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KATRIN_1 [288]
3 years ago
11

Which of the following processes is exothermic?

Chemistry
2 answers:
nikitadnepr [17]3 years ago
5 0

Answer:

d. condensation of water

mr Goodwill [35]3 years ago
4 0

Answer:

I believe the answer is D). condensation of water.

Hope this helps, have a great day/night and stay safe!

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Which atom loses 2 electrons while forming an ion?
BabaBlast [244]

Answer:

it would be a cation ... i believe

Explanation:

To become a cation, a positively charged ion, an atom would have to lose at least two electrons  

7 0
3 years ago
An element with the valence electron configuration 4s1 would form a monatomic ion with a charge of_______ . In order to form thi
qwelly [4]

Answer:

+1, lose, 1, 4s, 4s and 3d

Explanation:

<em>An element with the valence electron configuration 4s¹ would form a monatomic ion with a charge of </em><em>+1</em><em>. In order to form this ion, the element will </em><em>lose</em><em> </em><em>1 </em><em>electron from the </em><em>4s </em><em>subshell.</em>

The corresponding oxidation reaction is:

K ⇒ K¹⁺ + 1 e⁻

[Ar] 4s¹ ⇒ [Ar]

<em>If an element with the valence configuration 4s² 3d⁶ loses 3 electrons, these electrons would be removed from the </em><em>4s and 3d</em><em> subshell(s).</em>

The corresponding oxidation reaction is:

Fe ⇒ Fe³⁺ + 3 e⁻

[Ar] 4s² 3d⁶ ⇒ [Ar] 4s⁰ 3d⁵

3 0
3 years ago
Look at the following reaction. Select the option that best applies to the reaction.
tester [92]

Answer:

Two moles of KClO3 decompose to form 5 moles of product.

5 0
4 years ago
Read 2 more answers
For this ionic compound, what would be the name of the anion? Ca(NO3)2
Ne4ueva [31]
Idk if it's correct but I guess it's calcite (c)
4 0
4 years ago
Read 2 more answers
What is the Lewis Dot Structure for C2H3? ...?
andrew-mc [135]
:CH=CH2, also expressed as H-C=C: 
<span>___________________________|__| </span>
<span>___________________________H H </span>

<span>(Sorry about the underscores; the spacing doesn't work if I don't include them) </span>

<span>This compound is a derivative of ethene, which is CH2=CH2. In place of the fourth H atom, CH3 has a lone pair (as shown in the above formula). Or, it can be bonded to another compound as well in that empty spot.</span>
8 0
3 years ago
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