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The rate at which a substance reacts is proportional to its active mass and the rate of a chemical reaction is proportional to the product of active masses of the reacting substances. This is the
Chemical potential (an intensive property) of a substance is a force that drives the chemical system to equilibrium and is equal to its partial molar properties. The reatio of chemical potential to free energy of a pure substance at oconstant temperature and pressure is
The half life period of a radioactive substance is best determined by counting the number of alpha particles emitted per second in a Geiger Muller counter from its known quantity. If the half life period of a radioactive substance is one month, then
একটি কণা t = 0 সময়ে স্থির অবস্থা থেকে যাত্রা শুরু করে। কণাটির ওপর প্রযুক্ত লব্ধি বল, সময় t এর সমানুপাতিক। কণাটির গতিশক্তি নিচের কোনটির সমানুপাতিক হবে? (A particle starts from rest at t = 0. The net force acting on the particle is proportional to time t. Its kinetic energy is proportional to which one of the following?)
Thermal diffusivity of a substance is proportional to (where, k = Thermal conductivity)
The chemical potential for a pure substance is __________ its partial molal free energy.
If A varies directly proportional to C and B also varies directly proportional to C, which one of the following is not correct ?
Catalyst is a substance, which __________ chemical reaction.
The chemical substance present in bones and teeth is
Study of the effects of toxic chemical substance on animal and plant is