Find freezing point of solution made by dissolving biphenyl
Cyclohexane has a freezing point of 6.50 C and a Kf of 20.0 C/m. What is the freezing point of a solution made by dissolving 0.771 g of biphenyl (C12H10) in 25.0 g of cyclohexane? Express the temperature numerically in degrees Celsius.
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A ball is thrown upward from a platform 4.0 m high with a speed of 23 m/s at an angle of 37 o from the horizontal. What is the magnitude of its velocity when it hits the ground?
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A solution of 2.00 g in 22.5 g of cyclohexane boils at 82.39 C . The boiling point of pure cyclohexane is 80.70 C. Calculate Kb for cyclohexane. Express the constant numerically in degrees Celsius per molal.
An infinitely long line of charge has a linear charge density of 5.00×10^?12 C/m. A proton is at distance 12.0 cm from the line and is moving directly toward the line with speed 1500 m/s. How close does the proton get to the line of charge?
Cyclohexane has a freezing point of 6.50 C and a Kf of 20.0 C/m. What is the freezing point of a solution made by dissolving 0.771 g of biphenyl (C12H10) in 25.0 g of cyclohexane?
Calculate the vapor pressure of an aqueous solution at 30 degrees C made from 100 g of sucrose (C12H22O11) and 100g of water. The vapor pressure of water at 30 degrees C is 31.8 mm Hg.
How far will a stone travel over level ground if it is thrown upward at an angle of 34.0 o with respect to the horizontal and with a speed of 15.0 m/s?
How much volume of the low acid wine do you need to mix with the 9.0 g/L TA wine to have the resulting blend equivalent to 7.2 g/L. What is the final volume of the blend?
A positive charge q1= 4.2 *10^-8C is located at -2.0 cm, 5.0cm a negative charge q2 = -6.4*10^-8 is located at -3.0cm, 0.0cm and point P is located at 0.0cm, 3.0cm. Determine the electric potential at the point P.
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