(kco3s+ ∆→kcl s o2g) es exotérmica o endotermica?
justifica tu respuesta.​

Abullet found at a crime scene may be used as evidence in a trial if the percentage of metals match to the composition of metals in a bullet from the suspect's ammunition. a forensic scientist's analysis of the bullet shows that it contains 11.9 g of lead, 0.5 g of tin, and 0.8 b of antimony. what is the percentage of lead metal in the bullet? express your answers to the one's place.

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro