressure to areas of low pressure..

it doesn't. it was imagined up in the middle ages.