Answer: B.)
Explanation: Heat flows from pan to sounroundings
Answer:
690 g IrI₃
Explanation:
To convert from moles to grams, you have to use the molar mass of the compound. The molar mass of IrI₃ is 572.92 g/mol. You use this as the unit converter in this equation:

Round to the lowest number of significant figures which is 2 to get 690 g IrI₃.
The substances Oxygen and Hydrogen are elements.
Answer:
which is 6160.506
Explanation:
32 grams of sulfur will contain 6.022 X 1023 sulfur atoms