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Bogdan [553]
3 years ago
14

What do you mean by chemical reaction ?​

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

A chemical reaction is a reaction that changes the molecular structure and is normally irreversible.

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Which ions are spectator ions in the formation of a precipitate of agcl via combining aqueous solutions of cocl2 and agno3?
Len [333]
AgNO3 reacts with CoCl2 based on the following equation:
<span>AgNO3 + CoCl2 ........> CoNO3 + AgCl<span>2
</span></span>
The complete ionic equation for this reaction is:
<span>Co2+(aq) + 2Cl- (aq) + 2Ag+(aq) + 2NO3-(aq) ...> 2AgCl(s) + Co2+(aq) + 2NO3-(aq) 
</span>while the net ionic equation is:
<span>Cl-(aq) + Ag+(aq) → AgCl(s)
</span>
From this ionic equations, we can see that Co2+ and NO3- remained unchanged in the ionic equations. Therefore <span>Co2+ and NO3- are the spectator ions.</span>
7 0
3 years ago
Night-vision goggles allow you to see warm objects in a dark environment. Which type of electromagnetic wave do they detect?
Travka [436]
The appropriate response is infrared waves. Indeed, even in the darkest of conditions, there are modest bits of light present. Some of this light might be the infrared light that isn't obvious to the stripped eye. Night vision goggles utilizing picture upgrade innovation gather all the accessible light, including infrared light, and open up it with the goal that you can without much of a stretch see what's happening oblivious.
6 0
3 years ago
Round to 4 significant figures 4,567,986
kipiarov [429]
4,568,000
there is the rounded of 4 figures

7 0
3 years ago
Read 2 more answers
Balance the following skeleton reaction and identify the oxidizing and reducing agents: Include the states of all reactants and
N76 [4]

Answer:

Oxidizing agent - CrO4^2-

Reducing agent- N2O

Explanation:

Let us look at the equation closely;

CrO4^2- (aq) + 3N2O(g) ------------> Cr^3+ (aq) + 3NO(g) [acidic]

The reduction half equation is;

CrO4^2- (aq) + 3e -------->Cr^3+ (aq)

Oxidation half equation is;

3N2O(g) ------>3 NO(g) +3 e

Note that the oxidizing agent participates in the reduction half equation while the reducing agent participates in the oxidation half equation as seen above.

8 0
3 years ago
Which is the process by which plants convert light energy into chemical energy?
Ivanshal [37]
This process is called photosynthesis
4 0
3 years ago
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