Which of the following is a device that breaks down light into colors and
produces an image of the spectrum,
which can help determine the chemical
composition of a star?
A. barometer
B. phonograph
C. spectograph
D. altimeter

Which statement describes both homogeneous mixtures and heterogeneous mixtures?

What is the molar mass of potassium nitrate, kno3

Predict the reactants of this chemical reaction. that is, fill in the left side of the chemical equation. be sure the equation you submit is balanced. (you can edit both sides of the equation to balance it, if you need to.) note: you are writing the molecular, and not the net ionic equation. > cacl2(aq) + h20(l)