How much more solute is needed to make a saturated solution of KNO3 at 50° C if you have 10 grams of KNO3 already dissolved in a solution?

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

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.

If an atom has 12 protons and 13 neutrons