Put the mixture in water, the pebbles will sink, the pepper will float, and the sugar will dissolve
If the enthalpy change is negative, then the reaction is exothermic because heat energy was lost to the surroundings.
If the enthalpy change was positive, then the reaction was endothermic because heat energy was gained from the surroundings!
Hope this helps!! x
Answer:
Al2O3 + 6HCl --> 2AlCl3 + 3H2O
Explanation:
Al: 2
O: 3
H: 6
Cl: 6
Balanced on both sides.
Answer:
Explanation:
assuming there is no friction
fnet=ma
2,000 kg*3m/s=6,000 N
