Which is an example of making a qualitative observation? 1measuring the speed of the chemical reaction2describing how copper changes color in chlorine3recording how long it takes to burn magnesium4showing the results of an experiment with a graph

Diamond, graphite, and fullerenes share what property? a. they are all made of carbon (c) bonded to a metal. b. their shape. c. they are all made of carbon (c). d. they are all good conductors.

Imagine that you own a property that is exactly 2.2 acres large. you want to sell your property, but your realtor tells you that you cannot sell your land by the acre. in order to sell your land you need to determine the area you own in units of square meters? given that there are 1.6 kilometers in 1 mile and 640 acres in 1 square mile, what is the area of land that you own in square meters square meters?

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump