I. CuSO4 + 5H2O ---> CuSO4.5H2O ll. PCl3 + 3H2O---> H3PO4 + 3HCl
The process I & II. are respectively

a)Hydration & dehydration
b) Hydration & Hydrolysis
c) Hydrolysis & Hydrolysis
d Hydration & hydration

This active feature of earth's crust in building mountain ranges as well as islands. this feature is a a) cavern. b) earthquake. c) mountain. d) volcano.

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 element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)