Minimum photon energy needed to create pair
What is the minimum photon energy needed to create and e- -e+ pair when a photon collides (a)with a free electron at rest and (b) with a free proton at rest?
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If you add 5.0mL of 0.5 M NaOH solution to 20.0 mL each of Buffer B( initial pH of Buffer B is 3.92), andBuffer C, Which buffer's pH would change less? explain
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