Help I2 is produced by the reaction of 0.4235 mol of CuCl2 according to the following equation: 2CuCl2 + 4KI → 2CuI + 4KCl + I2.
How many molecules of I2 are produced?
What mass of I2 is produced?

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.

In the cathode ray tube experiment, j. j. thomson passed an electric current through different gases inside a cathode ray tube in the presence of an electric field. in which two ways did this experiment change scientists’ understanding of the atom?

What can be found in the ionosphere