Potassium chlorate, kclo3, decomposes when heated to produce potassium chloride and oxygen gas. if 2.50 grams of kclo3 were heated in a test tube, how many grams of oxygen gas should be given off?

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.

Why is the melting of ice a physical change ?