El monóxido de carbono puede reaccionar con el vapor de agua: Un recipiente de 1L cerrado contiene inicialmente 1 mol de CO y 1 mol de H2O. Se calienta hasta 1000 °C. Una vez alcanzado el equilibrio se tiene 0.558 mol de H2 y 0.558 mol de CO2. Calcula Kc

An observation that requires measurement is called quantitative observable or qualitative

Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.

Skills of homo sapiens were found an excavation. the skulls were preserved because the bodies were frozen. so, these fossils are (blank) fossils. the image shows the evolution of skulls beginning 2 to 3 million years ago. based on the image, modern human skulls(blank) ape skulls.