Determine the ph at the equivalence point in this titration
Suppose you are titrating the 3.566 mLs of 0.4113 M LiOH with 0.02765 MHClO4. Determine the pH at the equivalence point in this titration? Discuss in detail.
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Determine the standard enthalpy of formation of liquid methanol,CH3OH(l), using the following information: C(graph) + O2 → CO2(g) ΔH° = -393.5 kJ/mo
Charge a and charge b are 3m apart and charge A is +2 C and charge B is +3 C. Charge C is positioned at a point among them and the total force on charge C is zero. Determine how far from charge A is charge C?
The football is kicked from ground with the resultant velocity of 30m/sec at the angle of 40 degrees from horizontal. Find time when the ball is in air, how high it goes?
Describe the compression factor for this gas at the prevailing temperature and pressure when a certain gas obeys the van der Waals equation with a =0.50m6 Pa mol-2.
When 3.00 g of butanol (C4H9OH) is burned in the same calorimeter, the temperature increases by 20.81 oC determine the molar heat of combustion for butanol. An electrical heater is used to add 21.75 kJ of heat to a constant-volume calorimeter.
Describe the total mass of chloroform in the flask? What fraction is in the vapor phase at equilibrium if a quantity of liquid chloroform is placed in an open, transparent, three liter flask and boiled long enough to purge all air from the vapor s
If, initially, [NH3 (g)] =[O2(g)] = 3.60 M, at equilibrium,[N2O4(g)] = 0.60 M. Calculate the equilibrium concentrations of all other species.
A mayoral election race is tightly contested. In random sample of 1,100 likely voters, 572 said that they were planning to vote for current mayor. Based upon this sample, what is the initial hunch? Would one claim with the 95% confidence that the
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1. Exploring the concept of sexual health and its key components which define it 2. Reflecting on the fundamental epidemiological questions
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