2 years ago

How many hydrogen atoms are needed to form five water molecules

2 answers:

8 0

2 Hydrogen Atoms Are Needed To Form Five Water Molecules

N76 [4]2 years ago

8 0

30 are needed to form five water molecules

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Answer:

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3 years ago

Hoochie [10]

Answer:

The half life is $H_{1/2}= 7333.3sec$

Explanation:

The half life of a first order reaction is mathematically represented as

$H_{1/2} = \frac{0.693}{Rate Constant }$

Substituting $9.45 * 10^{-5}s^{-1}$ for the rate constant

$H_{1/2} = \frac{0.693}{9.45*10^{-5}}$

$H_{1/2}= 7333.3sec$

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2 years ago