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True [87]
3 years ago
9

Wihat prrase best defines a star systerm?

Chemistry
1 answer:
lubasha [3.4K]3 years ago
8 0

Answer:

The first one id say

Explanation:

It just makes sense

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What is solar energy?
IrinaVladis [17]

Answer:

Solar energy is energy from the sun converting it to thermal or electric energy. It is renewable resource meaning it will never die out. It is also called radiant energy.

Explanation:

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3 years ago
How many moles are in 4g of hydrogen?​
Afina-wow [57]

Answer:

2 mole

Explanation:

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8 0
3 years ago
Why is there Roman numerals (II) in copper(II) chloride, but no (III) in Aluminum chloride?
Neporo4naja [7]

This is because copper is a transition metals.

Transition metals don't have a definite charge, you can see this on the periodic table. However, Alkali Earth, Alkali, Metalloids, Non-metals, Halogens, Noble Gases, etc, all have a specified charge.

Although, there are exceptions: Zinc, Gold, and Cadmium.

Aluminum is a poor metal, but it has it's own charge (3+).

Therefore, Copper has roman numerals due to the fact that it's a transition metal and Aluminum is a poor metal.

Hope this helps!

6 0
3 years ago
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irinina [24]

I think the answer is B...

I am not sure

5 0
3 years ago
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What is the dewpoint when the air temperature is 26c and the relative humidity is 77%?
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