Draw the alkene formed when 1‑heptyne or hept‑1‑yne is treated with hbr in the presence of peroxide.

If a substance is not at its melting or boiling point, as the heat content of a sample of matter increases, its temperature increases the number of intermolecular bonds decreases the space between particles increases the particles move faster

Which part of earth’s surface receives the most direct rays from the sun? a) equator b) ocean c) poles d) mountains

Which compound contain an iron with a 3+ charge