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Question- Boric acid has pKa=9.23. What are the equilibrium concentrations of each species in .115M H3BO3 solution?
Please carry out what you can and illustrate your work so I can follow. Thanks
An element X forms an iodide (XI3) and a chloride (XCI3). THe iodide is quantitatively converted to the chloride when it is heated in a stream of chlorine: 2 XI3 + 3 CI2 -----> 2 XCI3 + 3 I2. If 0.5000 g of XI3 is treated, 0.2360 g XCI3 is obtaind..
Calculate the number of grams of sucrose (C12H22O11) needed to prepare 0.500 L of a 1.00 M sucrose solution. 1. 85.5 g 2. 171 g 3. 342 g 4. 684 g
If a new solution is made by diluting exactly 10.0 mL of the solution with exactly 20.5 mL of distilled water, what should the absorbance of the new solution be
How many moles of gas are in a container that is 2.00 L, at 30.0 atm and a temperature of 25.0 C?
Why is the theoretical maximum final temperature reached by the water in a calorimeter always slightly higher than the highest recorded temperature
carbonic acid solution with [H_2CO_3] = 0.00735 M is titrated with 0.100 M KOH. Determine the pH of the solution when 70.00mL of OH have been added.
nitrous oxide n2o decomposes at 600degc according to the balanced equation2n2og rarr 2n2g o2ga reaction mechanism
if 2 mole of N2 and 5 mole of H2 in a closed container initially at STP react, calculate the final pressure in the flask at 0C.
An aqueous solution of Na2CO3 has a pH of 10.00. The CO3-2 (carbonate anion) is the conjugate base of its conjugate acid, HCO3- (bicarbonate anion). Write the net ionic equation for the reaction which shows why the solution has a basic pH.
The most important commercial process for generating hydrogen gas is the water-gas shift reaction: CH4(g) + H2O(g) ? CO(g) + 3H2(g) a)Use tabulated thermodynamic data to find ?G° for this reaction at the standard temperature of 25°C.
Problem- Glucose is pumped into some animal cells by a symporter powered by the simultaneous entry of Na+. The entry of Na+ provides a free-energy input of 10.8kJ/mol under typical cellular conditions
When aluminum metal is dipped in an aqueous solution of hydrochloric acid, hydrogen gas is produced with the formation of an aluminum chloride solution. Write the balanced chemical equation showing the phase of reactants and products.
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