What is a mixture? 1. a combination of elements to make a new substance

2. a chemically combined substance

3. a combination of substances where new substances are formed through a reaction

4. a combination of substances in which the atoms of the substance do not chemically combine

What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance

Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?

How does climate change cause the ocean's thermohaline current to slow down?