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A 65 kg man is on ice skates. The skates blades have a total contact area of 2.0 cm^2. How much pressure does the man exert on the ice?
Calculate the volume of 6m NaOH required to react completely with 1.50 g Methyl salicylate. How much of the 6M NaOH that was used was in excess of the theoretical amount? Used 15ml NaOH
Calculate the minimum number of photons, n, needed to make the reduction of 2 moles of NADP favorable for light absorbed at 6.80 × 102 nm. Assume that the amount of energy needed for the reduction of one mole of NADP to be favorable must exceed 21..
calculate the percent yield based upon the amount of maleic anhydride used. use the molecular weight of one repeating monomer unit for the weight of the product.
Determine the concentration of a solution of Mg(NO3)2 given the precipitate formed is 2.97 g and there are 50mL of Mg(NO3)2 and 50 mL of NaOH. Please show all work for each step clearly
Calculate DeltaG °rxn. c) In which direction is the reaction, as written, spontaneous at 25 °C and standard pressure?
A ground state hydrogen atom absorbs a photon of light having a wavelength of 92.61 nm. It then gives off a photon having a wavelength of 950 nm. What is the final state of the hydrogen atom
When 9 mL of a solution containing 2.5 M AlBr3 is diluted to 33 mL, a dilute solution is formed. What is the Br- concentration in 20 mL of the dilute solution.
What mass of silver chloride would be formed from mixing 250 mL of 0.240 M MgCl2 solution with 200 mL of 0.380 M AgNO3 solution? AgCl FWT = 143.32 g/mol
If E degree cell=-0.51V for the reaction below at 25 degree C, what is the value of the equilibrium constant at this temperature.
Which of the following has the lowest value of absolute entropy per mole? Conditions are as defined in each case.
What are the various uses of radioactivity in healthcare? What are the future trends in healthcare with respect to the use of radioactivity?
The difference between a law and a theory is the difference between what and why. Explain.
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