Answer:
C
Explanation:
The concept behind, is mole ratio of Al:FeO
Group 6 elements usually have extra electrons to make give them an octet. So, they have 6 electrons to start and when they have an octet, they have 8.
We can find the charge by doing simple math 6 - 8 = -2
Answer is D)
9.0 grams will produce 11 L of hydrogen
Mole number of 75 g is 0.4 mol. NO2 is 0.8 mol and is 36.8 g.
Out of the following choices, the additional energy required for reactions to occur spontaneously is called the Eact or the Energy of Activation.