A reaction occurs when lead(IV) oxide is heated. State the observation and write a balanced equation for the reaction. Briefly explain why silicon(IV)
oxide does not produce a similar reaction.

Calculate the mass of silver needed to react with chlorine to produce 126g if silver chloride?

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

Which of the following is an indication that a substance has undergone a chemical change? a. no new product has been formed. b. the color of the substance has not changed. c. the original constitute has not changed. d. the molecular structure has changed.