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Question- Calculate the pH for each of the following cases in the titration of 25.0 mL of 0.200 M pyridine, C5H5N(aq) with 0.200 M HBr(aq):
1) After addition of 25.0 mL of HBr
2) After addition of 31.0 mL of HBr
Depict your all calculation in detail so I can understand the solution thoroughly
A large cylinder of helium filled at 2000 lb/in^2 had a small orifice through which helium escaped into a space at the rate of 6.4 mmol/hour. How long would it take for 10 mmol of CO toleak through a similar orifice at the same pressure
what is the boiling point of cyclohexane at 600
Iron can be prepared by the reaction of Fe2O3 with carbon according to the equation: 2Fe2O3(s) + 3C(s) 3CO2(g) + 4Fe(s) If 401 g Fe2O3 and 205 g C are heated together, how many grams of iron could be produced?
Herbigon will be soluble at the concentration needed to kill weeds. What pH must the solution have to yield a solution in which the concentration of X+ is 6.00×10?3M ? The pKa of acetic acid is 4.76.
What mass of silver bromide will form when 25.00 mL of a 0.0675 M MgBr2 solution is combined with 30.00 mL of 0.100M AgNO3
the net atp yield for the complete oxidation of a single glucose molecule is 30 atp. phosphorolysis saves energy and
What is the molar enthalpy of solid sodium hydroxide reacts with an aqueous solution of hydrochloric acid, forming water amd an aqueous solution of sodium chloride?
Depict the mechanism for the synthesis of 4-methylcyclohexene from 4- methylcyclohexanol utilizing phosphoric acid and sulfuric acid as catalysts. Make sure to comprise all steps and curved arrows for all electron movements.
Which of the following would be expected to be colored?
An experiment is performed on an unknown material and produces the following heat curve. The temperature of the material is shown as a function of heat added. If the sample of material has a mass of m = 9.80 g, calculate the specific heat when thi..
Question- What will be the change in enthalpy when 100.0 g of butane, C4H10, is burned in oxygen as shown in the thermochemical equation below. 2 C4H10(l) + 13 O2(g) ---> 8 CO2(g) + 10 H2O(g) DeltaH = -5271 kJ
Compounds A and B react to give a single product, C. Write the rate law for each of the following cases and determine the units of the rate constant by using the units M for concentration and s for time.
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