La couleur argentée dans les feux d’artifice est obtenue en réalisant la combustion de l’aluminium. Le produit
de la réaction est l’alumine Al
2
O
3(s)
.
On réalise en laboratoire la combustion de l’aluminium
Al
(s)
dans le dioxygène O
2(g)
pour les deux systèmes
suivants.

Aspecimen of oil having an initial volume of 580cm^3 is subjected to a pressure increase of 4.0 mpa, and the volume is found to decrease by 0.40 cm^3. (a) what is the bulk modulus of the material? (b) what is the compressibility of the material?

Match these items. 1. coulombs __force 2. ohms __emf 3. centimeters __resistance 4. newtons __charge 5. volts __length

10 points! will mark brainiest! in a heat engine if 1,000 j of heat enters the system and the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2,000 j 1: write the equation 2: list out your known variables 3: plug the numbers into the equations 4: solve 5: write your solution statement that includes initial energy and final energy added you so much!