Please tell Q 27 tuff-life for radioactive deQY of is 5730 years An
had only of the in a living t
the
, The rate constant for a first order reaction is
much time Will
initial concentration ofthe reactant to its 1 120071
first order reaction takes 40 min for CalQate 120081
first order reaction has a rate Constant .11 we begin
the reactant ,what concentration of the reactant will be left alter 120091
a-sucrose decomposes in acid solution into Ord«
rate law, with tl/2 z 3.00 hours. What fraction of sample of sucrose after II him?
ICBSE sample paper]
The decomposition of phosphine PH. proceeds according to the
6H2,It is found that the reaction follows rate reaction rate:KlPH'l The
secondsat 120•C (i)HOW much time is required of PHsto decompose? OiiWhat
fractjon of the original sample remains behind after i minute? 120101