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Briefly explain in terms of structure, basicity, and solubility why Novocain® is usually administered by injection whereas benzocaine is typically used in salves.
Calculate the force of attraction between a cation with a valence of +2 and an anion with a valence of -2, the centers
For TiCl4, delta H (not) is 54.3 kJ/mol and delta S (not) is 133 J/mol*K what is the boiling point of TiCl4 in degrees C
an evacuated empty 276 ml glass bulb weighs 129.6375 g. filled with an unknown gas the bulb weighs 130.0318 g.
Suppose a 5-volt battery is delivering a steady current of 5 A for a period of 4 hours. Calculate the total charge in coulombs that passes through this circuit.
From the following list of aqueous solutions and water, select the one with the highest boiling point.
How many grams of .49% wt% aqueous HF are required to provide a 25% excess to react with 25 mL of .023 M Th^4+ by the reaction Th^4+ + 4F^- --> ThF4
In an acid base titration a 25mL portion of a solution containing sulfuric acid (H2SO4) was titrated with a 0.200M NaOH(aq). write the chemical equation for this particular titration
While in Europe, if you drive 105 km per day, how much money would you spend on gas in one week if gas costs 1.10 rm euros per liter and your car's gas mileage is 41.0 mi/gal? Assume that 1; rm euro = 1.26; dollars.
C3H8(g)+5O2(g)->3CO2(g)+4H2O If 465 mL of oxygen at STP is used in the reaction, what volume of CO2 measured at 37 degrees C and 0.973 atm, is produced?
for if5 draw an appropriate lewis structure. draw the molecule by placing atoms on the grid and connecting them with
It is written in chemical shorthand as NaCl. How would you go about finding approximately how much salt there is in our body
Explain what happens upon addition to a strong acid to the following equilibrium without using the Le Chatelier principle. What happens upon addition of a strong base
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