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In AFM force-distance curves the potential energy of the lever bent under the surface forces acting between tip and sample plays a crucial role. Draw a typical force vs. distance (approach and retract) curve and explain how particular features correspond to different forces exerted between tip and sample
Calculate the mass of nitrogen dissolved at room temperature in an 99.0 mL home aquarium. Assume a total pressure of 1.0 atm and a mole fraction for nitrogen of 0.78.
Calculate the equilibrium concentrations of NH3 and H2S if a sample of solid NH4HS is placed in a closed vessel and decomposes until equilibrium is reached
To determine the molecular formula of a compound - gas was mixed with calcium chloride solution,
A 750-mL sample of nitrogen was collected by displacement of water from a container at 30°C and an atmospheric pressure of 742 Torr. If the vapor pressure of water at 30°C is 31.8 Torr, calculate the number of moles of nitrogen gas produced.
literature review on electrochemistryyou are required to prepare a review-type essay on your given topic. insert your
What is the hydrogen ion concentration of a solution when 2.334ml of acetic acid (60.05 g/mole) and 2.082 grams of sodium acetate (82.04 g/mole) are added to 500ml of water?
an aqueous CaCl2 solution has a vapor pressure of 81.1 mmHg at 50 C. The vapor pressure of pure water at this temperature is 92.6 mmHg.
A mixture of 30 mol% CO, 65 mol% H2, and 5 mol% N2 is fed to a methanol (CH3OH) synthesis reactor, where the following reaction occurs
If equal volumes of BaCl2(aq) and NaF(aq) solutions are mixed together, which will NOT give a precipitate (Ksp of BaF2 = 1.7 x 10-7)?
Many carbohydrate linkages are cleaved by hydrolytic enzymes, which is different from glycogen phosphorylase that uses phosphorolysis. There are two acceptable mechanisms for hydrolysis of the glycosidic bonds
Five metal rods (Copper, Iron, Nickel, Tin and Zinc), at room temperature, of equal mass are place in a 100 oC water bath. Which metal will reach 80 oC first.
how many grams of silver chloride can be prepared by the reaction of 100.0 mL of 0.20 Moles silver nitrate with 100.0 mL 0.15 Moles calcium chloride. Calculate the concentrations of each ion remaining in solution after precipitation is complete.
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