4Al + 3O2 → 2Al2O3 How many grams of aluminum are required to produce 3.5 moles Al2O3 in the presence of excess O2?

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

Is 9 correct? and can someone me with 10? it’s due tomorrow, you

No copying 15 pts how does a free-body diagram tell you about the net force on an object?