A 1.5 L sample of 2.0 M Calcium Iodide is added to a 875 mL sample of 0.75 M Lead (II) Nitrate. How many moles of Lead (II) Nitrate are in the solution?

What is the molecular formula for a compound that is 46.16% carbon, 5.16% hydrogen, and 48.68% fluorine? the molar mass of the compound is 156.12 g/mol

What are the similarities of physical and chemical change ?

Astring vibrates with a frequency of 10 hz. why can't a person hear the sound waves produced by the vibrating string, no matter how large the amplitude of the waves? out! this is homework and due tomorrow! you so much!