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calculate the pH change when 25 mL HCl are added to 500 mL of a solution that is 0.10 M CH3COO- and 0.10 M CH3COOH
Calculate q,w,delta U and Delta H for each segment and for the cycle in which the direction of each process is reversed. In the graph all it says is the P initial =16.6 bar and Vinitial=1.00L and P final=16.6 bar and V final =25L
which is commonly known as table sugar, reacts in dilute acid solutions to form two simpler sugars, glucose and fructose, both of which have the formula C6H12O6 At 23C
A 45.0 g block of aluminum initially at 28.0C absorbs 548 J of heat. What is the final temperature of the aluminum?
Hydrochloric acid B) Ammonium Hydroxide 2) Identify the geometry of the iron(III) complex in water and the complex ions produced in the above reactions
A student determined the molar mass of an unknown non-electrolyte compound by measuring the freezing point depression of an aqueous solution of the compound.
A 29.0-g sample of water at 250. K is mixed with 51.0 g water at 320. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
A compound with molecular formula C5H10O2 has the following 1H NMR spectrum: 1.15 (t, 3H), 1.25 (t, 3H), 2.33 (q, 2H), 4.13 (q, 2H). Draw its structure. Hint: How many rings and ? bonds does C5H10O2 have?
2 Al(OH)3 + 3 H2SO4 → Al2(SO4)3 + 6 H2O. How many grams of Al2(SO4)3 are generated when 152 g of H2SO4 reacts.
What is the normality of a solution prepared from 10 ml 0.6 N nitric acid by diluting it to 60 ml
Calculate the molarity of a solution made by adding 44.4 mL of concentrated ammonia (28% by mass, density 0.880 g/mL) to some water to some water in a volumetric flask
Determine how much time (in seconds) is needed to form 150. g Na from a sodium chloride melt by a 25 Ampere current?
The volume of a certain bacterial cell is 1.60 µm3. What is the volume of 105 cells in liters (L)?
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