Using a bunsen burner, Melina heats a 12.50 g sample of a hydrate iridium (II) bromide in a large crucible to drive off all the associated water. After removing all the water, the mass of the anhydrous salt was 10.72 g. What is the empirical formula for the hydrate?

c. heat could easily travel through the molecules in the air and escape/enter the flask. removing the air slows down the heat transfer.  

honesty and integrity.

inspire others.

commitment and passion.

good communicator.

decision-making capabilities.

accountability.

delegation and empowerment.

creativity and innovation.

here are the traits of a good leader.i'm not going to give you the examples so you can copy right it.that's illegal but i hope that this you out.

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.