Don't touch your eyes.
Never taste-test unless the teacher tells you to.
Do not touch anything without directions.
Wear safety goggles.
Wash your hands after each experiment.
Wear proper lab clothes.
Do not mishandle lab equipment.
Clean up your workplace.
Act serious; no horseplay!
Report accidents to the teacher right away!
Have a great day, scholar!
Explanation:
Because a large amount of energy is required to break the strong inter-ionic attraction.
CaS => Ca2+ & S2-
Answer:
52.5 mol O2
Explanation:
4 FeCl3 + 6 O2 -> 2 Fe2O3 +6 Cl2
4 mol FeCl3 -> 6 mol O2
35.0 mol FeCl3 -> x
x= (35.0 mol FeCl3 * 6 mol O2)/4 mol FeCl3
x=52.5 mol O2
Explanation:
sodium atom is neutral while sodium ion is a charged specie with a charge of +1
A physical property does not change the substance.
Solubility would be the answer since all of the rest are changing the substance. They all deal with bonds except solubility.
Answer: D. Solubility
