please help with this 1) Sally Leadfoot was pulled over on her way from Syracuse to Ithaca by an officer claiming she was speeding.  The speed limit is 65 mi/hr and Sally had traveled 97 km in 102 minutes.  How fast was Sally’s average speed?  Does she deserve a ticket?   question2) b) One sphere has a radius of 5.10 cm; another has a radius of 5.00 cm. What is the difference in volume (in cubic centimeters) between the two spheres? Give the answer to the correct number of significant figures.  The volume of a sphere is (4/3)πr3, where   π = 3.1416 and r is the radius.

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Q: 248

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Q: 3.03 L x ?/? = ? gal

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.