Read the given chemical reaction.
1 answer:
Answer:
The answer to your question is 4.2 moles of H₂O
Explanation:
Data
moles of H₂O = ?
moles of C₂H₆ = 1.4
Balanced chemical reaction
2 C₂H₆ + 7O₂ ⇒ 4CO₂ + 6 H₂O
Process
To determine the moles of H₂O, use proportions and the coefficients of the balanced chemical reaction.
2 moles of C₂H₆ ------------------- 6 moles of H₂O
1.4 moles of C₂H₆ ------------------ x
x = (1.4 x 6) / 2
x = 8.4/2
x = 4.2 moles of H₂O
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Answer: v = 2π2 Kme2 Z / nh
Explanation:
The formula for velocity of an electron in the nth orbit is given as,
v = 2π2 Kme2 Z / nh
v = velocity
K = 1/(4πε0)
m= mass of an electron
e = Charge on an electron
Z= atomic number
h= Planck’s constant
n is a positive integer.