2ki + pb(no3)2 → 2kno3 + pbi2 determine how many grams of ki are required to produce 1.2g of pbi2.

If a planet rotates 360 degrees during a 24 hour time period, what does that tell us about the planet? a. the middle of the planet is in darkness b. the seasons on the planet vary every day. c. the planet runs on a 12-hour time clock. d. the temperature on the planet varies daily.

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

Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?