A truck has lost its brake and falls into a 25.0-meter deep ravine and lands at a distance of 30.0 meter from the edge of the ravine. Determine the initial horizontal velocity of the truck. HEELLL MEEE!!! (;´༎ຶٹ༎ຶ`)​

When balancing a chemical equation:

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 the oxidation state of each individual carbon atom in c2o42−?