If 1 mole of hydrazine combusts into the presence of oxygen, how many molecules of water vapor are produced? A: 1.20×10^23 H2O molecules
B: 1.20×10^24 H2O molecules
C: 28g N2 molecules
D: 6.022×10^23 H2O molecules​

Asolution has a ca2+ concentration of 0.049 m and an f- concentration is 0.147 m at equilibrium. the value of ksp for caf2 at 25°c is 4.0 x 10-11. will this solution form a precipitate? yes no

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.

Define dew point. i am writing this part to be able to ask the question