Calculate the amount of energy released by the freezing
Calculate the amount of energy released by the freezing of 13.3 g of a liquid substance, given that the substance has a molar mass of 82.9 g/mol and a molar heat of fusion of 4.60 kj/mol.
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Two students are on a balcony 18.0 m above the street. One student throws a ball (ball 1) vertically downward at 10.2 m/s; at the same instant, the other student throws a ball (ball 2) vertically upward at the same speed. The second ball just miss
How does an employee have the "upper hand" in today's time? When you think about it jobs are scarce right now so if a person doesn't do what the organization wants it will find someone else.
Draw the structures of the products of saponification of glyceryl trilaurate by NaOH
A bu?er is created by mixing together 22 mL of 3.3 M sodium formate and 12 mL of 3 M formic acid. What is the capacity of the bu?er if 0.2 M NaOH is added?
A bu?er (pH 4.74) was prepared by mixing 1.00 mole of acetic acid and 1.00 mole of sodium acetate to form an aqueous solution with a total volume of 1.00 L. To 200 mL of this solution was added 20.0 mL of 1.00 M NaOH. What is the pH of this
Calculate the mole fraction of benzene in the vapor phase over a solution of benzene and toluene with Xbenzene= 0.600.
What is the objective of experiment standardization of sodium thiosulphate.
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you found in part (a). What should be the maximum speed of the car so it can round the curve safely?
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