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What is the concentration of H3O+ ions in a 0.020M aqueous solution of lithium hydroxide at 25 degrees celcius?
Reaction of methanoic and ethanoic acids with CaCO3, If I have a 1 liter aqueous solution that contains 15 mg/L methanoic acid and 15 mg/L ethanoic acid
Pressures up to 3000 (atm) are measured with a dead-weight gauge. The piston diameter is 0.17 (in). What is the approximate mass in (lbm) of the weights required
Classify each of the following as ionic or covalent compounds and Draw Lewis structures
A student added 27.20 cm^3 of 0.200 mol dm^-3 HCL to 0.188 g of eggshell. Calculate the amount, in mol, of HCL added. what is it?
Consider the reaction A + B ? C + D. Assume that both the forward reaction and the reverse reaction are elementary processes and that the value of the equilibrium constant is very large. Which species predominate at equilibrium, reactants or produ..
After a strenuous exercise session, someone experiences sever cramps in the ghighs and pain in the biceps. what chemical process occurs in the muscle cells to cause this discomfort and what chemical reactions have possibly taken place in the the b..
compressed reversibly and adiabatically until the temperature reaches 250K. Given that its molar constant-volume heat capacity is 27.5J/Kmol, calculate final pressure and final volume.
Methane, CH4, reacts with I2 according to the reaction CH4(g) + l2(g) ? CH3l(g) + HI(g). At 630 K, Kp for this reaction is 2.26 X 10-4. A reaction was set up at 630 K with initial partial pressures of methane of 105.1 torr and of 7.96 torr for I2...
Problem- I prepared a solution of 3 ml HCl, 1.2 ml AcOH and 1.8 ml EtOH and titrated it with 29.65 ml of 1 M NaOH. Then I calculated mol AcOH to be 0.011. How do I calculate mols of EtOH
Calculate the standard entropy, ΔS°rxn, of the following reaction at 25.0°C using the data in this table. The standard enthalpy of the reaction, ΔH°rxn, is -633.1 kJ·mol-1.
What structual difference allows the sepeartion of eugenol from acetyl eugenol
Compare the value of Mλ for a blackbody at 2000K to that for a blackbody at 1500K at λ = 1.00 micro meters.
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