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Calculate the pH of a solution that results from mixing 19.8 mL of 0.120 M acetic acid with 20.0 mL of 0.178 M sodium acetate. The Ka value for CH3COOH is 1.8 x 10-5.
What happened when CaCO3 was combined with hydrochloric acid? was a chemical reaction obvious here ? what about NaOH added to HCl?
A student takes 185. g of BaCl2, and reacts it according to the following equation: 3BaCl2 + Al2(SO4)3 → 3BaSO4 + 2AlCl3 How many moles of AlCl3 are formed?
The reaction previously done was just having trans-cinnamic acid reacted with Br2 forming all the isomers with the double bond being broken and Br put into place.
A system absorbs 295 kJ of heat and the surroundings do 177 kJ of work on the system. What is the change in internal energy of the system?
Structures of Acids, The chiral carboxylic acid A (C5H6O2) reacts with 1 mol of hydrogen gas on catalytic hydrogenation.
The pH of 0.325g of aspirin (Molar mass 180.2) tablet in 0.5L water is 3.03, What is the pKa for weak, monoprotic acid aspirin? do not disregard x
What quantity of energy as heat is required to vaporize a 60 mL of mercury at 357 C, its normal boiling point? The density of mercury is 13.6 g/mL and Atomic Mass is 200.59 g/mol.
Lindane is a toxic insecticide that causes dizziness and diarrhea in humans. Find the molecular formula for lindane given its percent composition:
Organic compounds solubility, The question is: Assuming that sugar is soluble in water and not most organic solvents, LIST the steps in ORDER that you would take for separating a 1:1 mixture of solid sugar and solid sodium benzoate
At a certain temperature the equilbrium constant is 396 K for H2(g) + I2(g) ↔ 2HI(g) , Calculate the the equilbrium constant for 0.5H2(g) + 0.5I2(g) ↔ HI(g)
Derive an expression for (δU/δV)T for a gas that obeys the van der Waals equation of state.
A 30.0- sample of this glucose solution was diluted to 0.500 . How many grams of glucose are in 100. of the final solution?
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