Can some explain clearly how to determine the valence
Can some explain clearly how to determine the valence electrons of transitional metals and also their ions. for ex Mo, Mo2+, Ag, Pb. Pb2+. Confuse about what makes up their outer shell.
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A sequential circuit had on flip flop Q, two inputs x and y, and one output S. It consists of a full adder circuit connected to a D flip flop, derive the state table and state diagram of the sequential circuit.
A 10.0 mL solution of 0.300 M NH3 is titrated with a 0.100 M HCl solution. Calculate the pH after the addition of 20.0 mL of the HCl solution.
A gas mixture contains 2.50 mol of O2 and 3.00 mol of Ar. What is the molar specific heat at constant pressure for this mixture
Design a multi-stage audio amplifier for delivering an average power of 400 mW to a 16 Ohm speaker from a microphone that produces a 10 mV peak sinusoidal signal and has a source resistance of 1 kW. Use standard NPN QN2222 for your design.
you need to determine the density of an unknown liquid. to this end you perform an experiment with a block and notice that the block floats in this unknown liquid with 4.6 cm of its side submerged. determine the density of the unknown liquid
A Freon leak in the air-conditioning system of a large building releases 20kg of CHF2CL per month. If the leak were allowed to continue, how many kilograms of Cl would be emitted into the atmosphere each year
A student could either pull or push, at an angle of 30â?? from the horizontal, a 45kg crate on a horizontal surface, Calculate the minimum work required for both pulling and pushing
Consider a small car of mass 1188 kg and a large sport utility vehicle (SUV) of mass 4360 kg. Find the speed of the small car
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