1.50 M solution of ammonium chloride was left in a beaker over spring break. Upon returning to the lab, 18.5 grams of solid ammonium chloride was left. We redissolved these crystals in water until we had 500.0 mL of solution. What was the concentration (molarity) of this new solution?

The wave shown on the electromagnetic spectrum disturb the medium it passes through a)different frequency. b)the same frequency .

Pls! plant cells and animal cells were observed under a microscope. the characteristics of two cells are listed below. cell p: does not capture sunlight cell q: has cytoplasm but no chloroplast which statement about the two cells is correct? cell q also has a cell wall. cell q also has large vacuole. cell p also has a large vacuole. cell p also has a cell membrane.

What does the cell nucleus do or, how does it function?