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svp [43]
3 years ago
7

One quarter of a 1-mole piece of iron turns to rust in six months. Which rate describes the speed at which the iron rusts?

Chemistry
2 answers:
avanturin [10]3 years ago
7 0
1/4 mol = 0.25 mol

6 months = 0.5 year

rate = 0,25 mol / 0.5 year = 0.5 mol/year or approx 0.042 mol/month
pashok25 [27]3 years ago
6 0

Answer:

0.5 mol/yrs

hope this helps!

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Answer:

The answer is "W-4 form".

Explanation:

The W-4 form is part of the Internal Revenue Service tax form, which is used to submitted by the U.S. government form the customer to information and his or her tax situation. This form informs the customer of the right amount of tax to deduct from his or her salary.

That's why she filled out a W-4 form and know-how often tax he will subtract in the payroll depending on provisions dealing, dependents, potential tax deductions, and credits, etc.

4 0
3 years ago
Calcula el pH de las siguientes sustancias formadas durante una erupción volcánica:
Virty [35]

<em>Calculate the pH of the following substances formed during a volcanic eruption: </em>

<em>• Acid rain if the [H +] is 1.9 x 10-5 </em>

<em>• Sulfurous acid if [H +] = 0.10 </em>

<em>• Nitric acid if [H +] = 0.11</em>

<em />

<h3>Further explanation  </h3>

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pH = - log [H⁺]  

  • pH acid rain

\tt pH=-log[1.9\times 10^{-5}]\\\\pH=5-log1.9\\\\pH=4.72

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\tt pH=-log[10^{-1}]\\\\pH=1

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\tt pH=-log[11\times 10^{-2}]\\\\pH=2-log~11=0.959

8 0
3 years ago
What is 1/4 cup of magnesium converted to grams
ahrayia [7]

Answer: 32 grams

Explanation:

8 0
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