When mixing 5.00 mL of an AgNO3 0.0200 molL-1 solution with 20.00 of a solution of NH3 0.540 molL-1, the ag(NH3)2+ complex is forming. The concentration of Ag+ ions in molL-1 after the reaction reaches equilibrium shall be: Data: log β2 = 7.1

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

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Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.