If 100 yards = 1 football field, what is the length, in meters, of 4.9
football fields?

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

Which best describes why nh4+ can form an ionic bond with ci-?

What is the number of atoms in 3.54 mol s