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A 20.00-mL sample of 0.200 M HBr solution is titrated with 0.200 M NaOH solution. Calculate the pH of the solution after the following volume of base has been added: 20.1 mL.
Why is it important to the place the thermometer bulb at in the lower part of the Hickman still head. What will happen if you place it either a)too low or b)too high in the condenser
"Air" bags for automobiles are inflated during a collision by the explosion of sodium azide, NaN3. The equation for the decomposition is 2NaN3(s) ? 2Na(s) + 3N2(g). What mass of sodium azide would be needed to inflate a 9.8-L bag to a pressure of 2...
What are the spectator ions in the solution after the complete neutralization reaction occurs when mixing the strong base NaOH
What are the reactions happen at the negative limit. Why is the negative limit in a given medium always more positive for platinum than it is for glassy carbon
For the endothermic equilibrium CaCO3(s) + NH4+(aq) + SO42+(aq) -> CaSO4(s) + NH3(g) + HCO3-(aq), explain the best set of changes to apply in order to increase product yield effectively.
how many milliliter of 0.165M KMnO4 are needed to react with 108.0ml of 0.165 M oxalic acid? How many milliliter of 0.165M oxalic acid are required to react with 108ml of 0.165M KMnO4
What volumes of 0.150 M acetic acid and 0.065 M NaOH solutions must be mixed to prepare 1.00L of a buffer solution of pH 4.50 at 25C.(Show all work for 5 stars)
Explain the difference between the chlorides in [Co(NH3)6]Cl3 and [Co(NH3)5Cl]Cl2. Is the measured absorption spectrum for these two compounds consistent
how many moles of HNO3 are present in 33.0 mL of a 4.70M solution ?
What is the volume occupied by 0.265 mol of helium gas at a pressure of 1.32 atm and a temperature of 302 K.
a)white the mathematical expression for the equilibrum constant,keq,as a function of the concentrations of the products and reactants for this reaction b)provide two specific ways whereby the le chatelier principle may be applied to this equilibri..
Calculate the energy required to heat 1.30 kg of ethane gas (C2H6) from 27.0°C to 78.0°C first under conditions of constant volume and then at a constant pressure of 2.00 atm.
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