a. KCl = strong electrolyte
b. CCl4 = non-electrolyte
c. LiCl = strong electrolyte
d. Na2SO4 = strong electrolyte
O: 1*2 = 2*1
<span>H 2 + 2 = 2*2 </span>
<span>answer C hope you get it right</span>
Answer:
4 moles
Explanation:
= 
= 2 (moles)
CH4 + 2O2 → CO2 + 2H2O
1 : 2 : 1 : 2
2 (moles)
⇒ 
= 2 × 2 ÷ 1 = 4 (moles)
Answer:
Explanation:
2N₂O(g) → 2N₂(g) + O₂(g)
molecular weight of N₂O = 44
∆Hº = –166.7 kJ/mol
44 g of N₂O decomposes to give 166.7 kJ of heat
2.25 g of N₂O decomposes to give 166.7 x 2.25 / 44 kJ of heat
= 8.51 kJ of heat .
200 moles of nitric acid.
Explanation:
We have the following chemical equation:
3 NO₂ + H₂O → 2 HNO₃+ NO
Taking in account the chemical equation, we devise the following reasoning:
if 3 moles of nitric dioxide (NO₂) produce 2 moles of nitric acid (HNO₃)
then 300 moles of nitric dioxide (NO₂) produce X moles of nitric acid (HNO₃)
X = (300 × 2) / 3 = 200 moles of nitric acid.
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number of moles
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