Chemistry, 24.10.2020 03:50 vlactawhalm29
Circle any of the following statements are NOT true?
A) The internal energy of a system is the sum of all energy in the system.
B) Heat entering a system is given a positive sign.
C) The internal energy of a system is equal to heat plus work.
D) The internal energy of a system is not a state function.
E) Work being done by the system onto the surroundings is given a positive sign.
Answers: 1
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The first element on the periodic table of elements is carbon. a. true b. false
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Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.
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Chemistry, 22.06.2019 17:30
Energy defines the different "states" of matter. in no more than 3 sentences, describe the amount of kinetic energy that each of the 3 states of matter possesses and relate that to the atom/molecular motion of each "state".
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Chemistry, 23.06.2019 06:30
The polarity of an oxygen-hydrogen bond is higher than the polarity of a nitrogen-hydrogen bond, allowing amines to be more soluble than alcohols.
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Circle any of the following statements are NOT true?
A) The internal energy of a system is the sum...
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