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I know that many chemistry students who come to me for tutoring are to the point where they are already struggling and are far along in the class, so I try to teach the basics as Im working through the more advanced material such as thermodynamics, kinetics, equilibrium, acids and bases, coordination chemistry, nuclear chemistry, organic chemistry, etc. However, I note that there is no beginning or ending amount given.How am I supposed to figure out what the decay constant is?If possible, the ink should be tested, since a recent forgery would use recently-made ink. After you agree to the price we will send you a bill in your email that can be paid by Pay Pal or Credit card. Please DO NOT send us credit card info, please pay at the Pay Pal link we send you.