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Using the method of successive approximations, what is [H3O+] in 0.00500 M CH2ClCOOH(aq) (Ka=1.4x10^-3) and how many iterations (n) are needed to validate that a constant value had been obtained? Express [H3O+] using two significant figures, followed by a comma and the number of iterations as an integer.
calculate the concentration of sodium benzoate must be present in a 0.20 M solution of benzoic acid
What will be the equilibrium concentration of HI and Cl2 in the container? The answer is: [HI] = 1.47x10^-12 M [Cl2] = 7.37x10^-13 M
A new soft drink on the market is prominently labeled as "caffeine-free". Based on the nature of complaints filed by several consumers, it appears that the "caffeine-free" claim might actually be fraudulent.
An electric power station annually burns 3.0 x 10^7 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP.
Estimate the value of the equilibrium constant at 685 K for each of the following reactions. Delta H and S for BrCl(g) is 14.6 kJ/mol and 240.0 J/ mol * K, respectively. 2 NO_2(g) > N_2O_4(g.
Express your answer numerically in calories using two significant figures.
Difluoromethane gas (CHF2) was placed in a 5.0 litre cylinder at 1.3 bar at 25 C. What is the mass of CHF2
how to do the Empirical Formula is confusing. The substance is Magneiusm Oxide with .16G. The mass of Magneisum is .12G
Provide a balanced equation for the oxidation of the following: 2-propanol to acetone by means of Cr2O7-2/H+. Please show all steps to obtain the final balanced equation.
optically pure compound was diluted to 800.0 mL with water and placed in a polarimeter tube 15.0 cm long. The measured rotation was -4.85° at 25 °C. Calculate the specific rotation of the compound
What characteristic absorption bands would you expect to find in the infrared spectrum of caffeine?
a gas sample has a volume of .150 L at a temperature of 256 K. What volume will the gas occupy at 288K?
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