An atom of tin ({\rm Sn}) has a diameter of about 2.8\times10^{-8}\;{\rm cm}.
How many {\rm Sn} atoms would have to be placed side by side to span a distance of 7.0\mu m ?
I want to accurately finished solution with precise octane values. What are the equations required to accomplish this task. For example, 1 solvent is 155 octane the other, 94. I want to finish off with 116 octane in a 205 quantity.
2.0mole of gas occupy an adjustable container with a volume of 45L at aparticular temperature pressure.if 0.5 mole of gas leake out what volume will occupy if tp do no change?