Help me out with those two letters pls

What are transitions between a liquid and gas called? identify which way they are transitioning

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride

Apush or pull that moves or changes and object when to objects touch