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vodka [1.7K]
3 years ago
11

PLEASE HELP

Chemistry
1 answer:
Dovator [93]3 years ago
5 0

Answer:

B

Explanation:

All elements on both sides of the equation have the same amount of moles

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irina1246 [14]
Tungsten and it is used in electric contact and arc wielding. I believe there are a few more uses.
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3 years ago
Consider the reaction for the combustion of butane (C4H10), a component of liquefied petroleum (LP) gas. 2C4H10(g)+13O2(g)→8CO2(
polet [3.4K]

Answer:

The answer to your question is:

a) 3.87 mol of CO2

b) 14.63 mol of O2

Explanation:

                         2C4H10(g)  +   13O2(g)  →   8CO2(g)   +   10H2O(g)

a)

CO2 = ?

Butane 0.968 moles

From the balance equation     2 moles of butane   ----------   8 moles of CO2

                                                 0.968 moles of butane ------     x

                                                  x = (0.968 x 8) / 2

                                                 x = 3.87 moles of CO2

b)

moles O2 = ?

butane = 2.25 mol

From the balance equation

                                            2 moles of butane ---------- 13 mol O2

                                            2.25 mol                ----------   x

                                            x = (2.25 x 13) / 2

                                           x = 14.63 mol of O2                                

5 0
3 years ago
Which two substances have no fixed shape and no fixed volume?
zalisa [80]

Answer:

Gases

Explanation:

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4 years ago
Does each phrase describe photosynthesis, cellular respiration, or both? Drag and drop the phrases into the correct locations.
arlik [135]

Answer:

Anabolic Reaction : Photosynthesis

Occurs in plant life : Both

a way to store energy : Both

Catabolic Reaction : Cellular Respiration

a way to release energy : Both

involves oxygen and carbon dioxide : oxygen releases by the process of photosynthesis. Oxygen is involved in areobic respiration and not in anarobic respiration.

5 0
3 years ago
QUESTION 8
Alona [7]
1. combustion
2.decompostioni
3.synthesids
4double replacement
5.single replacement
8 0
4 years ago
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