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Fynjy0 [20]
3 years ago
6

Please answer quick!!!

Chemistry
1 answer:
kherson [118]3 years ago
6 0

Answer:

neurotransmitter

Explanation:

im 200 iq

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Answer:

A car stopped at the top of the hill

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It's potenial energy because, the car could go down the hill and create kinetic energy. Hope this helps! Please give me brainly it is correct!

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3 years ago
The water table is the..
Zielflug [23.3K]
The upper surface of the zone of saturation is called the water table
6 0
3 years ago
How many moles of oxygen gas are needed to produce 4 moles of carbon dioxide gas?
11111nata11111 [884]
Answer: 8 moles
Explanation:
Nc2H6= 4 mol
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3 0
2 years ago
What mass of iron is formed when 10 grams of carbon react with 80 grams of iron iii oxide?
yKpoI14uk [10]

Answer:

55.85 grams of Fe is formed.

Explanation:

Identify the reaction:

2Fe₂O₃  +  3C  →  4Fe  +  3CO₂

Identify the limiting reactant, previously determine the mol of each reactant

(mass / molar mass)

10 g / 12 g/m = 0.83 moles C

80 g / 159.7 g /m = 0.500 moles Fe₂O₃

2 moles of oxide need 3 moles of C, to react

0.5 moles of oxide, will need ( 0.5  . 3)/ 2 = 0.751 mol

I have 0.83 moles of C, so C is the excess.

The limiting is the oxide.

3 mol of C need 2 mol of oxide to react

0.83 mol of C, will need (0.83  . 2)/ 3 = 0.553 mol of oxide, and I only have 0.5 (That's why Fe₂O₃ is the limiting)

Ratio is 2:4 (double)

If I have 0.5 moles of oxide, I will produce the double, in the reaction.

1 mol of Fe, will be produce so its mass is 55.85 g

5 0
3 years ago
2. What major alkene product is produced by the dehydration of the following alcohols?
weeeeeb [17]
2-Dimethylcyclohexanol <span>major alkene product is produced by the dehydration of the  alcohols.</span>
4 0
2 years ago
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