Which of these was most important in forming the solar system

A-darkness

B-evaporation

C-cooling

D-gravity

What type of compounds are compared in the law of multiple proportions

A compound containing only C, H, and O, was extracted from the bark of the sassafras tree. The combustion of 46.3 mg produced 126 mg of CO2 and 25.7 mg of H2O. The molar mass of the compound was 162 g/mol.

What to do if carbon monoxide alarm is going off

What is the total number of valence electrons in an atom of germanium in the ground state? (1) 8 (3) 14 (2) 2 (4) 4

The strength of an atom's attraction for the electrons in a chemical bond is the atom's?

What problem would unlimited cell growth pose for a cell

Complete the following analogy. Homogeneous is to soluble particles as heterogeneous is to A. solute particles. B. solvent particles. C. insoluble particles.

Water vapor will condense, turn into a liquid, first on the outside surface of which glass

How many moles of oxygen are needed to make 6.50 moles of magnesium oxide?

Which of the following happens during a chemical change? Check all of the boxes that apply. One atom or more changes into atoms of another element. New substances with different properties are formed. Solids, liquids, or gases may form.