A sample of ammonia gas occupies a volume of 2.23 L at 20°C and a pressure of 0.875 atm. What volume will the sample occupy at 1.50 atm and 10°C? (K = °C +273)

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.

Which common material is an example of a polymer? (25 pts) a. steel b. plastic c. petroleum d. rubbing alcohol

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?