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Calculate the concentration of malonate ion (C3H2O4 2-) in a 0.200 M solution of malonic acid (C3H4O4). The malonic acid, Ka1 = 1.4 x10^(-3), Ka2 = 2.0 x 10^(-6)
Many gases are shipped in high-pressure containers. Consider a steel tank whose volume is 65.0L and which contains O2 gas at a pressure of 16,500kPa at 23°C.
Multiple choice questions in Radioactive Decay - electron emitted from the nucleus during some kinds of radioactive decay is known
if the molarity of the HCl solution was actually greater then the lable indicated would it affect the calculated value for the number of moles of HCl that reacted.
The reaction A=B+ C is second order in A. when [A}0=0.100M, the reaction is 20% complete in 35 minutes. Calculate the value of the rate constant in ( L/min.mol)
The diffusion coefficient versus reciprocal of the absolute temperature for the diffusion of iron in chromium. Determine values for the activation energy and preexponential.
Formic acid, HCHO2, is a convenient source of small quantities of carbon monoxide. When warmed with sulfuric acid, formic acid decomposes to give CO gas
if you mix 40.0 mL of 0.366 M of K2CrO4 with 40.0 mol of 0.366 AgNO3. what mass of solid Ag2CrO4 would form?
Calculate the percent yield for the reaction. A scientist performs this reaction in the lab by starting with 30.02 g of Mg and 0.992 moles of Cl2 gas
Write a chemical equation for the formation of methionyl glycine from the constituent amino acids.
To ensure the impurity does not exceed this amount, how much water must be added to the solution before the temperature is dropped if the initial solution weighed 500 kg? How much Na2S2O2 will be generated in this process?
A mixture of C3H8 and C2H2 has a mass of 2.0 . It is burned in excess O2 to form a mixture of water and carbon dioxide that contains 1.5
Compute the ΔH for this reaction and express your answer in kilojoules if the given . Bond Energies (kJ/mol) are N-Cl 201 , Cl-Cl 243 , N-H 389 ,H-Cl 431
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