Chemistry, 28.11.2019 04:31 christson805
For which process is δs negative? group of answer choices a. grinding a large crystal of kcl to powder b. raising the temperature of 100 g cu from 275 k to 295 k c. compressing 1 mol ne at constant temperature from 1.5 l to 0.5 d. mixing 5 ml ethanol with 25 ml water e. evaporation of 1 mol of ccl4(l)
Answers: 1
Chemistry, 22.06.2019 07:40, sadcase85
22. a flask containing 450 ml of 0.50 m h2so4 was accidentally knocked to the floor. how many grams of nahco, do you need to put on the spill to neutralize the acid according to the following equation: h2so4(aq)+2 nahcos(aq) na, so(aq) +2 h20()+2 co2(g) d) 38 g a) 2.3 g b) 9.5 g c) 19 g
Answers: 1
Chemistry, 22.06.2019 12:00, angtrevv
In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?
Answers: 1
Chemistry, 22.06.2019 19:50, jakaylathomas11
A2.5% (by mass) solution concentration signifies that there is a 2.5 % (by mass) solution concentration signifies that there is blank of solute in every 100 g of solution. of solute in every 100 g of solution
Answers: 3
For which process is δs negative? group of answer choices a. grinding a large crystal of kcl to pow...
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