Flammability is a chemical change because when you burn something, it no longer has the same properties.
Answer:
it'a answer number 2
Explanation: you divide the mass by volume and 32.2 divided by 4 is 8.05
Answer:
8 moles
Explanation:
Al reacts with 
to produce 
as
The balanced chemical equation is
In the reaction, 16 moles of 
react with 3 moles of to produce 8 moles of .
Answer:
Tincture of iodine, iodine tincture, or weak iodine solution is an antiseptic. It is usually 2–7% elemental iodine, along with potassium iodide or sodium iodide, dissolved in a mixture of ethanol and water. Tincture solutions are characterized by the presence of alcohol.
Explanation:
