Chemistry, 06.05.2020 07:35, kriderdavid
Which of the following statements is/are TRUE concerning the "mole"?
(a) One mole of a substance contains as many particles as exactly 12 amu of
carbon-12.
(b) One mole of a substance contains 6.022 x 1023 particles of that substance.
(c) There are 6.022 x 1023 carbon atoms in 12.00 g of carbon-12.
(d) Because it is heavier, a mole of iodine atoms contains more atoms than a
mole of bromine atoms.
Answers: 1
Chemistry, 21.06.2019 22:30, bartfrank447
Joseph has hypothesized that sound travels in waves. if he were following the scientific method, what should he do next? a. ask a question. b. test the hypothesis. c. study the results. d. tell other scientists about his hypothesis.
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Chemistry, 22.06.2019 18:20, juansebas35
Which reason best explains why metals are malleable? a)because they have delocalized electrons b)because they have localized electrons c)because they have ionic bonds d)because they have rigid bonds
Answers: 2
Chemistry, 23.06.2019 01:00, breemills9552
What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds
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Which of the following statements is/are TRUE concerning the "mole"?
(a) One mole of a s...
(a) One mole of a s...
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