Although venus is like earth it is too cold to maintain life. true or false?

Does anyone know a lot about how to: - calculate mass of magnesium metal - calculate the actual yield of magnesium oxide - calculate the theoretical yield of mgo - calculate the percent yield of mgo - determine the percent yield of mgo - determine the average percent yield of mgo i had to do an online lab and its asking these questions but i have no idea where to start or how to be able to find these things. i can post the chart of the data from the lab or if you can tell me exactly how i can find each.

Using the periodic table, complete the table to describe each atom. type in your answers

Which statement describes the phase change that occurs when dry ice is placed in an open container at room temperature?