Balance the following chemical equation

________ N2 + ________ H2 ? ________ NH3

A) 1, 3, 2
B) 1, 2, 3
C) 3, 2, 1
D) 2, 6, 4
E) 1/2, 3/2, 1


Answer: A

Physics & Space Science

You might also like to view...

A pendulum bob of mass m is set into motion in a circular path in a horizontal plane as shown in the figure. The square of the angular momentum of the bob about the vertical axis through the point P is

A. m2gl3 sin4?/cos ? B. m2gl3 sin3?/cos ? C. m2gl3 sin2?/cos ? D. m2gl3 sin ?/cos ? E. m2gl3 sin2?

Physics & Space Science

The orbit of the Solar System around the Galaxy is similar to that of a planet, almost circular and in the galactic plane

Indicate whether the statement is true or false

Physics & Space Science

You have available a galvanometer that gives a full-scale deflection for a 333-?A current and has a coil resistance of 33 ?

(a) What shunt resistance is needed to convert this galvanometer to a 5.0-A ammeter? (b) What series resistance is needed to convert this galvanometer to a 5.0-V voltmeter?

Physics & Space Science

If the internal temperature of the sun is 15 x 106 K, what is the average kinetic energy of protons in this environment?

A) 0.040 eV B) 1.3 keV C) 1.9 keV D) 1.3 MeV E) 1.9 MeV

Physics & Space Science