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Ka_Chin
Questions and answers by visitors named
Ka_Chin
Questions (4)
Dissolving calcium hydroxide (∆Hsoln = -16.2 KJ/mol) in water is an exothermic process. How much lithium hydroxide (∆Hsoln =
4 answers
2,431 views
Nitrogen can also be produced from sodium metal and potassium nitrate by the reaction:
Na(s) +KNO3 (s) --> K2O(s) +Na2O(s) +
2 answers
1,570 views
Hello there, I am a little confused with the results I got after doing this coffee cup calorimetry experiment. If you could
1 answer
434 views
Hey there! I have these two questions for my chemistry class, and I am a little confused on how I should go about solving them.
1 answer
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Answers (1)
Thank you Dr. Bob. This is my work: 15g / 74.093 g Ca(OH)2 = 0.202 16.2 kJ/mol * 0.202 = 3.272 kJ 23.6 kJ/mol * X mol LiOH = 3.272 KJ X mol LiOH = 0.138 0.138 * 23.95 = 3.32 g LiOH
