Answer:
in a sold the particles are in a fixed position and can only vibrate on the spot but when it changes into a liquid the energy is used to weaken the bonds so there are weak forces of attraction between the particles, all particles are still touching each other but are now free to move around. Ina gas all the bonds are broken, the gas particles are free to move around anywhere and the more collisions there are, the more the pressure increases
Answer:Concentration is a measurement of the amount of solute that is dissolved in a given quantity of solvent; usually expressed as mol/L.
Explanation:
Take 82 grams and divide it by the gfm of water which is 18 g/mole...(82g)/(18.0g/mole)=4.555 -> the answer is 4.6 moles
Answer:
an atom or molecule with a net electric charge due to the loss or gain of one or more electrons
