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Chemistry, 09.07.2019 00:00 vanessagallegos7445
If you took an empty balloon, weight it on a scale then filled the balloon up with air and weighed it again would you expect the weight of the balloon to change?
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Chemistry, 23.06.2019 07:00, jboii11
An unknown substance is a white solid at room temperature and has a melting point of 78 °c. which of the following substances is most likely to be the identity of the unknown sample? a. naphthalene, a molecular solid with the formula c10h8 b. silica, a network solid held together by covalent bonds with the formula sio2 c. calcium chloride, an ionic compound with the formula cacl2 d. water, an molecular compound with the formula h2o
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