You are given 230 grams of a substance with a half-life of 0.75 years. how much will remain after 3 years?

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 .

There are main groups in the modern periodic table of elements

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?