In an experiment, 2.0 g of solid sodium bicarbonate ( NaHCO3) waz tested for solubility. At
20°C and stirring, NaHCO3 took 60 minutes to dissolve. At 20°C and no stirring, NaHCO3 took
90 minutes to dissolve. Why is stirring a factor in the dissolving of the NaHCO3?
Answers: 3
Chemistry, 22.06.2019 04:30
Using the periodic table, complete the table to describe each atom. type in your answers
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Element j is 1s 2s 2p 3s . (i) how many unpaired electrons does j have? (ii) is j a good oxidizing agent or a reducing agent? (iii) state reason for the answer.
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Chemistry, 23.06.2019 01:00
If a sample of radioactive isotopes takes 600 minutes to decay from 400 grams to 50 grams, what is the half-life of the isotope?
Answers: 1
Chemistry, 23.06.2019 07:00
Introduction of drugs into the gastrointestinal tract is a form of administration. a. enteral b. topical c. parenteral d. inhalation
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In an experiment, 2.0 g of solid sodium bicarbonate ( NaHCO3) waz tested for solubility. At
20°C a...
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