Which one of the following compounds is insoluble in water? a) Na2CO3

b) K2SO4

c) Fe(NO3)3

d) ZnS

This is the star at the center of the solar system around which the earth and other matter orbit

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 %

Which metal exist in liquid state and can be cut with knife ?