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A boat (with a flat bottom) and its cargo weigh 6,000 N. The area of the boat's bottom is 6 m2. How far below the surface of the water is the boat's bottom when it is floating in water?
a 0.573g sample of nonvolatile solute is added to 15.6g of naphthalene and the mixture warmed until melted. the
Use Coulomb's law to calculate the ionization energy in of an atom composed of a proton and an electron separated by 185.00 pm
What volume of a 0.236 M HCHO2 must be added to 1.00 L of a 0.500 M solution of NaCHO2 to give a pH of 3. Assume that volumes are additive.
What is the pH at the equivalence point for a titration of 35 ml of 0.250 M acetic acid with 0.350 M Ba(OH)2? Ka for acetic acid is 1.8 x 10^-5
what is the diameter of an aluminum atom? the mass of 1 mold is 27 g the density of aluminum is 2.7g mol
If you mix 50mL of 0.34M HCN with 100mL of 0.17M KOH what is the pH of the resulting solution. (Ka=4.0 x 10^-10)
When a strong base is added to a solution of CuSO4, which is pale blue, a precipitate forms and the solution above the precipitate is colorless. What is the net chemical equation that describes this reaction? Include the phases of all species in t..
How techniques for sample digestion and extraction can increase efficiency, throughput and accuracy in drug analysis when utilised prior to separations' methods.
A Michalson interferometer had a mirror velocity of 2.75cm/s. What would be the frequency of the interferogram for (a) UV radiation of 350 nm. (b) visible radiation of 575nm, (c) infrared radiation of 5.5 um, and (d) infrared radiation of 25 um?
A 13 mL sample of a solution of AlBr3 was diluted with water to 27 mL. A 15 mL sample of the dilute solution was found to contain 0.044 moles of Br-. What was the concentration of AlBr3 in the original undiluted solution
Explain how many electrons should we expect to see associated with the lowest energy peak in the photoelectron spectrum of the element Gallium (Ga)
3-ethyl-5,5,6,6-tetramethylhexane. Draw the molecule that fits this description and then name it correctly
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