another name for the law of definite proportions
what is "Proust's law" ?
Henry Cavendish referred to hydrogen by this name
what is "phlogiston" ?
what Bohr's model of an atom can best be compared to
what is a "solar system" ?
the main difference between diffusion and effusion
what is the "size of the opening of the container" ?
the most common way of increasing reaction rates
what is "increasing temperatures" ?
the most recent definition of a mole is based on an isotope of this element
what is carbon ?
the metal that is plated onto surgical instruments and sterling silver
what is platinum ?
the process of measuring changes in enthalpy
what is calorimetry ?
the term that describes water's ability to be an acid or base depending on the situation
what is "amphoteric" ?
The result of a change in a molecule's momentum
what is "force on the container wall" ?
a substance that behaves as both a liquid and a gas
what is supercritical ?
the term for the idea that molecules are always shifting phases
the type of attraction that creates the physical properties, such as the boiling point, of a substance
what are intermolecular forces ?
the reason why atomic radius increases down a group
what is "increasing distance" ?
batteries are powered by these kinds of reactions
what are "oxidation-reduction reactions" ?
the name of a solution in which the solvent is a nonpolar substance
what is an organic solution ?
the change the occurs during alpha decay
what is "a helium nucleus is lost" ?
the observation that matter has both mass and wave properties provides the basis for this model
what is the quantum mechanical model ?
neutral salts are formed from reactions between these two kinds of solutions
what is "a strong acid and a strong base" ?
the type of order that liquids have
what is "long-range order" ?
chemists developed this concept when the interactions of some atomic orbitals did not predict the correct molecular shape
what is hybridization ?
the method that Joseph Priestley used that led to his discovery of oxygen
what is "heating a sample of mercuric oxide" ?
the scientist that first determined Avogadro's number
who is Jean Baptiste Perrin ?
the order of the states of matter (solid, liquid, gas, solution) from lowest to highest entropy
what is "solid, liquid, solution, gas" ?
these two scientists established their model of DNA based on X-ray studies
who are James Watson and Francis Crick ?