You go to a jewelry store to buy a gold chain. The chain is $2,000. You want to make sure you are getting a good deal so you decided to use what you know about physical properties and density. You get the mass of the chain as 10g and the volume is 5mL. Is this a good deal or is the owner ripping you off? (Gold has a density of 19.32g/mL)

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 .

Apiece of copper has a temperature of 75.6 0c. when the metal is placed in 100.0 grams of water at 19.1 0c, the temperature rises by 5.5 0c. what is the mass of the metal?

How are isotopes of the same element alike?