A scientist had two substances. One was yellow one was colorless. When added a few drops of yellow to colorless why did it turn red

Ahypothrticalax type of ceramic material is known to have a density of 2.10 g/cm3 and a unit cell of cubic symmetry with a cell edge length of 0.57 nm. the atomic weights of the a and x elements are 28.5and 30.0 g/mol, respectively. on the basis of this information, which of the following crystal structures is (are) possible for this material: sodium chloride, cesium chloride, or zinc blende

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

Tell me the iupac name of the following compounds: