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Bromocresol green, Ka = 2.0x10^-5, is yellow in its protonated form (HX) and blue in its ionized form (X^-). At what pH will bromocresol green be a perfect green color
calculate the amount of energy in kilojoules needed to change 153g of water ice at -10 C to steam at 125 C.
tap water with a Cl- ion concentration of 1*10^-5 mol/L? Ksp=1.77*10^-10
What is the pH of Sodium Acetate solution before the HCL is added and after the HCL is added?
As a chemist for an agricultural products company, you have just developed a new herbicide,"Herbigon," that you think has the potential to kill weeds effectively
A certain quantity of a gas occupies 61.3 mL at 68C. If the pressure remains constant, what would the volume of the gas be at 17C?
What organic product(s) is formed when 1-methylcyclopentanol is heated in the presence of an acid catalyst?
What is Kp for the reaction at this temperature? B. For the reaction N2(g)+ 3H2(g) 2NH3(g) Kp = 2.20×10?3 at 268 C . What is K for the reaction at this temperature?
A 100 mL sample of .20 M HF is titrated with .10 M KOH. Determine the pH of the solution before the addition of any KOH. The Ka of HF is 3.5 * 10^-4
Compute the ratio of the concentration of H 2 CO 3 to that of the HCO 3- if The pH of a bicarbonate-carbonic acid buffer is 8.50
Use Le Chatelier's Principle and the weak acid dissociation equilibrium to explain how the addition of NaOH will completely neutralize an unknown weak acid at the equivalence point in a titration. Consider that hydroxide ion reacts directly with H..
The sucrose is being converted to other sugars in a reaction which is first-order with respect to the sucrose concentration. Exactly 30 minutes later, the sucrose concentration has fallen to 0.131 mol/L. Calculate the value of the rate constant in..
Joseph Priestley discovered oxygen in the eighteenth century by using heat to decompose mercury(II) oxide: 2 HgO(s) + heat --> 2 Hg(s) + O2(g)
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