Achemist in a galaxy far, far away performed the millikan oil drop experiment and got the following results f? 1.64 10-12 zirkombs 4.92 10-12 zirkombs use these data to calculate the probable charge of the electron in zirkombs.

Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?

When the mercury level in a barometer decreases that atmospheric pressure has