Answer:
Caffeine
Explanation:
Caffeine is the world's most widely consumed additive chemical substance. But unlike other substances it is legal and not regulated under any jurisdiction
Its use has been almost doubled since 1980s. After Caffeine comes the rank of NCT a highly substance found in tobacco substances.
<span>A Helium nucleus is likely to be unstable if it has no neutrons because the remaining protons will repel electromagnetically and basically cause the atom to fall apart. The neutrons could have helped in holding everything together, and not make the protons repel.</span>
The unbalanced Equation is
electricity
KI (aq) + H2O (l) -------------> H2 (g) + I2(g) + KOH(aq)
<span>Exothermic reactions have a potential energy difference between the products and reactants that is negative. </span>