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Sedaia [141]
3 years ago
13

When Mendeleev organized the elements by their _________, he noticed the properties of elements repeated.

Chemistry
1 answer:
Mama L [17]3 years ago
4 0
I believe it should be when he arranged the elements by their atomic mass.
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Please I don't understand any of this. If you can answer by midnight this is due tomorrow, April 29th
kupik [55]

Answer:

(2) Adding more O2(g) would shift the equilibrium to the right because a higher concentration of oxygen is offered than its initial position, therefore more products have to be yielded to maintain equilibrium.

Explanation:

7 0
2 years ago
Which two systems are represented in this model?
Mama L [17]

Answer:

I think it's c

Explanation:

4 0
3 years ago
Read 2 more answers
A neutral atom of which of the four element has the smallest radius
arsen [322]
Answer:
Element 1

Explanation:
The ionization energy is defined as the energy required to remove electrons from the atoms.
We know that the nucleus of the atom attracts the electrons, thus, bound these electrons to the atom.
This means that as the radius decreases, the force of attraction between the nucleus and the electron will increase, therefore, the energy required to remove the electron would increase (and vice-versa).

Based on the above, the atom with the smallest radius would be the atom with the largest first ionization energy.

Hope this help :)
6 0
3 years ago
Read 2 more answers
The position of equilibrium would not be appreciably affected by changes in the volume of the container for
8090 [49]

Answer:

The position of equilibrium would not be appreciably affected by changes in the volume of the container for  NiO(s) + CO(g) ⇌ Ni(s) + CO2(g).

Correct Answer : Option A

Explanation:

The equilibrium position tends to change with increase or decrease in pressure or volume, or both of them. This happens because considering change in volume, when the volume of the container increases, the reactant molecule increases i.e. mole of gases and thus the position of equilibrium shifts towards the right side. Similarly in case of decreasing volume, reactant molecule decreases and the equilibrium position shifts left side.

And in case, when the mole of gases on both the sides of the equation i.e. reactant side and product side are equal, it will not have any effect on the equilibrium position on increasing or decreasing volume, or pressure.

4 0
3 years ago
The moon lost its volcanic __ beacuse of its weak gravity
matrenka [14]

Answer:

Explanation:

the moon is still volcanic

5 0
2 years ago
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