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Above is a potential energy curve of a reaction. It depicts conversion of reactant to product via transition state.
When a catalyst is added to the reaction system, energy barrier of reaction decreases.
It must be noted that energy barrier reaction is defined as energy difference between reactant and transition state.
In present case, energy of reactant is 200 kj, while that of transition state (in absence of catalyst) is 650 kj
Thus, energy barrier of reaction is 650 - 200 = 450 kj
<span>Hence, system must absorb 450 kj of energy for the reaction to start, if no catalyst was used</span>
Mees' lines are white bands that form across your fingernails and are one of the symptoms of carbon monoxide poisoning.
Mees' lines are a sign that the growth of your nails temporarily stopped at one point. There are many causes to Mees' lines, and usually it indicates a toxicity. Carbon monoxide, along with other substances like arsenic, and selenium poisoning may cause them.
The answer is hyperbaric medicine.
Hyperbaric medicine is a treatment in which is necessary a chamber with
pressure greater than sea level atmospheric pressure. Is intended to reduce the effects of systemic gas bubbles by reducing their size and lead to their
elimination.
