The attraction between the hydrogen end of one water molecule and the oxygen end of another water molecule is called .
Group of answer choices

a hydrogen bond

a polar covalent bond

an ionic bond

a nonpolar covalent bond

Avariable that is not being directly tested during an experiment should be

The molecular weight of carbon dioxide, co2, is 44.00 amu, and the molecular weight of nitrous dioxide, no2, is 46.01 amu, so no2 diffuses co2

Use the drop-down menus to label each of the following changes p for physical change and c for chemical change. the substance changes to a new substance. the original substance can be recovered. the color changes. gas is produced and given off. the substance changes size, shape, or volume.