What substances would be gases at 0 degrees celsius

The enthalpy of formation of water is -285.8 kj/mol. what can be inferred from this statement?

Non renewable resources like petroleum eventually

Acm ruler with main graduations from 1 to 10 from left to right there are 10 secondary graduations between each of the main graduations there is a line that begins. at the left end of the ruler 10 secondary graduations to the left of the “1 main graduation the right end of the line ends on the eighth secondary graduation to the right of 3 how long is the line