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Ber [7]
2 years ago
15

What is the formula of nitrous acid? Α. ΗΝ Β. ΗΝΟΣ C. HNO3 D. HΝΟ,

Chemistry
1 answer:
Tanzania [10]2 years ago
7 0

Answer:

Is that your answer ☺️☺️☺️

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The first four ionization energies for an imaginary element, Xz, are E1 = 102 kcal, E2 = 186 kcal, E3 = 4021 kcal, and E4 = 4862
Anni [7]
Hi :) If your answers choices are what I'm thinking, the answer is two :)
4 0
3 years ago
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Lemonade is an example of a compound because the particles retain their original chemical properties and identity.
Ksenya-84 [330]

Answer:

False

Explanation:

Compounds are chemically combined

lemonade is not

If the squeezed lemonade is made by squeezing lemons to extract the juice and mixing it with water and sugar, it would be a homogenous mixture.

If it contains a pulp than it would be heterogeneous

4 0
3 years ago
Explain why 2-bromopropane reacts with sodium iodide in acetone over 104 times faster than bromocyclopropane. hint: examine the
Mama L [17]

Answer:-

The reaction of 2-bromopropane reacts with sodium iodide in acetone is an example of Sn2 reaction.

The I - attacks from backside to give the transition state for both.

If we compare the transition state for cyclobromopropane 2-bromopropane then we see in case of cyclobromopropane transition state, one of the H is very close to the incoming I -.

This results in steric strain and less stability of the transition state. Hence 2-bromopropane reacts with sodium iodide in acetone over 104 times faster than bromocyclopropane.

7 0
3 years ago
What is the correct order of earths six convection cells , from the North Pole to the South Pole
makkiz [27]
<span>polar, Hadley, Ferrel, polar, Hadley, Ferrel. I hope this helps you.</span>
4 0
3 years ago
When water changes state from a liquid to a solid is energy absorbed or lost?
Brrunno [24]

Answer:

Loses

Explanation:

liquid changes into solid, heat is released. The energy released upon freezing, known as the enthalpy of fusion, is a latent heat, and is exactly the same as the energy required to melt the same amount of the solid.

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3 years ago
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