El octano es un componente de la gasolina y su combustión sucede en el motor de la mayoría de los automóviles 2C8H18+25O2-16CO2+18H2O ¿ cuántos moles de O2 reaccionan para obtener 10 moles de CO2? ​

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit

In the particles are arranged in a regular, repeating pattern. a)a crystalline liquid b)a crystalline solid c)all gases d)all solids

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.