Four processes are described below: process a: waves in a river lift rocks which crash down to the river bed and break process b: water in the cracks of rocks freezes and breaks open the rocks process c: an organic acid produced by rotting vegetation makes holes in rocks process d: roots of plants push against rocks and make cracks in them which process represents chemical weathering? process a process b process c process d

When svante arrhenius first proposed his acid-base theory, he was a doctoral candidate. his professors thought his ideas were unfounded. within a decade, the arrhenius theory of acid-base was widely accepted and praised within the scientific world. arrhenius defined acids as compounds having ionizable hydrogen and bases as compounds with ionizable a) barium. b) hydronium. c) hydroxide. d) oxygen.

Compare and contrast the bohr model and the electron cloud models of the atom.

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.