This is equivalent to about 2.15 megatons of TNT, which is more than 100 times the energy of the atomic bomb dropped on Hiroshima in 1945. The energy released by this reaction will create a huge fireball and a shockwave that will destroy the chamber and everything within a large radius. The gamma rays and other subatomic particles will also cause severe radiation damage to any living beings nearby. An observer who is 1 km away from the chamber will see a bright flash of light followed by a loud boom and a mushroom cloud rising from the ground. They will also feel a strong blast wave that can knock them off their feet and shatter windows and buildings. They will also be exposed to a high dose of radiation that can cause acute radiation sickness or death. In conclusion, dropping an anti-matter apple in a vacuum chamber made of titanium would result in a massive explosion that would obliterate everything within several kilometers and cause severe radiation damage to anyone who survives. It would be a very bad idea to do such an experiment. (shocked emoji)
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