C. Balance these fossil-fuel combustion reactions. C 8 H 18 (g)+12.5O 2 (g)—> __CO 2 (g)+9H 2 O(g)+heat

Identify one disadvantage to each of the following models of electron configuration: dot structures arrow and line diagrams written electron configurations type in your answer below.

If two objects at different te,peraure are in contact with each other what happens to their temperature

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?