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miskamm [114]
3 years ago
7

how many moles of water will be produced from the complete combustion of 24.6 moles of ethane according to the following reactio

n
Chemistry
1 answer:
lorasvet [3.4K]3 years ago
7 0
Combustion of ethane:

C2H6 + 7/2 O2 > 2 CO2 + 3 H2O
1 mol of ethane produces 3 mol of water
24.6 mol of ethane produce?mol of water
24.6/3 =8.2 mol of water is produced
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The attractive force causes the surface of the water to be drawn toward the water molecules beneath the surface. <span>
Since there are no water molecules above the surface, there are uneven forces. This causes surface tension, allowing the coin to float on the water’s surface.</span>
4 0
3 years ago
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How many electrons will metals generally have in their outer shell
Goshia [24]

Answer:

1 - 3

Explanation:

- Look to see where metals are on the periodic table then look at what group they are in. The group tells you the number of valence electrons. Ex. 1A has one valence electron.

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3 years ago
What else is produced during the combustion of butane, C4H10?
denpristay [2]

Another product: CO₂

<h3>Further explanation</h3>

Given

Reaction

2C₄H₁₀ + 13O₂⇒ 8__+ 10H₂O

Required

product compound

Solution

In the combustion of hydrocarbons there can be 2 kinds of products

If there is excess Oxygen, you will get Carbon dioxide(CO₂) and water in the product

If Oxygen is low, you'll get Carbon monoxide(CO) and water

Or in other ways, we can use the principle of the law of conservation of mass which is also related to the number of atoms in the reactants and in the products

if we look at the reaction above, there are C atoms on the left (reactants), so that in the product there will also be C atoms with the same number of C atoms on the left

2C₄H₁₀ + 13O₂⇒ 8CO₂+ 10H₂O

5 0
2 years ago
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Lelechka [254]

Answer:

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From the question

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We have the final answer as

2.86 \times  {10}^{ - 19}  \: J

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3 0
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nataly862011 [7]

Answer:

D

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