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For which substances would you predict the highest boiling point? Answer with explanations as to why?
a) F2
b)H2O
c)HF
d)NaCl
e)Br2
A sample of molten iron occupies of a volume of 7.11 x 10-3 L. If the density of iron is 7.86 g/cm3, what is the mass of iron in grams in the sample?
A patient needs 2.70×10^-2 of a sulfa drug. There are 8.00 tablets in stock. How many tablets should be given?
It was found that 19.31 mL of an HCl solution are needed to react completely with 322 mL of a LiOH solution that has a pH of 11.56. What is the molarity of the HCl solution?
At 700.°C, the total pressure of the system is found to be 3.63 atm. If the equilibrium constant KP is 1.52, calculate the equilibrium partial pressures of CO2 and CO.
Determine the freezing point of a solution which contains 0.31 mol of sucrose in 175 g of water. Kf = 1.86°C/m
What is the molar concentration of free (uncomplexed) Ag+ in solution when 4.25g AgNO3 is dissolved in 100.0 mL 1.00 M NH3 aqueous
30.0 mL of a 3.0 M KOH solution are diluted to 250.0 mL. What is the molarity of the diluted KOH solution? 3)what volume of 1.00 M NaOH is required to prepare 500.0 mL of 0.250 M NaOH? then explain how to prepare this solution.
the pressure on a 625 ml sample of gas is changed from .925 atm to 1.45 atm. what is the new sample of gas?
what is the value of k using the equation delta Grxn=-RTlnk? (Assume -R is equal to -8.314 and T is 298K)
Using the molecular orbital model, write electron configuration for the following diatomic species and calculate the bond orders. Which ones are paramagnetic
Calculate the vapor pressure of a solution of 20 g of benzene (C6H6) and 20 g of toluene (C7H8) at 90 oC
Nitrogen dioxide decomposes according to the reaction given below where Kp = 4.48 10-13 at a certain temperature. 2 NO2(g) 2 NO(g) + O2(g) A pressure of 0.23 atm of NO2 is introduced into a container
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