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A not so brilliant physics students wants to jump from a 3rd floor apartment window to the swimming pool below. The problem is the base of the apartment is 8.00 meters from the pool's edge. If the window is 20.0 meters high, how fast does the student have to be running horizontally to make it to the pool's edge?
Explain what Carboxylic acid is produced from the acid hydrolysis of butyl acetate butyl ethanoate? Draw it out.
Starting with 1 liter of 2.0 M CH3COOH (acetic acid) we wish to make a buffer solution of pH=4.00. Consider the following to make the buffer: One way would be to add sodium acetate. How many moles must be added (assume no volume change)
An unknown metal m reacts with sulfur to form a compound with the formula M2S3. If 3.12g of m reacts with 2.88g of S, what are the names of M AND M2S3
carbon footprint is the amount of greenhouse gas emissions
The normal boiling point of liquid propanol is 371 K. Assuming that its molar heat of vaporization is constant at 43.9 kJ/mol, the boiling point of C3H7OH
a 5.0 ml sample of vinegar was titrated with 7.2 ml of 0.55 m naohaq. if the density of the vinegar solution is 1.00
The ratio of an enzyme catalyzed reaction rate to the uncatalyzed rate (i.e. kcat/ kuncat) is equal to 10,000. Compute the amount, in kj/mol, by which the activation energy for the reaction is lowered by the enzyme. Assume the free energy of the reac..
Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25celsius, the vapor pressure of the pure benzene is 100.84 torr. what is the vapor pressure of a solution made from dissolving 15.4g of biphenyl in 34.2 o..
A single sp^3 hybrid orbital has a) one lobe b) two lobes of equal size c) two lobes of unequal size d) four lobes of equal size
Compute the final temperature. The molar heat capacity for ice is 37.5 J K-1 mol-1 as well as that for liquid water is 75.3 J K-1 mol-1. If the molar enthalpy of fusion for ice is 6.01 kJ/mol.
In the following equilibrium, would you raise or lower the temperature to obtain these results? C2H2(g) + H2O(g) CH3CHO(g) delta H degrees= -151 kJ a. An increase in the amount of CH3CHO b. A decrease in the amount of C2H2 c. An incre..
What is the sum of all coefficients in the complete and balanced net equation for the reaction occurring when chlorine gas is bubbled through aqueous sodium hydroxide to form aqueous sodium hypochlorite (NaOCl) and sodium chloride
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