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write balanced net ionic equations for the following electrolysis reactions using platinum electrodes
1.aqueous potassium fluoride
2.aqueos nickel(II) nitrate
A pressure cooker can be used to cook foods quickly under high pressure. The temperature inside a pressure cooker is 116 degrees celsius. Calculate the vapor pressure of water inside the pressure cooker.
Calculate the pH of a solution that is .150 M in sodium formate and .200 M in formic acid (Ka=1.8*10^-4)
One hundred grams of water is saturated with NH4Cl at 50 degrees celsius . According to Table G, if the temperature is lowered to 10 degrees celsius, what is the total amount of NH4Cl that will precipitate.
Consider the titration of a 22.0 -mL sample of 0.110 M HC2H3O2 with 0.130 M NaOH. Determine each of the following. A. The initial pH B. the volume of added base required to reach the equivalence point in mL
In a typical experiment, you drop a gelatin capsule containing 0.1458 g of an Al-Zn alloy sample into an HCl solution. a) Write the equations that represent the chemical reactions that take place after the capsule has dissolved in HCl?
Calculate the pressure exerted by 1 mole of CO2 confined in 22.45L at 298K using van der waals
What nuclide is produced in the decay process? Write the balanced radiochemical equations for both (proton absorbtion and alpha decay) processes.
1.628 G Sample Of A Hydrate Of Magnesium Iodide Is Heated Until Its Mass Is Reduced To 1.072 G And All Water Has Been Removed. What Is The Formula Of The Hydrate?
What is the pH of 270.0 mL of an aqueous solution containing 0.525 g of the strong acid trifluoromethane sulfonic acid (CF3SO3H)?
If the copper is drawn into wire whose diameter is 8.20 , how many feet of copper can be obtained from the ingot? The density of copper is 8.94.
The equilibrium constant, Kc, for the following reaction is 7.00E-5 at 673 k. Calculate Kp for this reaction at this temperature.
Explain why ice and concetrated HCl is used in Friedel Crafts Acylation. ( weigh 50 g of ice in 500 ml beaker. Add 25 ml of concentrated hydrochloric acid to the beaker.
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