The valence shell holds up to two electrons in which 2 elements? a. h and c b. h and li c. h and he d. he and be

If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?

If the concentration of phosphate in the cytosol is 2.0 mm and the concentration of phosphate in the surrounding fluid is 0.1 mm, how could the cell increase the concentration of phosphate in the cytosol? a) passive transportb) diffusionc) active transportd) osmosise) facilitated diffusion

Describe what happens to the molecules as water goes from ice to liquid to vapor. be sure to explain what happens to the temperature during the phase changes.