Opposite ends of a molecule have opposite charges due to a difference of electronegativity.
When hydrogen bonds hold a substance together.
The clinging of one substance to another.
A measure of how difficult it is to stretch or break the surface of a liquid.
A measure of the total amount of kinetic energy due to molecular motion in a body of matter.
Measures the intensity of heat due to the average kinetic energy of the molecules.
The amount of heat that must be absorbed or lost for 1 g of that substance to change its temperature by 1 degree C.
Specific heat of water
1 cal/g/degree C
Heat of vaporization
The quantity of heat a liquid must absorb for 1 g of it to be converted from the liquid to a gas.
water's heat of vaporization
540 cal/g at 100 degrees Celcius.
What is the solvent of life?
A solution in which water is the solvent.
Any substance that has an affinity for water.
A substance that is nonionic and nonpolar that actually seems to repel water.
Hydroxide group structure?
A substance that increases the hydrogen ion concentration of a solution.
A substance that reduces the hydrogen ion concentration of a solution.
A substance that minimizes change in the concentrations of H⁺ and OH⁻ in a solution.
The attraction of electrons to an atom.
Heat of fusion
A substance goes from a liquid to a solid
Water's heat of fusion?
80 cal/g at 0°C