A compound contains 13.645 grams of carbon and 36.355 grams of oxygen. What is the empirical formula of the compound?

What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.

Which is true of a liquid? it has a definite volume but not a definite mass.it has a definite mass but not a definite volume.it has a definite volume but not a definite shape.it has a definite shape but not a definite volume.