HELP ME PLEASE IM SO LOST. Solve the correct value for the of reaction

4 Al2O3 (S) ——->+ 8 Al (s) + 6 02 (g)
ΔΗ =

0.25 I2 (g) + 0.25 H2 (g) -->0.50 HI g)
ΔΗ =


The pressure inside a hydrogen-filled container was 2.10 atm at 21 ? c. what would the pressure be if the container was heated to 92 ? c ?

How does the motion of particles in a gas change as the gas cools

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world