Gold is currently trading at very high price. Suppose that gold is selling for around $1860/ounce. How many milligrams of gold could you buy with one quarter? [

Which formula can be used to calculate the molar mass of hydrogen peroxide

How many neutrons does an element have if its atomic number is 50 and its mass number is 166

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?