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laila [671]
3 years ago
14

Which is NOT needed to START a wildfire.

Chemistry
2 answers:
ratelena [41]3 years ago
6 0

Answer:

you are correct

Explanation:

notsponge [240]3 years ago
4 0

Answer: no oxygen is the wright answer

Explanation:

Because it only helps to burn a fire it does not make fire

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Finger [1]

Answer:

It's B.

Explanation:

5 0
4 years ago
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When 7.00 g of hydrogen react with 70.0 g of nitrogen, hydrogen is considered the limiting reactant because:
noname [10]

7.5 mol of hydrogen would be needed to consume the available nitrogen.

Explanation:

When hydrogen reacts with nitrogen, ammonia is formed as shown below;

3H₂ (g) + N₂ (g) → 2NH₃ (g)

As seen from the equation, every 3 moles of H₂ react with a mole of N₂ to form 2 moles of NH₃.

The limiting factor in a chemical reaction is the reactant that gets depleted first.

Because the molar mass of nitrogen gas is approximately 28g/mol, 70g of nitrogen gas would be 2.5 moles.

The reaction ratio of nitrogen to hydrogen in the reaction is 1 : 3. The reaction would require 2.5 * 3 (7.5) moles of hydrogen for a complete reaction.

However since there are only 7g on hydrogen, (Remember 1 mole of H₂ is approximately 2g), the available moles of H₂ is 7 / 2 = 3.5

3.5 moles fall short of the 7.5 moles of H₂ required for a complete reaction. H₂ gets depleted first before N₂.  The reaction would require 4 more moles of H₂.

6 0
3 years ago
A popsicle melts on a table. Select ALL statements that are true. A The particles gained thermal energy and changed from a solid
iris [78.8K]

Answer:

its "a" nd "C" Big Dawg if im wrong im sorry dawg been a min since i took a test like dis

Explanation:

6 0
3 years ago
Why is it important that organisms reproduce in a variety of ways?
hjlf

Hello, this is what I found, Hope it helped

A variety of different ways to reproduce permits a diverse range of organisms to survive a variety of environmental changes.

5 0
3 years ago
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How does electroplating happen?
Genrish500 [490]

Answer:

im just doing this for points loooool but yes the answer on a p e x is b, thank you :))

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3 years ago
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