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Use the appropriate standard reduction potentials in your book to calculate the value of K at 25C for the reaction NiO2(s)+2Cl-(aq)+4H+(aq) arrow Cl2(g)+Ni2+(aq)+H2O(l)
What colume will 500 mL of gas at 20 degrees celsius and a pressure of 420 mm Hg occupy if the temperature is reduced to -80 degrees celsius
Write thermochemical equations for the decomposition of one mole of sodium fluoride into the elements in their stable states at 25 degrees celcius at 1 atm.
Use the Henderson-Hasselbalch equation to calculate the pH of a solution that is 0.195 M in C2H5NH2 and 0.155 M in C2H5NH3Br. Express your answer using two decimal places.
1-phenyl-3-p-hydroxyphenyl-2-propen-1-one has a lower pKa value than does phenol. Account for this and the color of the phenoxide in terms of resonance structures for the anion.
A solution of 116 mL of 0.170 M KOH is mixed with a solution of 230 mL of 0.240 M NiSO4. What precipitate forms?
Determine the acid content of the vinegar as wt % CH3COOH, acetic acid
Show by explicit integration that the 1s and 3s wave functions of the hydrogen atom are orthogonal. Note that in integrals over r
A buffer solution is prepared by dissolving 1.51 g NH3 and 3.85 g (NH4)2SO4 in enough water to make 0.500 L of solution.
Determine how long will it take for the concentration to decrease to 0.13 mol/L express your answer in seconds.
show the photoelectron spectrum of N2.Assign short and long progression band.. which one is adiabatic band. give your explanation on basis of FCP. No google copy- paste thing please.
Which reaction below could not be used to create C-C bonds?
If 93 of heat are added to a pure gold coin with a mass of 11 , what is its temperature change? Specific heat capacity of gold is 0.128?
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