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Elena L [17]
3 years ago
6

In terms of energy, how would you classify the following chemical reaction? 2CuO + 315 kJ → 2Cu + O2

Chemistry
2 answers:
Snowcat [4.5K]3 years ago
6 0
"Endothermic" is the way among the following choices given that you would <span>classify the following chemical reaction, in terms of energy. The correct option among all the options that are given in the question is the second option or option "B". I hope that the answer has come to your help.</span>
omeli [17]3 years ago
6 0

Answer: The reaction 2CuO + 315 kJ → 2Cu + O2 is an endothermic reaction.  (Option B)

Explanation: In order to determine what type of reaction is occurring above, you need to know that if heat is being released then it is an exothermic reaction. It can be determined if it would be on the product side. Whilst, if the heat is being absorbed, it would be an endothermic reaction and it would be on the side of the reactants.

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I believe it's A. to reduce air bubbles. Tbh, it's been a while

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What are these associated with the solar wind
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The solar wind is a stream of charged particles released from the upper atmosphere of the Sun, called the corona. ... Its particles can escape the Sun's gravity because of their high energy resulting from the high temperature of the corona, which in turn is a result of the coronal magnetic field.

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In which group of teh modern periodic table are there very reactive metals and very reactive non metals?​
Rufina [12.5K]

Metals :-

Group 1A - Alkali metals ( highly reactive metals)

Non-metals :-

Group 17 - Halogens ( highly reactive non-metals )

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3 years ago
What volume of 0.585 m ca(oh)2 would be needed to neutralize 15.8 l of 1.51 m hcl?
SpyIntel [72]
When the balanced reaction equation is:

2HCl(aq) + Ca(OH)2(aq) → CaCl2(aq) + 2H2O(l)

from the balanced equation, we can get the molar ratio between HCl & Ca(OH)2

2:1

∴ the volume of Ca(OH)2 = 15.8 L HCl * 1.51 m HCl * (1mol Ca(OH)2/ 2mol HCl) *                                           (1L ca(OH)2/0.585 mol Ca(OH)2 

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8 0
3 years ago
The ozone "hole" over Antarctica formed as the result of a series of chemical reactions. The loss occurs in part through three c
mixer [17]

Answer:

A)

Cl + O3 --> ClO + O2

2ClO --> ClOOCl

ClOOCl --> 2 Cl + O2

B)

Cl2 + 4O3 -> 2 ClO + 5O2

Explanation:

Step 1: Chlorine atoms react with ozone (O3) to form chlorine monoxide and molecular oxygen

Cl + O3 --> ClO + O2

Step 2: Chlorine monoxide molecules combine to form ClOOCl gas

2ClO --> ClOOCl

Step 3: ClOOCl absorbs sunlight and breaks into chlorine atoms and molecular oxygen

ClOOCl --> 2 Cl + O2

B) Overall Balanced equation

Cl2 + 4O3 -> 2 ClO + 5O2

7 0
2 years ago
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