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Question- A 100.0mL aliquot of 0.100 M weak base (pKb=5.00) was titrated with 1.00 M HClO4. Find the pH after 11.9mL is added.
Explain your strategy for completing your task, defining your rationale as relevant.
The heat capacity of liquid water 4.18 J/g degree celcius and the molar heat of vaporization 40.7 kJ/mol. How many kilojoules of heat must be provided to convert 1.00 g of liquid water at 67 degree celcuis into 1.00 g of steam at 100 degrees celci..
Explain when the divider is broken, the ammonium nitrate dissolves as per to the following endothermic reactionNH4NO3 (s)--->NH4+NO3-(both aq).
the reaction conditions are influencing the directing effect of the -NH2 group. Explain why this occurs, using both words and structures.
a large containerized planting that contains 79kg of soil. An analysis shows that you need to neutral 3.27 meq/100gof acidity. How much of finely ground pure CaCO3
what is the equilibrium concentration of the hydroxide ion (OH-) in the water? Please show formulas used, your answer with units and calculations as text below or an attached file.
about two centuries ago benjamin franklin showed that 1 teaspoon of oil would cover about 0.5 acre of still water. if
what is the acid-ionization constant ka for the ionization of acetic acid shown in the reactionch3coohaq h2ol
Question- What mass of sucrose (342.30 g/mol) should be dissolved in 450.0 g of water to cause a boiling point elevation of 0.39 oC? Kb (water)= 0.512°C/m.
What is the effective concentration between the ends if you consider the characteristic ratio of dna?
The concentration of Na^+ in a 0.73 M Na2CO3 solution is: (Assume complete dissaciation) A. 0.43 M B. 0.88 M C. 1.02 M D. 1.28 M E. 1.46 M
A 28.4 g sample of C2H5OH is burned in a calorimetry containing 1.0 kg water. The temperature of the calorimetry and its contents rose from 25.00 Celcius to 29.71 Celsius.
What is the molarity of a solution made by dissolving 34.2 g of sodium chloride in 575 mL of solution
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