Compare and contrast the retina’s two photoreceptor cells

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

The table describes how some substances were formed substance 19 description formed by boiling pure water formed by combining three hydrogen atoms to every nitrogen atom formed by adding 5 g of sugar to 1 l of water formed by compressing carbon under high pressure based on the given descriptions, which substance is most likely a mixture?

Is 9 correct? and can someone me with 10? it’s due tomorrow, you