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Presuming that the smallest measurable wavelength in an experiment is 0.990 fm femtometers, explain what is the maximum mass of an object traveling at 773 m•s-1 for which the de Broglie wavelength is observable?
a solution made from 6.50g of an unknown compound in 27.8g of diphenyl has a molality of .195m. Calculate the molar mass of the unknown.
Consider the following cell: Pt|H2(g, 0.670 atm)|H (aq, ? M)||Ag (aq, 1.00 M)|Ag(s) If the measured cell potential is 1.15 V at 25 °C and the standard reduction potential of the Ag /Ag half-reaction couple is 0.80 V, calculate the hydrogen ion con..
methane and air in stoichiometric proportions are brought into a calorimeter at 500k. the product compositions is
A 25.00mL sample of 0.1966 M V2+ solution requires 48.97 mL of .3000 M Ce4+ for titration. The Ce4+ is converted to CE3+ in the titration reaction. What is the oxidation number for vanadium ion after the titratoin is complete
suppose 50.0 ml of 0.250 m cocl2 solution is added to. 25.0 ml of 0.350 m nicl2 solution. calculate the concentration
a basketball is inflated to a pressure of 1.90 atm in a 24.0degc garage. what is the pressure of the basketball outside
this is a post lab question: you did not correct for the barometric pressure for the vapor pressure of water. what happens to your calculations
How do cells maintain a high regulation of cometing anabolic pathways, especially using glycolysis and gluconeogenesis
Benzene, phenol and benzaldehyde. Which of these would you predict to be the most reactive toward an electrophile? Briefly explain.
A solution is prepared by adding 0.1M acetic acid and 0.01 M ethylamine to water and adjusting the pH to 7.4. What is the ratio of acetate to acetic acid. WHat is the ratio of ethylamine to ethylammonium ion
Hardness in groundwater is due to the presence of metal ions, primarily Mg2 and Ca2 . Hardness is generally reported as ppm CaCO3 or mmol/L Ca2
Calculate teh energy absorbed in (kJ/mol) by a carbon dioxdie molecule that has absorbed a single photon of Thermal IR light having wavelength of 15 micrometers.
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