A mountain climber reaches one of the peak of Mount Everest, where the air pressure is 50 % of atmospheric pressure at ground level. Assuming the density of air as 1.23 g/cm3, calculate the height of the mountain peak.

What is i fracture in the crust called when land move up, down or sideways

The table lists the lattice energies of some compounds. compoundlattice energy (kj/mol)lif            –1,036licl            –853naf            –923kf            –821nacl            –786which statement about crystal lattice energy is  best  supported by the information in the table? the lattice energy increases as cations get smaller, as shown by lif and kf. the lattice energy increases as the cations get larger, as shown by lif and licl. the lattice energy decreases as cations get smaller, as shown by nacl and naf. the lattice energy decreases as the cations get smaller, as shown by naf and kf.

What is formed when amino acids form long chains or polymerize