In what way are cities microclimates?
A. Cities have more precipitation than rural areas do
B. Cities are warmer than the areas immediately around them.
C. Cities have lower atmospheric pressure than rural areas do.
D. Cities are smaller than the areas around them.

One or more substances changing into one or more substances is an example of a

Ethanol (c2h5oh) is produced from the fermentation of sucrose in the presence of enzymes. c12h22o11(aq) + h2o(g) 4 c2h5oh(l) + 4 co2(g) determine the theoretical yield and the percent yields of ethanol if 680. g sucrose undergoes fermentation and 326.5 g ethanol is obtained. theoretical _ g _ percent %

A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?