To ensure that motivation is stirred in the best proportion for your clear understanding, a good number of quizzes and Objective tests like V-Brainer, V-Maths, Turbo Maths are organized to impart knowledge and reward the best performers with surprise gifts. Hours and Hours of Study with no fun, is a bad idea for you, foreseeing the long run. Vedantu is the first choice of students aspiring to score full marks in their ICSE and CBSE Board exams or to crack any competitive exam like IIT JEE (Mains & Advanced), Kishore Vaigyanik Protsahan Yojana (KVPY), National Talent Search Exam (NTSE), International Math Olympiad (IMO), International English Olympiad (IEO). Interactive approach establishes a well-deserved academic connect between you and Master Teachers. Sessions get recorded for you to access for quick revision later, just by a quick login to your account. Your academic progress report is shared during the Parents Teachers Meeting. Assignments, Regular Homeworks, Subjective & Objective Tests promote your regular practice of the topics. Revision notes and formula sheets are shared with you, for grasping the toughest concepts. WAVE platform encourages your Online engagement with the Master Teachers. We provide you year-long structured coaching classes for CBSE and ICSE Board & JEE and NEET entrance exam preparation at affordable tuition fees, with an exclusive session for clearing doubts, ensuring that neither you nor the topics remain unattended. We have grown leaps and bounds to be the best Online Tuition Website in India with immensely talented Vedantu Master Teachers, from the most reputed institutions. Vedantu LIVE Online Master Classes is an incredibly personalized tutoring platform for you, while you are staying at your home. One of the most important applications of half-life is carbon dating which determines the age of useful artifacts by studying their half-life period. Order of a reaction gives the relationship between the rate of reaction and the molar concentration of the species reacting, i.e., it is the exponent to which the concentration of any reactant in the law of rate of a reaction is raised.įor example, consider the reaction $xX+yY\to $ in the rate constant equation of respective reactions. The half-lives of radioactive isotopes have been found to range from a fraction of a second to 10 billion years. These factors will change the nuclide mass and the time it takes to attain this change. Half-lives can be very long and the material undergoes continuous disintegration and decay over its lifecycle.įactors Affecting Half-life and Radioactive DecayĮach radioactive isotope will have a unique half-life that is dependent on factors such as temperature, concentration etc. It can be seen that after the first half-life, only 50% of Co-60 is remaining, i.e., out of the initial 10g only 5 g is left behind. The half-life of a second-order reaction given by:The graph in the image above illustrates the percentage of radioactive Co-60 remaining after each half-life. The half-life of a second-order reaction is proportional to the square root of the rate constant. The rate of a second-order reaction is inversely proportional to the half-life. The half-life of a second-order reaction is inversely proportional to the rate constant. The rate of a second-order reaction given by: Where is the concentration of the reactant. He half-life of a second-order reaction given by: Where t 1/2 is the half-life, ln is the natural logarithm, and k is the reaction rate constant. The half-life can calculated using the following equation: The half-life of a second-order reaction is the time it takes for the reaction to reach half of its initial value. The reaction coordinate for this reaction is the transfer of an electron from one molecule of water to another molecule of water. This reaction catalyzed by the enzyme hydrogenase.
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