12. 0.36 g of a metal burnt in oxygen yields 0.60 g oxide. The carbonate of the metal contains g 28.57% of the metal. Assuming the validity of the law of definite proportions, determine the weight of the oxide formed by heating 1 g of that carbonate. (0.4769)

Suppose a lab group reports a ppercent yield of sand of 105. is it really possible to collect more sand than was originally represented? what is the possible explanation for the extra product?

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.

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?