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A sample of potassium hydrogen oxalate, KHC2O4, weighing 0.832 g, was dissolved in water and titrated with 25.80 mL of NaOH solution. Calculate the molarity of NaOH solution.
How many grams of HCl are in 100.0 mL of 12.0 M HCl solution?
Find the maximum possible thermal efficiency and minimum possible rate of heat discard. If the actual efficiency is 60% of the maximum and the river has a flowrate of 165 m 3 /s, what is the expected temperature rise of the river
Determine the enthalpy change for the reaction. 2NO2 (g) -> 2NO(g) + O2(g) These are the given equations: NO + O3 -> NO2 + 02 DeltaH = -198.9 kJ / mol O3 -> (3/2)O2 DeltaH = -142.3 kJ/mol
Which of the following functional groups will exhibit NO IR absorption at 1630 -1780 cm-1 or at 3200-3550 cm-1
During an experiment, a student adds .339 g of calcium metal to 100.0 mL of 2.05 M HCl. The student observes a temperature increase of 11.0 °C for the solution. Assuming the solution\'s final volume is 100.0 mL,
In an experiment, equal volumes of 0.00200M FeCl3 and 0.00200M NaSCN were mixed together and reacted according to the equation:
A gas thermometer has a volume of 83.3 mL at 20 degrees C. After being placed in a container whose temperature is to be measured its volume ( at the same pressure ) dropped to 67.3 mL. The new temperature is?
The carbon and amino nitrogen of muscle alanine are radiolabeled with 14C and 15N respectively. Outline the metabolic journey that could result in the presence of
Write the reaction for the production of pure Calcium from Calcium Oxide using Aluminum as a reducing agent. Include whole number balancing coefficients
A solution is 0.10M Pb(NO3)2 and 0.10M AgNO3. If solid NaCl is added to the solution what is [Ag+] when PbCl2 begins to precipitate? (Ksp PbCl2 = 1.7 x 10^-5; AgCl = 1.8 x 10^-10)
Assume the products are all gaseous. Show all your work. What is delta G and is the reaction spontaneous at 298K or nonspontaneous
One way to isolate metals from their ores is to react the metal oxide with carbon as shown in the following reaction: 2MO(s) + C(s) → 2M(s) + CO2(g)
Titration of 80 ml of unknown concentration of H3PO4 requires 126ml of 0.128M KOH. What is the concentration of H3PO4?
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