What must be satisfied for a hypothesis to be useful

Which solutions most concentrated? 1) 0.1 mole of solute dissolved in 400 ml of solvent 2) 0.2 mole of solute dissolved in 300 ml of solvent 3) 0.3 mole of solute dissolved in 200 ml of solvent 4) 0.4 mole of solute dissolved in 100 ml of solvent

Wolves live in packs, hunt together, and usually have a leader called an alpha male or female. This is an example of which behavior? imprinting conditioning territorial imperative social hierarchy

Another name for losing electrons is ... accepting donating neither

3. variables that affect a living system

If the products formed from a burning candle are carbon (C), carbon dioxide (CO2), and water (H2O), what elements were in the reactants? carbon dioxide and water carbon and water carbon, carbon dioxide, and water carbon, hydrogen, and oxygen

The definition of volume is? a) width*height b) the space occupied by mass c) the space occupied by a liquid d) the mass of liquid required to fill a container

What is the empirical formula of a substance that is 53.5% C, 15.5% H, 31.1% N?

What is the lowest layer of the atmosphere and what is its highest altitude?

An atom that has 84 protons and 86 neutrons undergoes a reaction. At the end of the reaction, it has 82 protons and 84 neutrons. What happened to the atom?

A compound of material formed by a chemical is known as?