2503 (g) → 2502 (g) O2 (g)

Calculate Keq for this reaction if the equilibrium concentrations are:

[SO2] = 0.42M, [O2] = 0.21M, [SO3] = 0.072M

If the pH value was 3.6, what is the [H+]? 2.5 x 10-4 4.0 x 103

Which of the following factors drives all the weather on Earth, including large-scale storms and local weather systems? The Coriolis effect curves the motion of wind due to the Earth's rotation.

How many moles in 43 liters of co2 at stp?

What is the difference between the strength of an acid and concentration

Which of these is the lowest subgroup? kingdom, order, genus, or species.

The Florida maple tree is flowering plant. The Florida long leaf pine tree is nonflowering plant. Both trees go through various stages in their life cycles. Which stage is found in the life cycles of both?

The number of different bond angles for the most polar isomer of Pbr2F3 is? A. 7 B. 6 C. 5 D. 8

What is an example of a chemical change? A. water evaporating from a puddle B. cloth tearing when pulled C. wood forming sawdust when cut D. bread baking in an oven

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Choose the correct equation to represent the following statement (unbalanced chemical equation) : ethane reacts with oxygen to yield carbon dioxide and liquid water. a. c2h6 ( g. o2 ( g. co2 (l) h2o ( g. b. c2h6 ( g. o2 ( g. co2 ( g. h2o (l) c.