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Presume that the initial volume of the HA solution equals the volume of water utilized to dissolve you solid acid HA a) using the value of ka from your titration curve, Compute the pH at the equivalence point
The normal boiling point of 1-butanol is 117.8 C. 1-butanol (l, 1 atm) ? 1-butanol(g, 1atm) delta H=43.82 kJ Calculate the boiling point of 1-butanol when the barometric pressure is 47 mmHg
a solution of hcl in water conducts an electrical current but a solution of hcl in hexane does not. explain this
A 4 g sample of the hydrated crystal Ba(OH)2• χH2O is heated until all the water is removed. The remaining solid weighs 2.17 g. Calculate the formula of the hydrated crystal.
I have a stock solution of Fe at 50.24ppm. I transfer 1mL to a volumetric flask and dilute with DI water to 100mL. How many ppm is the new solution
Name the stereoisomers formed by oxidation of (S)-4-methylcyclohexene with osmium tetroxide.
Carbon tetrachloride may react with oxygen to produce chlorine and carbonyl chloride.2CCl4(g) + O2(g) 2COCl2(g) + 2Cl2(g); Kc = 9.9 × 1051What is Kc for the following equilibrium?COCl2(g) + Cl2(g) CCl4(g) + ½O2(g)
If 18.4 mL of 0.800 M HCl solution are needed to neutralize 5.00 rm mL of a household ammonia solution, what is the molar concentration of the ammonia?
When a voltage of 30 V is applied to the heater for 3.0 min, a constant current of 2.5 A is observed. The calorimeter temperature increases from 20.00C to 25.59C. Calculate C_bomb for the calorimeter. Assume 2000.0 g of water in the bucket.
Does anyone know the balanced equation piperonaldehyde (C8H6O3)+ acetophenone (C8H8O)= 3,4-methylenedioxychalcone(C16H12O3)
Draw sodium formate by placing atoms on the grid and connecting them with bonds. Include all lone-pair electrons.
How much heat is required to change one gram of ethanol ice at 144 degrees C to ethanol vapor at 78 degrees C.
How many molecules of ice at 0 degrees celsius can be melted from the complete transfer of the heat involved when 25.6 Grams of nitrogen is reacted with 34.5 L Of hydrogen gas at STP.
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