Given the following equation: 2KCIO, — 2 KCl + 30. How many grams of O, (ch31.998g mol) can be produced by reacting 130 grams of KCIO, (102.55g/mol)? Answer with 2 Significant figures. Mass A Rario B x Molar Mass B = Muss B Molar Mass A Rario A

Water's surface tension and heat storage capacity are accounted for by its a) orbitals b) weight c) hydrogen bonds d) mass e) size

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.

Arectangle has a diagonal 20 inches long that forms angles of 60 and 30 with the sides. find the perimeter of the rectangle. for geometry