A) ¿Cambia nuestro peso cuando corremos o saltamos? b) ¿Explica brevemente cuáles son los tipos de fuerzas que existen en la Tierra?, ¿existirán en otros planetas? c) ¿Cambia nuestro peso cuando el ascensor en que nos encontramos inicia el ascenso o el descenso? d) ¿En cuáles ejemplos se logra evidenciar CADA TIPO DE FUERZA? Revisa los PPT anteriores

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

How many absorptions would you expect to observe in the 13c nmr spectra of the following molecules? a) 3-chloropentane b) cis-4-methyl-2-pentene

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.