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GrogVix [38]
3 years ago
7

The "particles" of a gas are actually protons or electrons. true or false

Chemistry
1 answer:
Andrew [12]3 years ago
7 0
False.

Hope this helps, Good luck on the assignment.
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Explain the general increasing trend in the first
larisa86 [58]

Answer:

The general trend is for ionisation energies to increase across a period. In the whole of period 2, the outer electrons are in 2-level orbitals - 2s or 2p. ... That causes greater attraction between the nucleus and the electrons and so increases the ionisation energies.

Explanation:

The general trend is for ionisation energies to increase across a period. In the whole of period 2, the outer electrons are in 2-level orbitals - 2s or 2p. ... That causes greater attraction between the nucleus and the electrons and so increases the ionisation energies.

5 0
3 years ago
Aluminum reacts with copper 2 chloride to make aluminum chloride and copper. Right the balanced equation
Ivan

Answer:

2Al  + 3CuCl2 ---> 2AlCl3 + 3Cu

Explanation:

2Al  + 3CuCl2 ---> 2AlCl3 + 3Cu

3 0
3 years ago
KCl is an ionic salt with a formula weight of 74.54 g/mole. A 1.417 M (mole/liter) KCl solution has a density of 1064.5 grams/li
xenn [34]

Answer:

Mass of the salt:  105.6g of KCl.

Mass water: 958.9g of water.

Molality: 1.478m.

Explanation:

<em>Mass of the salt:</em>

In 1L, there are 1.417 moles. In grams:

1.417 moles KCl * (74.54g / mol) = 105.6g of KCl

<em>Mass of the water:</em>

We can determine the mass of solution (Mass of water + mass KCl) by multiplication of the voluome (1L and density 1064.5g/L), thus:

1L * (1064.5g / L) = 1064.5g - Mass solution.

Mass water = 1064.5g - 105.6g = 958.9g of water

<em>Molality:</em>

Moles KCl = 1.417 moles KCl.

kg Water = 958.9g = 0.9589kg.

Molality = 1.417mol / 0.9589kg = 1.478m

3 0
3 years ago
The taste of acid is sour​
arlik [135]

Answer:

have you tasted acid?

Explanation:

also the taste of salt is sour.

7 0
3 years ago
Read 2 more answers
Why do electrons gain energy?
Novay_Z [31]

Electrons can gain the energy it needs by absorbing light. If the electron jumps from the second energy level down to the first energy level, it must give off some energy by emitting light. The atom absorbs or emits light in discrete packets called photons, and each photon has a definite energy.

8 0
3 years ago
Read 2 more answers
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