Find out the concentrations of dissolved f- and la3+
Find out the concentrations of dissolved F- and La3+ are in equilibrium with solid LaF3 when the sensing element of a fluoride electrode is made of lanthanum trifluoride, LaF3.
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A continuous random variable X has a density of the form f(x) = Ce ^ - abs(x), defined on all of R. Find C
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Suppose the rope and pulley are mass-less and there is no friction in the pulley. If the masses are of 19.9 kg, compute their acceleration ‘a’ and the tension in the rope, T. Use g = 9.81 m/s^2
In a research study using a sample of 30 participants, the Pearson r correlation between X ans Y is +0.09 and is not statistically significant.
Explain why the 4s, 4p do, 4d, and 4f orbital have the same energy in hydrogen atom but they have different energies in many electron atoms?
A 1.60 m diameter current loop having 210 turns of wire is set up so that the field at the center is precisely equivalent to the earth's field in magnitude however opposite in direction. Determine the current in the current loop?
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