How many kilojoules of heat are required to heat 1.94kg of water from 52.4 to 148.5?

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

The arrangement of particles is most ordered in a sample of

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.