Question 3 1 pts
Consider the following reaction:
2 PbO (5) 2 Pb(s) + O2(8)
What is the total volume of Oz produced when 1 mole of Pbo
decomposes at STP?
44.8L
11.2 L
22.4L
05.6L

Which type of substance ionizes partially and gives off hydrogen ions when dissolved in water? a. strong acid b. strong base c. weak acid d. weak base

This drawing shows a human body system. what is the primary function of this body system?

Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering