Chemistry, 16.09.2019 18:30 rbrummitt8029
You want to design an experiment to compare the effectiveness of pepcid ac tablets and alka-seltzer tablets. which of the following facts would be least likely to complicate your experiment and the analysis of your results? a) pepcid ac and alka-seltzer tablets contain different concentrations of the antacid drug. b) pepcid ac and alka-seltzer tablets contain different ingredients. c) the recommended dosage for pepcid ac and alka-seltzer tablets is different. d) pepcid ac and alka-seltzer tablets are sold in different countries throughout the world.
Answers: 3
Chemistry, 22.06.2019 12:50
What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate
Answers: 1
Chemistry, 22.06.2019 19:30
Chlorine and water react to form hydrogen chloride and oxygen, like this: 2cl2 (g) + 2h2o (g) → 4hcl (g) + o2 (g) also, a chemist finds that at a certain temperature the equilibrium mixture of chlorine, water, hydrogen chloride, and oxygen has the following composition: compound concentration at equilibrium cl2 0.55m h2o 0.57m hcl 0.53m o2 0.34m calculate the value of the equilibrium constant kc for this reaction. round your answer to 2 significant digits.
Answers: 2
Chemistry, 23.06.2019 00:00
How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?
Answers: 3
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