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3 years ago

7

"whenever a stress is applied to a system at equilibrium, the equilibrium shifts in such way as to undo the effect of the stress

imposed"

1 answer:

Nady [450]3 years ago

3 0

IDK I JUST NEED POINTS, BTW IM VERY DUMB

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What is the atomic number of h

djyliett [7]

Answer:

1

Explanation:

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3 years ago

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Which of the following specifies the correct reducing agent in the given redox reaction? View Available Hint(s) Which of the fol

padilas [110]

Answer: $NiO+CO\rightarrow Ni+CO_2$ : reducing agent is CO.

Explanation:

a) $Fe+Cu^{2+}\rightarrow Fe^{2+}+Cu$

The oxidation state of copper reduces from +2 to 0, it is getting reduced. As $Cu^{2+}$ gets reduced, it acts as an oxidising agent.

The oxidation state of iron increases from 0 to +2. Thus, it is getting oxidized. As $Fe$ gets oxidized, it acts as a reducing agent.

b. $2Na+Cl_2\rightarrow 2NaCl$

The oxidation state of chlorine reduces from 0 to -1, it is getting reduced. As $Cl_2$ gets reduced, it acts as an oxidising agent.

The oxidation state of sodium increases from 0 to +1. Thus, it is getting oxidized. As $Na$ gets oxidized, it acts as a reducing agent.

c. $C+O_2\rightarrow CO_2$

The oxidation state of oxygen reduces from 0 to -2, it is getting reduced. As $O_2$ gets reduced, it acts as an oxidising agent.

The oxidation state of carbon increases from 0 to +2. Thus, it is getting oxidized. As $C$ gets oxidized, it acts as a reducing agent.

d. $NiO+CO\rightarrow Ni+CO_2$

The oxidation state of nickel reduces from +2 to 0, it is getting reduced. As $Ni^{2+}$ gets reduced, it acts as an oxidising agent.

The oxidation state of carbon increases from +2 to +4. Thus, it is getting oxidized. As $CO$ gets oxidized, it acts as a reducing agent.

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4 years ago

Which is true with respect to the kinetic energy of a molecule?

Elis [28]

Answer:

A. it is the lowest at low temperatures

Explanation:

At low temperature the kinetic energy of a molecule is low. The kinetic energy is directly proportional to the temperature of the molecule. The kinetic energy of a molecule increases with the increase in the temperature that energize the molecules of a substance and makes them to move faster than before.

As the kinetic energy is proportional to temperature so it does not increase with decrease in the temperature (low temperature). The kinetic energy varies with the change in the temperature and it is not same at all temperature. The kinetic energy is highest at high temperature. Thus, option A is correct.

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4 years ago

Who invented the outomobile? what purpose does it serve? how has it impacted society today?

Darya [45]

Answer:

the AUTOmobile serves as a way for transport, for people to get from point A to point B, the first person to build the car would be the great Karl Benz, he is German and if you can guess he is known for the expensive high class car Mercedes Benz, the impact the car can be taken as good or bad, for one it influenced the industrial age, but on the other hand it caused alot of polution and waste and when waste, I mean cars sitting around in junkyards not being fixed and taking up space.

Explanation:

my sources are from everywhere and Im sure you could have found verified sources too

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3 years ago

Which best explains why collective bargaining increases the bargaining power of workers?

m_a_m_a [10]

In the above question, options are not given so the answer has been generalized.

Collective bargaining power gives rights to the workers to put their demands in front of employer in a better way. It puts the workers and employers on the same level.
Collective bargaining increases the power of bargaining of workers. If the workers and employers have agreed on a collective bargaining on mandatory subjects then it is unfair for the employer to refuse.

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3 years ago

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