3H2+Fe2O3→2Fe+3H2O How many moles of iron will be produced if 3.3mol of hydrogen gas reacts with 1.5mol of iron oxide?

When a comet collides with earth, it adds material to our planet and causes great damage. therefore, a collision like this is a a. destructive force b. constructive force c. geologic process and event d. constructive and destructive force

Which of these conditions most likely produces an unstable isotope?

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)