P-SELL Big Idea 9 Assessment: 1. Which of the following is an example of a material undergoing a chemical change? a . b. d. Gold is melted and new jewelry is created. Water boils and turns into vapor. A bicycle is left out in the rain and turns to rust. Water is put in a freezer and turns into ice.

Why is silver chloride is an ionic compound

8. what happens to matter during a chemical reaction

Liquid from a brewery fermentation contains 10% ethanol and 90% water. part of the fermentation product (50,000 kg/h) is pumped to a distillation column on the factory site. under current operating conditions, a distillate of 45% ethanol and 55% water is produced from the top of the column at a rate of one-tenth that of the feed. what is the composition of the waste "bottoms" from the still?