Calculate the formal concentration of a sodium
Calculate the formal concentration of a sodium acetate solution prepared by diluting 45.0 mL of a solution containing 10.8 ppm sodium acetate(NaC2H3O2) to a total of 0.500liters of solution.
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The thermal decomposition of N2O5 obeys first order kinetics.At 273K, a plot of ln[N2O5] vs. t gives a slope of -5.34 x10^-3 min^-1. What is the half life of the reaction?
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A cannonball is fired from the ground at the angle of 60 degree with an initial velocity of 200m/s/ what is thee maximum height reached by the cannonball?how far will the cannonball travel retunning to the ground.
If this is accomplised using a series of He-Ne lasers with wavelength=633 nm. What is the speed of the spaceship after one year?
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