20.2 g of C3H8 are burned in the air. How many grams of CO2 are formed?

For which one of the following reactions is the value of δh° rxn equal to δh° f for the product? a. 2 h2 (g) + o2 (g) → 2 h2o (l) b. n2 (g) + o2 (g) → 2 no (g) c. 2 h2 (g) + o2 (g) → 2 h2o (g) d. h2o (l) + 1/2 o2 (g) → h2o2 (l) e. none of the above

You may expect bonds between two atoms which each have n covalent lonic metallic hydrogen

The diagram below shows the different phase transitions that occur in matter. which arrow represents the transition in which dew is formed?