The half lives of 2 samples are 0.1 and 0.4 sec respectively. Their initial conc. are 200 `epsilon` 50 respectively. What is the order of the reaction?

The half life of two samples are 0.1 and 0.4 seconds. Their respective concentration are 200 and 50 respectively. What is the order of reaction

For a reaction RrarrP , half-life (t_(1//2)) is observed to be independent of the initial concentration of reactants. What is the order of the reaction ?

The lengths of a copper rod are 200.166 cm and 200.664 cm at 50^(@)C and 200^(@)C respectively. What is the coefficient of linear expansion of copper?

The Rates of a first order reaction after 10 and 20 min from initiation of the reaction are 0.04 and 0.03"mol. L"^(-1).s^(-1) respectively . Find the half - life of the reaction.

A mixture consists of two radioactive materials A_1 and A_2 with half-lives of 20 s and 10 s respectively. Initially the mixture has 40 g of A_1 of 160 g of A_2 . After what time of amount of the two in the mixture will become equal ?

The initial and the final temperature of an oll bath are (25 +0.1)^@ and (50+ 0.2)^@ respectively.What is the rise in temperature of the oll bath?

aA+bBrarr Products . In the reaction , initial concentrations of the reactants A and B are x and y mol.L^(-1) respectively and the initial reaction -rate is r_(0) . If x is doubled while y is held constant , then reaction -rate becomes 2r_(0) .If y is made four times its initial value while x is held constant. then reaction -rate becomes 2r_(0) . Which of the comments about this reaction -are correct-

The following graph shows how T_(1//2) (half-life) of a reactant R changes with the initial reactant concentration a_(0) . The order of the reaction will be: