HURRY PLEASE The density of tin is 7.3 g/cm3 and aluminum is 2.7 g/cm3. What is true about the density of a tin can that is coated with aluminum

1. Their is not enough information to determine the density of a can

2. The density is between 2.8 g/cm3 and 7.3 g/cm3

3. The density is 7.3g

4. The density is 2.7g/cm3

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

Iwll give extra points to who gets this for ! what type of reaction is this? ?

If you burn 10 kilograms of wood in a fire (combustion) what is the weight of the products after the fire has finished burning the wood?