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Determine the functional form of Phi(t) and the frequency of a pendulum bob whose mass is m and is attached to a massess rod of length l. Assume that the bob oscillates in the limit of small oscillations. Start with ml(second derivative of phi with respect to t)=F and the following initial conditions t=0, phi=chi derivative of phi with respect to t=0.
The solubility of the ionic compound M2X3, having a molar mass of 205 g/mol, is 3.16 10-7 g/L. Calculate the Ksp of the compound.
Which of the following observations is the strongest argument that in favor of the hypothesis that protein structure and function are related?
if molarity of a 2000ml solution is 4.0M NaCl, how many moles of NaCl are dissolved in that solution.
At high temperatures, ammonia can react with oxygen according to the following unbalanced reaction: NH3 + O2 ---> NO + H2O If 5.76 moles of NH3 react with 12.2 moles of oxygen
What is the balanced chemical equation for the reaction used to calculate Delta H f of SrCO3(s) ? If fractional coefficients are required, enter them as a fraction
E1 mechanisms a little clearer? maybe make a chart with simmilarities and differences and how to know which one is which?
What is the hydronium-ion concentration of a 5.23 10-4 M solution of p-bromobenzoic acid, BrC6H4COOH, for which Ka = 1.00 10-4
Calculate the equilibrium concentrations of CH3Cl, CH3OH, OH and Cl in a solution prepared by mixing equal volumes of 0.1M CH3Cl and 0.5M NaOH . In defining x , assume that the reaction goes 100% to completion, and then take account of a small amo..
In 1.00 atm of pure oxygen, the solubility of O2(g) in water is 1.26 x 10^-3 M at 25.0 degree C. The mole fraction of oxygen in air is 0.210. If the atmospheric pressure is 0.979 atm, what is the solubility of oxygen in air at 25.0 degree C?
nh3 is kept in a cylinder with a movable piston at the temperature of 25 degree celcius and the pressure of 2.50 atm
In a study of hydrogen halide decomposition, 0.200mol hydrogen iodide is placed in a 2.00L flask and the temperature raised to 4530C. At equilibrium, [HI] = 0.078M. Calculate Kc.
Calculate the expansion work done against a constant external pressure of 0.991 atm and at a constant temperature of 18°C. Assume that the initial volume of dry ice is negligible and that CO2 behaves like an ideal gas.
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