The keq for the equilibrium below is 7. 52 ⋅ 10-2 at 480. 0 °c. 2cl2 (g) + 2h2o (g) ⇌ 4hcl (g) + o2 (g) what is the value of keq at this temperature for the following reaction? hcl (g) + 1/2o2 (g) ⇌ 1/2cl2 (g) + 1/2h2o (g).

In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.

Which key skills does the sat writing and language section asses?

Layer r contains a well-known index fossil that is 100 million years old. based on this information and the principle of superposition, a. layers t and m are older than 100 million years, and layers x and g are younger than 100 million years. b. layers t, m, x, and g are all older than 100 million years. c. layers t and m are younger than 100 million years, and layers x and g are older than 100 million years.