Your lab partner has a vacuum sealed container that had a block of ice inside. You place that sealed
container on top of a hot plate, and you heat the
container until the ice melts. Will the container weigh
more, less, or the same after the ice has melted?

Pbco3 –> pbo+ co2. how many liters of carbon dioxide gas is produced from the decomposition of 32 grams of lead (ll) carbonate?

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

What is the solubility of substance?