Which type of graph is used to track changes over and long periods of time 1. circle graph
2. line graph
3. bar graph

A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?

How does a large body of water, such as the ocean, influence climate?

Which of the following is in the lanthanide family? a) uranium b) promethium c) silver d) gold