Chemistry, 28.01.2021 20:40 derbraz6770
Which of the following statements about matter is false?
a.) Atoms are the smallest units of matter that maintain their chemical identity.
b.) Heterogeneous mixtures are not uniform throughout.
c.) Homogeneous mixtures cannot be separated by physical means.
d.) A compound is a pure substance composed of two or more chemically bonded ator
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Butadiene undergoes a reaction at a certain temperature in the gas phase as follows: 2c4h6(g) --> c8h12(g) the following data were collected for this reaction: time (min) [c4h6] (m) 0 0.36 15 0.30 30 0.25 48 0.19 75 0. determine the order of the reaction and the rate constant. 1st order and k = 4.3x10 -4 s-1 1st order and k = 2.3x10-4 s-1 2nd order and k = 4.3x10-4 s-1 2nd order and k = 2.3x10-4 s-1 zero and k = 4.3x10-4 s-1
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For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition
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Which of the following statements about matter is false?
a.) Atoms are the smallest units of matter...
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