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What is the solubility in pure water of Ba(IO3)2 in moles per liter at 25 ?C [Ksp (25 ?C) = 6.0 ? 10-10]
if you used 8900 kilojoules you expend in energy in one day to heat 49000g of water at 19 C what would be the rise in temperature.
A buffer solution of a weak acid and its salt had a pH of 5.51 when the acid was 0.221 M and the anion was 0.928 M. Calculate the equilibrium dissociation constant (Ka).
What molar amount of hydrochloric acid is required for the fischer esterification of lauric acid
Which of the following solutions has the highest osmotic pressure? A. 1.0 M K3PO4 B. 2.0 M LiBr C. 4.0 M C6H12)6 D. all have the same osmotic pressure
At what temperature would the pressure be 1.50 x 10-2 atm? c. At what temperature would the pressure be at 25.0 atm?
the practical benefits of using a more favorable direction of the reaction for a routine enzyme activity assay
Complete and balance the following redox reaction in basic solution: H2O2 (aq) + N2H4 (aq) ? N2 (g) + H2O (l) Not sure what side gets OH- etc.
Calculate the change in pH when 7.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
Use the tabulated half-cell potentials below to calculate the equilibrium constant (K) for the following balanced redox reaction at 25°C.
When 4.220 g of calcium hydroxide is reacted with a 30.0 mL of a 0.200 M sulfuric acid solution how many grams of calcium sulfate and water are formed?
If a cow passes 975g of methane per day how many moles of methane are being produced per day and how many g of carbon per day
with what volume of 5.0M HF will 7.4 g of calcium hydroxide react completely, according to the reaction 2HF + Ca(OH)2 --> CaF2 + 2H2O
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