SCIENTISTS CAN USE SPECTRA ANALYSIS OF STARS TO DETERMINE WHICH OF THE FOLLOWING? SELECT ALL THAT APPLY

SURFACE TEMPERATURE OF THE STAR
CORE TEMPERATURE OF STARS
ELEMENTS IN THE CORE OF THE STAR
ELEMENTS ON THE SURFACE OF THE STAR

Tell me the iupac names of the following alcohols:

4.25g sample of solid ammonium nitrate dissolves in 60.0g of water in a coffee-cup calorimeter, the temperature drops from 22.0 c to 16.9 c. assume that the specific heat of the solution is the same as that of pure water. calculate delta(h) (in kj/mol nh4no3) for the solution proces.

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold