Consider RbOHR*+ OH- and the following information. Hut= -765,01 kJ/mol
Hnyde of Rb-315.2 kJ/mol
Hnyde of oh- = -532.7 kJ/mol
What is the Hsor rounded to the correct number of significant figures? Use Hool= - Hiat+ Hnydr.
0-1,612.91 kJ/mol
0-1,612.9 kJ/mol
82.9 kJ/mol
082.89 kJ/mol

Which of the following is most likely true about water in chemical systems? a) water dissolves nonpolar ionic compounds. b) water dissociates ionic compounds. c) water dissociates covalent molecules. d) water dissolves nonpolar covalent substances.

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.

All of the following are homogeneous mixtures except a) sugar dissolved in water. b) orange juice. c) coffee with cream. d) household vinegar. e) apple juice