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choli [55]
3 years ago
14

How many moles of co2 are produced when 5.70 mol of ethane are burned in an excess of oxygen

Chemistry
1 answer:
sweet-ann [11.9K]3 years ago
4 0
I believe the answer is 6
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An unknown organic compound composed of carbon, hydrogen, and oxygen was analyzed and found to be 50.84% C, 8.53% H, and the res
MariettaO [177]

In every 100g of that compund there is 50.84 g of C, 8.53 g H and (100-59.37) g = 40.63 g of O.

Step 1: Convert each element's mass in moles. To do that we need to divide each element's mass by their respective molar mass.

For Carbon.

C =  \frac{50.84}{12} = 4.24 mol

For Hydrogen.

H =  \frac{8.53}{1} = 8.53 mol

For Oxygen.

O =  \frac{40.63}{16} = 2.54 mol

Step 2: Divide each of the numbers by the smallest number.

For Carbon.

C =  \frac{4.24}{2.54} = 1.7

For Hydrogen.

H =  \frac{8.53}{2.54} = 3.36

For Oxygen.

O =  \frac{2.54}{2.54} = 1

Step 3: So the empirical formula will be.

C_{1.7} H_{3.36} O_1

But using decimal will be messy. So we multiply the numbers by 3. The right empirical formula will be.

C_{5} H_{10} O_3

7 0
3 years ago
Cassidee walks 1-mile north and then turns and walks 2 miles west. Distance Displacement
Gemiola [76]

Answer:

3 miles?

Explanation:

if you walk one mile North and then turn and walk another two miles you walk 3 miles and then turn around and walk back in the same direction you would end backup at the one-mile Mark he began. So three miles there two miles back

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2 years ago
How is light energy different from both sound and heat energy? A. Light energy can exist independently of matter. B. Light is mo
Veronika [31]

light energy can exist independently of matter

3 0
3 years ago
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Which molecule is polar, based on structure? 1) sulfur dioxide 2) carbon disulphide 3) ethylene 4) carbon tetrachloride
Savatey [412]
I think the correct answer from the choices listed above is option 1. It would be the molecule carbon disulphide that will be polar, based on the structure of the choices given. Hope this answers the question. Have a nice day. Feel free to ask more questions.
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3 years ago
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A baby's crib would be about how long? 1 m 2 m 10 m 1 km
storchak [24]
-------2 meters-------
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3 years ago
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