4kmno4=2k2o+4mno+4o2 does this support the law of conservation of mass

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

In the following redox reaction which is the oxidizing agent and which is the reducing agent? alcl3 + na nacl + al

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.