A student finds two unlabeled bottles room temperature that are either CO2 or H2. Based on their appearance alone how can they determine which substance is which. Do not answer with an activity that is more than looking at the bottles.

Which of the following statements is true about planck’s law

What happens to the temperature of a substance when the average kinetic energy of its particles increases?

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.