How many moles of H2O will be produced from 15.5 moles of NH3 from the balanced equation below? (SHOW WORK) 4 NH3 + 3 O2 > 2 N2 + 6 H2O

Calculate the change in entropy if br2(l) is converted into gaseous br atoms. s° for br2(l) = 152.2 j/(mol•k) s° for br2(g) = 245.5 j/(mol•k) s° for br(g) = 175.0 j/(mol•k)

Determine the mass of fuel required for the expected energy consumption in the united states for the next ten years. energy use per person per year in the united states = 3.5 x 1011joules base calculations on current population of 310,000,000.

Nonmetal halogen family atmoic mass 35