Tom Brady hands it off to his running back on the 10th yard line. The running back runs 90 yards to the end zone to score a touchdown in 9 seconds. What is the running back's speed?

What is a metal replacement reaction

Astudent completes a titration by adding 12.0 milliliters of naoh(aq) of unknown concentration to 16.0 milliliters of 0.15 m hcl(aq). what is the molar concentration of the naoh(aq)? 1)5.0 m 2)0.20 m 3)0.11 m 4)1.1 m

What is a substance? a. a physical property of matter b. a chemical property of matter c. an element or compound that cannot be physically separated d. characteristics used to tell the difference between mixtures