What is the formula for potassium sulfide?

Need , hurry pls create a superhero out of the element iron, what are its powers and his sidekick ( an element that works well with iron). how was the superhero made and who discovered him

For part 1, describe the changes in the colors of the well, if any, as you go from well 1 to well 9—that is, as you go from the well with the least copper(ii) nitrate to the well with the most copper(ii) nitrate. which wells had the most distinct precipitate? for part 2, describe the changes in the colors of the well, if any, as you go from well 1 to well 9—that is, as you go from the well with the least iron(ii) sulfate to the well with the most iron(ii) sulfate. which wells had the most distinct precipitate? for part 3, describe the changes in the colors of the well, if any, as you go from well 1 to well 9—that is, as you go from the well with the least iron(iii) nitrate to the well with the most iron(iii) nitrate. which wells had the most distinct precipitate?

Instructions: the table below explains the average rate at which some geologic processes occur. calculate the amount of sea level change, erosion, and uplift for 100,000 years, 1,000,000 years, and 10,000,000 years. remember, 100 cm = 1 m. fill out the table completely and answer the below questions in complete sentences. for with completing the table, use this video: if you need directions on how to submit your assignment, click on the link due by sunday at midnight for full credit. if submitted late, you will receive a 30% grade deduction. check your pacing guide for assignment dates. process rate per 1,000 years after 100,000 years after 1,000,000 years after 10,000,000 years sea level changes 10 m 1000 10000 100000 regional erosion 2 m 200 2000 20000 uplift 10 cm 1. what is the fastest process, sea level changes, erosion, or uplift? 2. what is the slowest process, seal level changes, erosion, or uplift?