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HF has an acid ionization constant Ka =3.5x10-4 State a chemical equation for this reaction corresponding to this Ka
determine the mass of silver phosphate formed when 4.33 g of silver nitrate is reacted with 22.7 ml of .118 m
the critical temperature of the mixture is known to be 200 F. Compare your answer with the critical pressures of pure methane and pure n-hexane.
question waking up with a hangover you take two tablets of aspirin with a glass of water. once the tablets reach your
Mercury compounds are poisonous
How is the characteristic of line spectrum determined in an element? Does each element produces a particular color?
A certain instrument has a has a standard deviation of 1.7280%. How many replicate measurements are necessary if the standard error mean is to be 0.0210%
Assuming that teh F-18 can be transported at 58.0 miles/hour, how close must the hospital be to the cyclotron if 63% of the F-18 produced is to make it to the hospital
Given that 19.0 moles of carbon monoxide gas are present in a container of volume 33.6 L, what is the pressure of the gas (in atm) if the temperature is 17 °C
The procedure uses 3.0M NaOH. However, the student notices that the only solution of NaOH is concentrated (19M ) NaOH solution. How many mL of water are needed to make 500mL of a 3.0M NaOH
The equilibrium constant, Kc, for the reaction at 25 C is 170. Suppose 15.6 g of N2O4 is placed in a 5.000-L flask at 25C. N2O4 (g) ---> 2 NO2 (g) Calculate the following
What is the freezing point in of a solution prepared by dissolving 4.80 of in 110 of water. The value of for water is 1.86 , and the van't Hoff factor for is = 2.7.
A solution of NH4Cl is prepared and its molarity is 1.00 x 10-3; what is the pH of this solution. Show all work.
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