Which of the following describes a heterogeneous mixture?
a) it can be separated by chemical...
Chemistry, 24.01.2020 06:31 kamelyawarren1
Which of the following describes a heterogeneous mixture?
a) it can be separated by chemical means but not by physical means.
b) it cannot be separated by either chemical or physical means.
c) it can be separated by physical means and is uniform in composition.
d) it can be separated by physical means and is not uniform in composition.
Answers: 3
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Predict whether the changes in enthalpy, entropy, and free energy will be positive or negative for the boiling of water, and explain your predictions. how does temperature affect the spontaneity of this process?
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An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.
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