SAT, 30.09.2021 22:00 sporting06
a student has samples of two pure compounds, xclo3 and zclo3, which contain unknown alkali metals x and z. the student measures the mass of each sample and then strongly heats the samples to drive off all the oxygen, leaving solid residues of xcl and zcl. the student measures the mass of the solid residue from each sample. which of the following questions can be answered from the results of the experiment?
Answers: 3
SAT, 25.06.2019 12:00
Jim has found that he must consume 2,300 calories a day to reach his health goals, but he doesn't want to give up his afternoon snack of pretzels. unfortunately, he tends to eat the entire bag β which amounts to 1,300 calories! what strategy should jim use to improve his habits?
Answers: 1
a student has samples of two pure compounds, xclo3 and zclo3, which contain unknown alkali metals x...
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