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What is the osmolarity of the following solutions? Express answer in two signint figures. 1. 0.35 M KBr 2. 0.15 M glucose +0.05 M K2SO4
A 12.0 g sample of solic NH4Cl is heated in a 5.00 L container to a high temperature. At equilibrium, the pressure of NH3 (g) is 1.22 atm. What is the value of Kp for the reaction
A 27.2 mL sample of a solution of RbOH is neutralized by 16.12 mL of a 2.047 M solution of HBr. What is the molarity of the RbOH solution? Answer in units of M.
The specific heat of Ti is .523 J/gcelcius. What is the final temperature of 62g of Ti intially at 41celcius after 8.5kj of heat is added?
Ethanol is a common laboratory solvent and has a density of 0.789 g/mL
Which of the following statements concerning the complete hydrolysis of fats and oils is correct. fats produce more fatty acids per molecule than do oils
Calculate the amount of 6M NaOH required to react completely with 1.51 grams of Methyl Salicylate. How much of the 6M NaOH that you used was in excess of the theoretical amount?
The minimum amount of energy required to bring about a chemical reaction is called
Assume you 0.010 mol of N2O4 (g) in a 2.0L flask at 50 degrees Celcius. After the system reaches equilibrium, [N2O4] is 0.00090 M. What is the value of Kc for this reaction
3.60 bar of NO2 (g) is initially placed in a 1.00 L container. At equilibrium, the total pressure is found to be 4.4 bar. What is the value of Kp under these conditions?
Consider the compounds water, ethylamine, acetone, and aniline, whose Kb values can be found here. Classify them by whether they can be appreciably (Keq>1) protonated by: pyridinium, CH3OH2 , both, or neither.
Explain the significance of the charge on O and H using using concepts you learned about like electronegativity and bond polarity.
Calculate the boiling point when 752 grams of ethylene glycol, C2H6O2, is dissolved in 3 kilograms of water.
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