Calculate AH for the reaction: C2H4 (g) + H2 (g) - CH. (g), from the following data.
a.
CzH. (g) + 3 O2 (g) →
-
2 CO2 (g) + 2 H2O (1)
AH = -1411. kJ
b.
C2H. (g) + 3% O2 (g)
- 2 CO2 (g) + 3 H20 (1)
AH = -1560. kJ
c.
H2 (g) + 12 02 (g)
H2O (1)
AH = -285.8 kJ

What does x represent in the formula for the compound xcl4?

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block

The diagrams to the right show the distribution and arrangement of gas particles in two different containers. according to kinetic-molecular theory, which of the following statements is true? check all that apply. if the temperatures of both containers are equal, container a has greater pressure than container b. if the volume of container a decreased, its pressure would decrease. if the pressure in both containers is equal, container a has a lower temperature than container b.