Una muestra del hidrocarburo C7H16 de 1,562 g se quema con exceso de oxígeno. ¿Qué masas de CO2 y H2O se deben obtener?

How are isotopes of the same chemical element alike? how are they different?

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.

Equal numbers of moles of he(g), ar(g), and ne(g) are placed in a glass vessel at room temperature. if the vessel has a pinhole-sized leak, which of the following will be true regarding the relative values of the partial pressures of the gases remaining in the vessel after some of the gas mixture has effused?