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Question- Calculate the freezing point of a solution of 60.0 g of NaCl (assume complete dissociation) dissolved in 500.0 g of water. Kf = 1.86 C/m and Kb = 0.512 C/m
Give reasons or calculations to sustain your answer.
Thiamine hydrochloride (C12H18ON4SCl2) is a water-soluble form of thiamine (vitamin B1;Ka = 3.37 X 10-7). Explain how many grams of the hydrochloride must be dissolved in 10.40mL of water to give a pH of 3.71
Calculate the equilibrium constant for the dissolution of calcium carbonate at pH=6 in the presence of EDTA as shown below: CaCO3(s) + EDTA^4- (aq) + H+(aq) --> [Ca(EDTA)]2-(aq) + HCO3 (-1 charge)(aq)
A 2.60 mole quantity of NOCl was initially in a 1.50 L reaction chamber at 400°C. After equilibrium was established, it was found that 22.0 percent of the NOCl had dissociated
Write a balanced chemical equation showing the function of the peroxide. In your equation identify the oxidizing agent and the reducing agent
Gas phase reaction of a bromine molecule and a hydrogen atom occurring in a single step as a fundamental reaction at 400 degrees C and activation energy of 60 kJ/mol.
Need help with this question: Calculate the heat needeed at 0 degreess C to make each of the fallowing changes of state, indicate weather heat s absorbed or released. 1.) how many calories does it take to freeze 35g of water
Determine the molarity of a solution that is formed by dissolving 21.0 g of CaF2 in a flask and adding water to make 446.2 mL of solution
The total number of neutrons in a diatomic chlorine molecule made up of one atom of CI-35 and one atom of CI-37 is
sulfuric acid acts as a catalyst for making esters. Write an equation showing the production of Isoamyl alcohol
the approximate equivalence point of a ph meter titration before before carrying out the ph titration
Calculate the resulting pH if 455 mL of 0.200 M HCl is mixed with 315 mL of 0.0850 M Ca(OH)2.
Neat, aliphatic, primary amines show two absorptions between 3400 to 3330 cm-1 and 3330 to 3250 cm-1 due respectively to asymmetrical and symmetrical stretch. Stretch at 3300 cm-1. Why do tertiary amines not absorb in this region of the spectrum?
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