CBSE Class 12-science - Temperature Dependence of Reaction Videos

• the half life span of a radioactive element is 10 years .in no. will 10 gram of that substances remain 1•25 gram
• what is the formula for effect of temperature on rate of reaction?
• Define activation energy.
• What is the effect of a catalyst on the equilibrium constant of a reaction?
• What is temperature coefficient? Explain
• Define transition state or activation complex.
• The activation energy for a reaction is zero. Calculate the value of its rate constant at 300 K, if k = 1.6 x 10⁶ s^-1 at 280 K? (R = 8.31 JK^-1 Mol^-1)
• Draw a graph to show the various energy changes that take place in the following reaction: H_{2 (g)} + I_{2 (g)}     2HI _(g)
• Explain why the activation energy of a reaction can never be zero.
• The rate constant for the first order decomposition of certain reaction is described by the equation log k (sec^-1) = Calculate the activation energy for this reaction.

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