Atechnician experimentally determined the boiling point of octane to be 124.1°c. the actual boiling point of octane is 125.7°c. calculate the error and the percent error.

Which of the following observations indicates that there is a small, dense, positively charged part in the center of an atom? some uncharged particles are scattered by a gold foil. all uncharged particles are attracted towards a gold foil. all positively charged particles pass straight through a gold foil. some positively charged particles bounce back from a gold foil.

Under normal conditions, describe how increasing the temperatures effects the solubility of a typical salt

How many moles of oxygen gas are produced from the decomposition of six moles of potassium