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Equal mass samples of three liquids, A, B and C are obtained. The initial temperatures are 14 C, 24 C, and 40 C for liquids A, B, and C, respectively. If liquids A and V are mixed, the final temperature is 20 C and if liquids V and C are mixed, the final temperature is 34 C. Determine the final temperature if all three liquids are mixed at once. (Assume no heat is lost to container or surroundings).
Calculate th pH of 1.00 L of a buffer of 1.00 M CH3COONa/1.00 M CH3COOH to which 0.210 mol of NaOH has been added
Burning the fatty acid palmitic acid outside the body in the presence of oxygen, results in its complete oxidation to form carbon dioxide and water. The chemical formula of palmitic acid is CH3(CH2)14COOH.
If the heat released during condensation goes only to warming the iron block, what is the final temperature (in C) of the iron block
When would you do a hot filtration. Why do you wash your crystals after you collect them by filtration
Calculate Kc for the following reaction. 2NO(g)+O2(g) 2NO2(g) when equilibrium is established at 500 Kelvin, there are 0.190 moles of NO2, 2.65*10^-4 moles NO, and 0.606 moles O2 in a volume of 0.759 liters
At what temperature would CO2 molecules have an rms speed equal to that of H2 molecules at 25 degrees C?
A 27.5 mL volume of a 0.107 NaOH solution is added to 20.0 mL of a 0.211 M HCL solution. What is the pH of the solution
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.210 M HClO(aq) with 0.210 M KOH(aq). The ionization constant for HClO (4.0*10-8).
a student carefully did a titration to determine the mass of acetic acid in the vinegar sample. after 50 ml of naoh was
How many milliliters of 0.410 M KOH solution are needed to completely neutralize 48.2 mL of 0.151 M HI solution? The reaction is KOH(aq) + HI(aq) ? KI(aq) + H2O(l)
Determine the osmotic pressure (in Torr) for a 50 mL solution containing 30.22 mg of protein with the molar mass
Calcium in blood or urine can be determined by precipitation as calcium oxalate CaC2O4. The precipitate is dissolved in strong acid and titrated with potassium permanganate. The products of the reaction are carbon dioxide and Manganese ii ions.
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