What did ernest rutherford’s gold foil experiment demonstrate about atoms? their positive charge is located in a small region that is called the nucleus. their negative charge is located in small particles that are called electrons. their nucleus makes up the majority of the volume of the atom. their electrons are floating in a sea of positive charges.

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

How many liters of 3.0 m naoh solution will react with 0.60 liters of 4.0 m h2so4? h2so4 + naoh → na2so4 + h2o 1.2 l 1.6 l 2.4 l 2.8 l

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?