Question 4 4 pts

The reaction: Al(s) + O2(g)
-->
Al2O3(s) is exothermic
1) For
H200
33.15
equilib
Which of the following lists two ways this reaction at equilibrium
could have less products present at equilibrium.

What are the chemical names of these compounds? ke: mg3n2: reset next

Consider the reaction: 2al(s) + fe2o3(s) → al2o3(s) + 2fe(s) the δhf for fe2o3(s) = -824.3 kj/mole. the δhf for al2o3(s) = -1675.7 kj/mole. finish the equation. δhrxn = [(1)( kj/mole) + (2)( kj/mole)] - [(1)( kj/mole) + (2) ( kj/mole)]

Which statement is true about the model of the electromagnetic spectrum a: it change the frequencies of light. b: it compare wavelengths of light. c: the color of light waves can be changed using the model. d: the intensities of light waves can be decreased using the model.