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Tris base (pka =8.1 ; ka = 8.32 e-9) was dissolved in 0.5l of water to give the final concentration of 1 M. a.) find pH of the obtained solution. b.) how much does the pH change after addition of 1 ml of 10N HCl?
How many constitutionally isomeric monochlorides can be formed on free-radical chlorination of 2,3,3-trimethylpentane? 2,3,3-trimethylpentane + Cl2 Heat
Preliminary analysis suggests that the air stable form of setonium has a radius of 130 pm. Predict the formula of the form (cation, anion or oxide) in which it would likely be found in a beaker of pH 5.5 to 7 water.
What is the pressure in millimeters of mercury of 0.0110 mol of helium gas with a volume of 208 mL at a temperature of 35 degrees C?
what would the rate constant be at a temperature of 150C for the same reaction described in Part A?
What is the FORMULA for the limiting reagent? c.What amount of the excess reagent remains after the reaction is complete? IN GRAMS
A 20.0 mL sample of 0.150M KOH is titrated with 0.125M HClO4 solution. Calculate the pH after the following volumes of acid have been added.
a 0.500 l solution of 7.50 m hydrochloric acid is used to neutralize a 250.0 g sample of calcium hydroxide. calcium
A student combusts 504.96 grams of ethene gas, C2H4. How many liters of CO2 (g) are produced at a pressure of 0.993 atm and a temperature of 295 K? C2H4 (g) + 3 O2 (g) ->2 CO2 (g) + 2 H2O (g)
Without using equations can you explain how heat capacity and entropy are related
Calculate the mass/volume percent [% (m/v)] of 0.278 g of potassium chloride in a 987.8 mL solution.
A 130 mL stock solution contains 1.5 M CuF2. When 11 mL of the stock solution is diluted to 23 mL, what will the concentration of F- ions be?
Identify the limiting reagent and the volume of CO2 formed when 11L CS2 reacts with 18L O2 to produce CO2 gas and SO2 gas at STP.
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