As sunlight hits the surface of pond the water heats up and then the water circulates to transfer
heat to other parts of the pond.
Which type of heat transfer is this?
radiation
electromagnetic
conduction
convection

The density of an unknown gas at 98°c and 740 mmhg is 2.50 g/l. what is the molar mass of the gas with work showed?

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.

Name the element in group 17, period 2. (periodic table)