Classify each of the following as a pure substance or a mixture. If a mixture, indicate whether it is homogeneous or heterogeneo
1 answer:
You might be interested in
0.72 mole of oxygen would produce 320.4 kJ of heat.
<u>Explanation:</u>
CH₄ (g) + 2O₂ (g) → CO₂ (g) + 2H₂O (ℓ) + 890kJ
According to the equation,
2 moles of O₂ produces 890 kJ of heat
So, 0.72 moles of O₂ will produce:
Therefore, 0.72 mole of oxygen would produce 320.4 kJ of heat.
Answer:
The oxidation states are as follows:
+1 for each H, -2 for each O,
+4 for Se
Explanation: I hope this attachment helps!!
