Use the word bank below to answer the questions that follow: chemical mixture heat capacity
homogeneous viscosity sublimation
physical property compound chemical formula
substance density mass
temperature pressure heterogeneous
A ___ is two or more substances that are together in the same place but are not chemically combined.
your answer goes here__

Astudent carefully transfers 30 g of water and 30 g of alcohol in a glass tube, forming two layers and filling the tube completely. after sealing the tube, the student mixes the solutions, and notices a bubble that forms in the tube. what is the mass of the contents in the glass tube after mixing?

What is true for a substance that releases energy

The picture represents the process that produces most of the energy used by living organisms on earth. which process is represented in the picture? a) the magnetic attraction between two hydrogen nuclei. b) the fusion of hydrogen nuclei to produce a helium nucleus in the core of the sun. c) the fission of hydrogen nuclei to produce a helium nucleus in the core of the sun. d) the chemical reaction between hydrogen nuclei to produce a helium nucleus in earth's atmosphere.