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"Halogens are nonmetal elements located on the right side of the periodic table in Group 7. Halogens include the elements of florine, chlorine, bromine, iodine and astatine. Halogens have a negative 1 ...
"Half-life is the concept of time required for half of radioactive isotope’s nuclei to decay. The amount remaining is calculated as the (initial amount) (1/2) (# of 1/2 lives)^n in which the number of ...
"The strength of acids and bases depend on how much an acid or base ionizes in solution. A strong acid or base completely ionizes in solution. In a neutralization reaction, an acid and  a base react ...
Video Química
"Stoichiometry is the study of measuring or predicting the amount of reactants or products in a chemical reaction based on the variables such as the mass of reactants or products, the limiting reactan ...
Video Física
"States of matter are the different phases which matters can take - gas, liquid and solid. Gas has no fixed shape and conforms to the volume of its container. A liquid has a distinct volume but assume ...
Video Química
"Graham’s Law states that the rate of effusion for a gas is inversely proportional to the square root of its molar mass. " Fuente: BrightStormGraham's Law es un contenido didáctico (en inglés) de ©Bri ...
Video Química
"Gibbs Free Energy is a concept invented to create a thermodynamic relationship between enthalpy and entropy. It is most frequently used with the equation gibbs free energy = enthalpy - (entropy)(temp ...
Video Química
"Specific heat is the amount of heat required to raise one gram of any substance one degree Celsius or Kelvin. The formula for specific heat is the amount of heat absorbed or released = mass x specifi ...
"The gaseous state is one of the three phases of matte. Gases are obtained through vaporization from liquid and sublimation from solid. When a liquid vaporizes, it is often called boiling. Gases are t ...
"Fusion involves the combining of atomic nuclei. Atoms with mass numbers lower than 60 undergo fusion while atoms with higher mass numbers undergo fission. The energy needed to break one mole of nucle ...
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