Which of these properties is a physical property of aluminum?

a.
aluminum rusts when it is exposed to moisture and air.

b.
aluminum is a good conductor of heat.

c.
aluminum reacts with oxygen to form aluminum oxide.

d.
aluminum reacts with hydrochloric acid to give off aluminum chloride and hydrogen gas.

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

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.