What is true of a molecule?
a. all molecules of a compound have one type of atom.
b....
Chemistry, 13.11.2019 05:31 angelinagiraffp538zb
What is true of a molecule?
a. all molecules of a compound have one type of atom.
b. each atom of a molecule is the same.
c. each molecule of a compound has different properties.
d. all molecules of a compound have the same properties.
Answers: 2
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Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false
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Which of the following is most likely true about water in chemical solutions?
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There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. in the first step, calcium carbide and water react to form acetylene and calcium hydroxide: cac2 (s) + 2h2o (g) → c2h2 (g) + caoh2 (s) =δh−414.kj in the second step, acetylene, carbon dioxide and water react to form acrylic acid: 6c2h2 (g) + 3co2 (g) + 4h2o (g) → 5ch2chco2h (g) =δh132.kj calculate the net change in enthalpy for the formation of one mole of acrylic acid from calcium carbide, water and carbon dioxide from these reactions. round your answer to the nearest kj .
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