Determine the molarity of a ba(oh)2 solution
Determine the molarity of a Ba(OH)2 solution if 24.55 mLwere needed to reach a phenolphthalein endpoint with a 0.5589gram sample of the primary standard KHP (204.23 g/mol). Ba(OH)2 + 2KHP --> 2H2O +Ba(KP)2
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In the Bohr model of hydrogen atom the electron moves in the circular orbit of radius 0.529*10^(-10) m around the proton. Supposing the orbital angular momentum of the electron is equivalent to h/2π. Compute
Determine the percent KHP (which is having 204.23 g.mol) in an unknown sample if 27.93 mL of 0.1265 M NaOH were needed to reach a phenolphthalein endpoint using a 1.4991 gram sample of unknown.
The rocket engine is then fired for 250 s while fuel is consumed at the rate of 480 kg/s. The speed of exhaust product relative to the rocket is around 3.20 km/s. i) Determine the rocket's thrust?
Determine the magnitude of the magnetic field 2.0cm from a wire which carries a current of 1.0A? Assume that the wire is perpendicular to this page and that the current is flowing to the page. Determine what would the direction of the field be dir
Determine the molarity of a Ba(OH)2 solution if 24.55 mLwere needed to reach a phenolphthalein endpoint with a 0.5589gram sample of the primary standard.
Determine the average rate of decomposition of cyclopropane during the above time intervals and explain why the average rates differ from the others?
When a titration curve was acquired by titrating 25ml boric acid solution with a 1M NaOH solution, answer the following by using the information given on the curve. Determine the concentration of the original boric acid solution?
Compute the amount of energy needed to escape from the surface of the given bodies, relative to that needed to escape from the surface of Earth.
Assume a population has a mean of 85 and a standard deviation of 20. Determine the probability of selecting a sample of size n=36 that has a mean between 86.2 and 89.6?
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