Chemistry, 02.07.2020 22:01, riaahroo2378
An oxygen atom has a mass of and a glass of water has a mass of . Use this information to answer the question below. Be sure your answers have the correct number of significant digits. How many moles of oxygen atoms have a mass equal to the mass of a glass of water
Answers: 3
Chemistry, 22.06.2019 08:30, waterborn7152
Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol
Answers: 2
Chemistry, 23.06.2019 03:00, mullerma
Air pressure is measured in pascals. for a professional american football game, the ball should be inflated to about 90,000 pascals. scientists studied the effects of air temperature on the pressure inside american footballs by taking these steps: 1. prepare 100 footballs. 2. measure each football's air pressure. 3. divide footballs into 10 groups. 4. place the groups in different lockers cooled to different air temperatures. 5. after 12 hours, remove the footballs from lockers. 6. measure each football's pressure again. 7. compare the new pressures to the starting pressures. what two terms best describe the variable "air pressure inside the football" in this experiment? independent, qualitative independent, quantitative dependent, qualitative dependent, quantitative
Answers: 3
An oxygen atom has a mass of and a glass of water has a mass of . Use this information to answer the...
English, 24.07.2020 23:01