A 3.43-gram silicon dioxide sample reacted with 2.17 grams of solid carbon. The products of this reaction were silicon carbide and carbon monoxide gas. According to the law of conservation of mass, what is the combined mass of silicon carbide and carbon monoxide gas that should be formed? A. 5.60 grams B. 3.43 grams C. 2.17 grams D. 0.00 grams

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.