The relationships among which variable quantities are expressed by the ideal gas law equation? 1. pressure, volume, number of moles, mass

2. pressure, volume, temperature, number of moles

3. pressure, volume, temperature, molar mass

4. volume, temperature, number of moles, gas constant

Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water

Observation and experimentation have led many scientists to accept a theory about the origin of the universe. this theory is called the big bang theory. scientific evidence collected and observed by scientists around the world suggests that the universe is ever expanding from a hot and dense initial state. what makes this a scientific theory? (2 points)

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.