4 NH3 + 5 O2 ---> 4 NO + 6 H2O How many mol NH3 are needed to react with 112 liters of O2 gas at STP?

A 68
B 4
C 106.3
D n/a

Look at the bean data from days 4–6. use these data to explain how natural selection changed the number of dark red walking beans over time. writing part

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.