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Does Hydroiodic Acid form ions in water, and what ions does it form?
a 100-rm w lightbulb is placed in a cylinder equipped with a moveable piston. the lightbulb is turned on for
"Dry ice" is then placed inside the bottle and the bottle is sealed immediately. If the bottle can withstand a maximum pressure of 500kPa, what is the minimum amount of dry ice, in grams, required to make the bottle explode at 25C?
Part A: Barium sulfate, BaSO4, is used in medical imaging of the gastrointestinal tract because it is opaque to X rays. A barium sulfate solution, sometimes called a cocktail, is ingested by the patient, whose stomach and intestines can then be vi..
The cell potential of the following electrochemical cell depends on the pH of the solution in the anode half-cell:Pt(s)|H2(g,1atm)|H+(aq,?M)||Cu2+(aq,1.0M)|Cu(s). What is the pH of the solution if Ecell is 350mV
Calculate ?H° for each of the following reactions using the data in Appendix 4: 4Na(s)+O2(g) ? 2Na2O(s) 2Na(s)+H20(l) ? 2NaOH(aq)+H2(g) 2Na(s)+CO2(g) ? Na2O(s)+CO(g) Explain why a water or carbon dioxide fire extinguisher may not be effective inpu..
If it requires 41.95 mL of 0.0205 M KMnO4 to titrate a solution made with 0.6128 g of iron ore, what percentage of the ore was iron
What is the final temperature (in oC) of a 41.6 g sample of iron (specific heat = 0.444 J/(g K)) which evolves (-12.18) J of heat when it cools from 91.4oC
Draw the best Lewis structure of CO32-. In this compound, the C atom is attached to three O atoms, and there are no O-O bonds
In the Anfinsen experiment refolding of RNase subsequent its denaturation with urea and beta-mercaptoethanol resulted in fully functional enzyme. conversely, denatured proteins do not always restart proper folding in vitro. Provide a possible scen..
Calculate the pH at the equivalence point for the titration of a solution containing 1250.0 mg of hilariamine (MW = 104.75 g/mol, Kb = 7.1×10-4) with 0.1000MHCl solution.
Explain will the concentration of the sodium hydroxide be significantly changed during the course of the reaction while doing the activation energy experiment
During a recrystallization a student takes 1g of a white (colorless) solid and adds 5 mL of acetone. He heats the mixture in a boiling water bath and adds another
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