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gulaghasi [49]
4 years ago
13

suggest one reason why 1g of cobalt oxide nanoparticles is a better catalyst than 1g of cobalt oxide powder

Chemistry
1 answer:
anastassius [24]4 years ago
7 0
Particles are smaller, a reactant would be exposed to more cobalt atoms. Causing the reaction to happen quicker than with larger particles.
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What is the relationship between the amount of space and the state of matter
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<span>The relationship between the amount of space between particles and the state of matter is that if the distance between the particles is very very less or closely packed) then it said to be a solid , If the distance between the particles is very less (more than that of solid) then the matter is a liquid & If the distance between the particles is less (more than that of liquid) then it is said to be gaseous. By this we conclude that when the amount of space between the particles varies then the states of matter (Solid , Liquid , Gas) also differs.</span>
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Laughing gas (nitrous oxide, N20) is some-
alukav5142 [94]

Answer: 109.2g

Explanation:

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5 0
3 years ago
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Refer to the illustration of the periodic table to determine which formula is correct.
Mekhanik [1.2K]

Answer:

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Explanation:

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O, which is Oxygen, has a charge of 2- because it's in the second column, or group, from the right.

Since Mg is 2+, it's the cation and since O is 2-, it's the anion. We can put these two elements together into an ionic compound.

Mg^(2+) and O^(2-) becomes Mg2O2, where we can cancel the 2s: MgO.

Thus, the answer is D.

Hope this helps!

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