What is the total moles of products if 1.20 x 10 24 molecules of H 2 SO 4 react with excess amount of NaOH?

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.

Several kinds of bears are found on earth. most bears are brown or black, but one type of bear, the polar bear, is white. what process led to this difference in fur color? explain your answer.

The identities of substances are the same before and after which type of change