Why would silicon be a possible basis for alien life?
why do you think silicon isn’t as “prolific” in its known molecules as carbon?
what advantages and disadvantages can you imagine silicon-based molecules might have over carbon-based molecules in a very different otherworldly environment?

Molecular iodine, i2(g), dissociates into iodine atoms at 625 k with a first-order rate constant of 0.271 s−1. part a part complete what is the half-life for this reaction?

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?

Someone do this for me. im really stuck