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(a) calculate the pH of a 0.02 M solution of oxalic acid (H2C2O4). Ka1 = 5.9 x 10^-2, Ka2 = 6.4 x 10 ^-5. (b) Calculate the concentration of oxalate ion, (C204^2-) in the solution
Determine the required CSTR volume, V (in gallons), and hydraulic residence time, in V/Q (hours), to comply with the current industrial pretreatment permit limitation for phenol
the temperature of a metal bar rises by 15 C when it absorbs 4.26 kJ of heat. The mass of the bar is 472g. Determine the specific heat of the metal bar.
The pressure inside a hydrogen-filled container was 2.10 atm at 21 C. What would the pressure be if the container was heated to 94 C?
Use the H NMR spectrum of the purified cyclic acetal to identify the major diastereomer From borohydride reduction. There are no minor diastereomers. Draw its structure including stereochemistry. Determine the ratio between major:minor.
Predict the sign of delta S_system for the following processes a) molten Fe solidifies b) LiCl_(s) is formed formed from Li_(s) and Cl2_(g)
You need 70.2 J to raise the temperature of 34.0 g of ammonia from 23°C to 24°C. Calculate the heat capacity of ammonia.
please convert thema 456 cal to joulesb 22.3 j to caloriesc 234 kj to caloriesd 12.4 cal to joules-calculate the amount
When 3 methyl 1 butane reacts with Hbr, two alkyl halides are formed: 2 bromo 3 methylbutane and 2 bromo 2 methyl butane. Propose a mechanism that explains the formation of these products.
A mixture of NaBr and NaI has a mass of 1.620 g. When treated with excess AgNO3, it yields a mixture of AgBr and AgI which has a mass of 2.822 g. What mass of NaI was present in the original mixture?
A mixture of 9.0g CH4 and 9.0g Xe is placed in a container and the total pressure is found to be 0.40atm. Find the partial pressure of CH4
if 25.00mL of .2500 M formic acid is titrated with 25.00mL of .2500 M NaOH, what is the pH at the equivalence point? the Ka for formic acid 1.8x10^-4.
what mass of sucrose should be combined with 478 of water to make a solution with an osmotic pressure of 8.60 at 320 ?
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