Chemistry, 10.05.2021 06:50 Nathaliasmiles
1. In your own words, differentiate absorption, reflection, refraction.
2. Compare/Contrast Sound Waves and Light Waves.
FOR 20 POINTS
Answers: 1
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According to le chatelier’s principle, a system in chemical equilibrium responds to stress by shifting the equilibrium in a direction that reduces the stress. normalizes the stress. increases the stress. changes the stress.
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Calculate the ph at the equivalence point for the titration of a solution containing 150.0 mg of ethylamine (c2h5nh2) with 0.1000 m hcl solution. the volume of the solution at the equivalence point is 250.0 ml. kb forethylamine is 4.7 × 10−4 .
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Two solids are mixed in a flask and stirred. after a few minutes, the flask becomes cold. which of the following best describes this reaction? a. an exothermic reaction b. a combustion reaction c. an endothermic reaction d. a decomposition reaction
Answers: 1
1. In your own words, differentiate absorption, reflection, refraction.
2. Compare/Contrast Sound...
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