What element s a halgen gas with a mass les than 19

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 .

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

Convert .347 kilometers to miles show your work