A large piece of jewelry has a mass of 132.6 g. A graduated cylinder initially contains 48.6 mL of water. When the jewelry is submerged in the graduated cylinder, the total volume increases to 61.2 mL.(a) Determine the density of this piece of jewelry (in g/mL).(b) Assuming the jewelry is made of only one substance, what substance is it likely to be (Refer to Table 1.1.3 in the previous section). Explain your answer.

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?