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MakcuM [25]
3 years ago
5

When the equation Fe+S --> Fe2S3 is balanced, what is the coefficient for sulfur?

Chemistry
1 answer:
Naddik [55]3 years ago
6 0

Answer:

3

Explanation:

To balance the equation, you need the same number of each atom on both the left and right sides of the equation.

The balanced equation would be:

2 Fe  +  3 S   --->    Fe2S3

You then have:

2 Fe on both sides

3 S on both sides

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Mg (s) + 2 HCl (aq) --> MgCl2 (aq) + H2 (g)
Lera25 [3.4K]

Answer:

m = 190. g MgCl2

Explanation:

Use a molar ratio to get the # of moles MgCl2 produced from 4.00 mol of HCl:

4.00 mol HCl × (1 mol MgCl2/2 mol HCl) = 2.00 mil MgCl2

So 2.00 moles of MgCl2 will be produced. To find the mass in grams, use the molar mass of MgCl2:

2.00 mol MgCl2 × (95.211 g MgCl2/1 mol MgCl2)

= 190. g MgCl2

8 0
3 years ago
How many grams of carbon dioxide will form if 355g of c3h8 is burned?
d1i1m1o1n [39]

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6 0
4 years ago
3.5 mg of optically-enriched (-) sugar P was dissolved in 1.00 mL methanol in a 1.00 mL volumetric flask. The optical rotation w
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4 years ago
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AysviL [449]

Answers-in-bold:

There are two common temperature scales. On the Fahrenheit scale, water freezes at 32 degrees. The Celsius scale divides the interval between the freezing and boiling points of water into 100 degrees.

4 0
3 years ago
Draw the structure(s) of the branched alcohol(s) with the chemical formula c5h12o.
xxTIMURxx [149]

A<em>nswer:</em>

The possible branched chain structure of alcohols with chemical formula C5H12O are following.

  • 3-methylbutan-2-ol
  • 3-methylbutan-1-ol
  • 2,2-dimethylpropan-1-ol
  • pentan-3-ol
  • 2-methylbutan-1-ol
  • 2-methylbutan-2-ol

Structure:

Please see attachment

Download docx
7 0
4 years ago
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