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Covalent network solids typically have melting points and boiling points. the chemical formula of a network solid indicates in the molecule.

Which object forms when a supergiant runs out of fuel? a red giant a black hole a white dwarf a neutron star

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?