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Question- If the Ka of a monoprotic weak acid is 3.5 × 10-6, what is the pH of a 0.35 M solution of this acid?
Any expert will able to provide correct answer for the above question.
Calculate the delta H reaction for the combustion of glucose (C6H12O6) using delta H(f knot) values. Calculate the delta H(f knot) of glucose to be used in the above calculation using the following information. (must be calculated, not looked up).
The Kw for water at 0 °C is 0.12× 10-14. Compute the pH of a neutral aqueous solution at 0 °C.
Molten magnesium chloride is prepared as a working fluid for a solar power tower process in a smelting tank operating at 1000 °C. Solid MgCl2 rocks are pre-heated to 714° C and fed into the tank at a rate of 0.5 metric tons/hr. At the top of the t..
Question- The observed Ecell for this electrochemical cell was 1.13 V. In this cell, nickel was used as the reference
In the preparation of the esters given in this reaction, the reaction product is extracted with 5% sodium bicarbonate solution (NaHCO3)in the isolation step. Why? What gas is evolved during this washing step? Write a balanced equation for the reac..
A gas sample occupying a volume of 64.7mL at a pressure of 0.971 atm is allowed to expand at constant temperature until its pressure reaches 0.389atm. what is the final volume
Describe the development of the modern periodic table. Include contributions made by Lavoisier, Newlands, Mendeleev, and Moseley.
the gaseous product of a reaction is collected in a 25L container at 27degrees celsiu. the pressure in the container is 300.0 kPa. how many moles of the gas are in the container.
dna structure called the i-motif can be formed from sequences containing stretches of cytosine c residues. in this
Draw the major and minor products generated in the reaction of 1-Bromo-3methylene-cyclopentane in methyl alcohol and heat.
a) what is the new volume if 0.500 mol of O2 gas is added? b) Oxygen is released until the volume is 10.0 L. How many moles of O2 are removed? c) What is the volume after 4.00 g of He is added to the 4.80 g of O2 gas in the container
When 2.0 mol of CO2(g) is placed in a 5.0-L closed container andheated to a particular temperature, the equilibrium concentration of CO2(g) is measured to be 0.039 mol/L. Use an ICE table to determine the equuilibrium concentrations of CO(g) and O..
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