At STP, how many liters of oxygen are required to react completely with 3.6 liters of hydrogen to form water? 2H2(g) + O2(g) ® 2H2O(g)

a) 3.6 L

b) 2.0 L

c) 2.4 L

d) 1.8 L

Needthe meter is the standard unit for: 1) height 2) length 3) weight 4) mass

What will most likely happen when two bromine atoms bond together?

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