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Romashka [77]
2 years ago
7

Blank and blank are examples of solids

Chemistry
1 answer:
Ymorist [56]2 years ago
3 0
A box and a laptop are both examples of solids


hope i helped:)
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Consider the following equilibrium: CO2(g) + C(graphite) 2CO(g); ΔH = 172.5 kJ The equilibrium constant for this reaction will
bezimeni [28]

Answer: Option (B) is the correct answer.

Explanation:

As the given reaction is as follows.

               CO_{2}(g) + C(graphite) \rightarrow 2CO(g)

Equilibrium constant for this reaction will be as follows.

             K_{c} = \frac{[CO_{2}]}{[CO]^{2}}

According to Le Chatelier's principle, when we increase the temperature then the equilibrium will shift towards the right hand side.

As a result, concentration of carbon dioxide will decrease whereas concentration of carbon monoxide will increase.

Thus, we can conclude that in the given reaction equilibrium constant for this reaction will decrease with increasing temperature.

 

8 0
3 years ago
What are some chemical properties of acids and bases ? Please help!!
rusak2 [61]
Is it DDNAya I think it's dna
7 0
3 years ago
Are C-12, C-13, and C-14 all carbon isotopes?
kramer

Answer:

Yes, they are isotopes.

Explanation:

Isotopes are atoms with the same atomic number Z and a different mass number (A). That is, they differ in the number of neutrons (eg carbon 12, has 6 protons, 6 electrons, and 6 neutrons, carbon 13, 7 neutrons, and carbon 14 8 neutrons).

3 0
3 years ago
Read 2 more answers
What Is Modern Methods Of Agriculture Practices And its Advantages?
Olin [163]

Answer:

Explanation:

Modern Agriculture - The agricultural practices with modern technique like Fertilizers, Innovative hybrid seed, and utilization of machine call modern Agriculture.

Advantages -

Feeding to the population without scarcity of food grains.

Optimum Utilization of land (Crop intensity more then 300%)

Increased production of food grain.

Global Market - even our mangoes available at US and we are getting California apple too.

Due to factories and Machine use this industry is growing to and empowering good employment.

I hope this helps you :)

7 0
3 years ago
For which of the following transitions would a hydrogen atom absorb a photon with the longest wavelength?
Talja [164]

Answer:

Hence among the options a and c, option d is that the correct answer because it has rock bottom energy ( as n value increases, energy decreases as energy levels come closer).

Explanation:

The relation between energy and wavelength is:

\Lambda = hC/E  

From this equation, it's clear that wavelength and energy are inversely proportional to every other. The Lower the energy of a specific transition, the longest will the wavelength be of that specific transition.  

Among the given options, options b and d are often ruled out, since those transitions produce to release of a photon because it is coming down from an excited state.

5 0
3 years ago
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