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The standard width between rails on North American and most European railroads is 4 ft 8 in. Calculate this distance in meters and centimeters.
The equilibrium constant, Kc, for the following reaction is 1.29E-2 at 600 K: COCl2(g) CO(g) + Cl2(g) Calculate the equilibrium concentrations of reactant and products
Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.50 M B(aq) with 0.50 M HCl(aq).
A reagent bottle on the shelf labeled 0.5 M NaCl was used in place of the 0.5 M CaCl2. Assuming C2O42- to be in excess, what would be observed as a result of using this reagent in this test
Calculate the molality of methanol in a solution prepared by dissolving 75.0 mL methanol, CH3OH (density = 0.791 g/mL), in 150 g ethanol.
How are the princible of Le chatelier's used to increase the percentage yield in the production of ammonia in the haber process?
The electron is passed down an electron-transport chain, at the end of which NADP+ is reduced. The reduction potentials of P700+, A and NADP+ at pH7 and 25 oC are 0.490V, -0.900V, and -0.350V respectively.
What is the enthalpy change when 100g of water at 50degrees celsius turns into ice at -30 degrees celsius. Specific heat: Ice= 2.09 J/g * K, Water= 4.18 J/g * K, Steam= 1.84 J/g * K Water ?Hfusion= 6.01 KJ/mol and Hvaporization= 40.67 KJ/mol
The mixture of hot iron and aluminium is dropped into a beaker containing 100 g of water at 15 oC. What is the final temperature of the liquid water
solution has an osmotic pressure of 3.80torr at 35?C. What is the molar mass of the protein?
If the pressure of a gas is 39.18 atm in a piston, what is the final pressure, in atm, if the volume of the piston is multiplied by 4 at a constant temperature?
Draw the major organic substitution product(s) of the reaction. Indicate the stereochemistry at every stereocenter with a single wedged (up), hashed (down), or wavy (a mixture of up and down; either) bond.
If the sun is a distance of 1.5 x 108 km from Earth, how many minutes does it take sunlight to reach earth if light travels at 186,000 miles each second
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