How do you read these equations? how do you find the answers asked for?

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .

All cells are made of four types of acids, lipids, proteins, and carbohydrates.

Particles vibrate in a rigid structure and do not move relative to their neighbors.