How can determine the hydronium ion concentration
Determine the hydronium ion concentration and the pH when the 50.0mL of 0.40M NH3 is mixed with 50.0 mL of 0.40M HCl. Show the equation for the reaction in terms of the hydronium ion.
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The Cylinder of mass 20 lbs, radius 5in and height 10in is spinning about the axis of symmetry (central axis) at 200 rpms. Determine torque needed to stop it from spinning?
Calculate the mass of NO2 in the final equilibrium equation when 50.0g of N2O4 is added to an evacuated 2.00L vessel and allowed to come to equilibrium with its decomposition product, N2O4(g) <-> 2N
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Assume that phone company reports that the average duration of a cell phone call is 1.7 minutes, with a standard deviation of 1.4 minutes.
Determine the longest wavelength of light that can be emitted by a transition that ends at E4 for a doubly ionized lithium ion? Discuss how do you calculate for the shortest wavelength?
What fraction of the radioactive iodine would remain after7.0 days? A solution of sodium iodide containing radioactive 131 I was given to a patient to test for a malfunctioning of the thyroid gland. Where the half life of 131 I is 8.07 days.
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The falling object satisfies given equation: dv/dt=9.8-(v/5) v(0)=0. Determine the time which should elapse for object to reach 98% of its limiting velocity.
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