Would a coke bottle burst on Venus and turn into gas?

The answer is yes.

The atmospheric pressure on Venus is 92 times that on Earth. This immense pressure would cause the carbon dioxide gas in the soda to dissolve into the liquid. As the soda is opened, the pressure would be released and the carbon dioxide gas would rapidly come out of the solution, causing the bottle to burst. The soda would then turn into gas and mix with the atmosphere of Venus.