Boiling-point<span> elevation describes the phenomenon that the </span>boiling point<span> of a liquid (a </span>solvent<span>) will be higher when another compound is added, meaning that a </span>solution has<span> a higher </span>boiling point<span> than </span>a pure solvent<span>. This happens whenever a non-volatile solute, such as a salt, is added to </span>a pure solvent<span>, such as water.
So the correct answer is C.</span>
C) This model describes the dissemination of electrons in protons as analogous to figs in the cooked plum pudding batter.
Answer: They all transmit energy
Explanation: Because they can all transfer energy, they can transmit it as well. Waves form because particles are disturbed by this transfer of energy.
Answer:
63.5474U.M.A. es la masa atómica promedio del cobre
Explanation:
La masa atómica promedio de un átomo es definida como la suma de las masas de los isótopos multiplicada por su abundancia. Para el caso del cobre que tiene dos isótopos:
Cu = Masa 65Cu*Abundancia + Masa 63Cu*Abundancia
Reemplazando con los valores dados en el problema:
Cu = 62.9298U.M.A.*0.6909 + 64.9278U.M.A.*0.3091
Cu = 63.5474U.M.A. es la masa atómica promedio del cobre
It all depends on the subject you’re are studying for. Different subjects require different methods of studying. For example, science. Try doing practice questions and practice tests. Go back to old tests and see what mistakes you made. Read your old notes. Make flash cards of practice questions. Create a study guide of everything that you have done so far. Do active recall.