The following measurements were made to determine the density of a material whose value was, according to the handbook of Chemistry and Physics, 1.15 g/mL
I
Trial #1
0.95 g/mL
Trial #2 1.16 g/mL
Trial #3 1.26 g/mL
Qu
Ed
20. make a general comment on the accuracy of these results
21. make a general comment on the precision of these results
22. use the average of the three trials as the measured value" and determine the numerical
value for the percent error.

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.

If anyone would be able to me out with these three questions it would be these are from the chem 2202 course.

Juju.01) 5 geologic events a group of students designed an experiment in an ice rink to represent the solar system. the steps of the experiment are listed below. 5: geologic events 1. choose a student to represent the sun. the planets are represented by two tennis balls. 2. ask the student to hold the tennis balls in each palm and spin on the ice with arms stretched out. 3. ask the student to draw in the arms after about 10 spins. 4. observe the student's arms rotate faster when they are closer to the body. 05 geologic events enors) the experiment most likely demonstrates that (2 points) 07 discussion-based sessment/module planets exert gravitational force on the sun the sun exerts gravitational force on the planets 3.07 discussion-based ssessment speed of a planet depends on its distance from the sun new version available! (3.0.119) get it now submit 18.07: module exam description