What is the freezing point of a solution containing
For benzene the freezing point constant, Kf is 5.12 kg mol-1and its normal freezing point is 5.5 celcius. what is the freezing point of a solution containing 100.0 g of benzene and 20.0 of naphthanlene?
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Assume that airresistance is so small that it can be ignored and that the zeropoint of gravitational potential energy is located at the positionat which the ball leaves the thrower's hand. a. Sketch a graph of the kinetic energy of the baseball.
The compounds listed below are followed by oxidation numbers. Determine whether these are the correct oxidation numbers for the elements in each compound.
There is friction as the pulley turns. The block starts from rest, and its speed after it has traveled downwards a distance of D= 0.65 m, is 1.519 m/s. Calculate the amount of energy dissipated up to that point.
Use your value for the heat of neutralization, ΔH1,to determine the amount of heat evolved when 10.00 mL of 0.5032 MHNO3 reacts with 10.00 mL of 0.5005 M NaOH.ΔH1 = -73 kJ/mol
The general equation for this is given by V t = Vpeak=sin 2pi*f*t , where Vpeak is the peak voltage (amplitude) and f is the frequency. Determine the following For time value t.
When 5.0 g of an unknown substance is dissolved in 100.0g ofwater, the freezing point of the solution decreases by 1.5 celsius. What is the molar mass of the unknown substance if the compound does not dissociate to form ions in solution, that is ,
The "wireless" connection used by your laptop computer employs electromagnetic waves with a frequency near 2.4 GHz. (a) What is the wavelength of this radiation?
Verify that the functions f and g are inverses of each other by showing that f(g(x)) = x and g(f(x)) = x. Give any values of x that need to be excluded from the domain of f and the domain of g.
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