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What is the vapor pressure of a solution at 25.0 degrees C that has 14.3g urea, CO(NH2)2 dissolved in 250.0mL water, vapor pressure of pure water at same temperature is 23.8mmHg?
Fatty acid distribution in trihydric alcohol for triacylglycerol formation
Consider a solution formed by mixing 60.0 mL of 0.100 M H2SO4, 30.0 mL 0.100M HOCl, 25.0 mL 0.180M NaOH and 25.0 mL 0.100 M Ba(OH)2. Calculate the pH of this solution.
Which of the following chlorides is the most ionic. Please explain a) CH2Cl2 b) SiCl4 c) SCl2 d) PbCl2
when sodium benzyloxide is reacted with excess acetic anhydride it produces benzyl acetate and by products.
Microscopic events often mimic macroscopic events. Such is the case when understanding catalysts. Catalysts act by lowering the activation energy required for a reaction to occur. To demonstrate the role of a catalyst, let us consider an analog..
Question- At STP, 27.0 L of HCl gas is dissolved in water, resulting in 785 mL of solution. What is the molar concentration of the HCl solution
Write net ionic equations for the formation of each of the precipitates observed.
a sample of nitrogen gas occupies 1.55 l at 27.0 c and 1.00 atm pressure. what will the volume be -100 c and the same
Calculate the boiling point when 752 grams of ethylene glycol, C2H6O2, is dissolved in 3 kilograms of water.
Carbonic acid is a diprotic acid, H2CO3, with Ka1 = 4.3 x 10-7 and Ka2 = 4.8 x 10-11. Calculate Kb for the carbonate ion, CO32-
The freezing point of benzene is 5.5oC. What is the freezing point depression of a solution of 5.00 g naphthalene (C10H8) in 444 g benzene (Kf of benzene = 4.90oC/m)?
Describe the similarities and differences between gas-sensing potentiometric electrode and pH membrane potentiometric electrode
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