Answer:
- FeS
- MnO₂
- Al₂S₃
Explanation:
<u>1) Iron + Sulphur = ?</u>
→ Iron sulfide
<u>2) Manganese + Oxygen = ?</u>
→ Manganese dioxide
<u>3) Aluminium + Sulphur = ?</u>
→ Aluminium sulfide
Answer:
b
Explanation:
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The molecular mass of sucrose is 342.3<span> grams per mole (g/mol).</span>
Answer: A mechanical wave is a disturbance in matter that transfers energy through the matter. A mechanical wave starts when matter is disturbed. A source of energy is needed to disturb matter and start a mechanical wave.
2HgO=2Hg + O2
433,18 g. = 32 g
x. = 250 g
x= 3 384,21875 g of HgO is needed
