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2 years ago

Is Pluto still a planet ? Explain your answer .

Chemistry

2 answers:

Ipatiy [6.2K]2 years ago

8 0

Hey!

According to scientists across the globe, Pluto is not a "planet", but a "dwarf planet." This also is determined when you were born and taught different ideals, cause everyone changed their sort of learning on planets overtime in our generation. Hope this helped!

iVinArrow [24]2 years ago

5 0

Hey,

I hope you are having a wonderful day

The Correct Answer is :

No Pluto Is not a Planet But It Is A Dwarf Planet

Explanation :

In 2006 The Definition Of the term "Planet" was changed Pluto was classified to not be a planet but Instead A Dwarf Planet

Hope This Helps :)

- Sprinkles

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How many molecules of Ca are found in a sample with 0.2 mols?

DochEvi [55]

Answer:

$\boxed{1.2 \times 10^{23}\text{ atoms}}$

Explanation:

6.023 × 10²³ atoms of Ca are in 1 mol of Ca

$\text{No. of atoms} = \text{0.2 mol} \times \dfrac{6.023 \times 10^{23}\text{atoms }}{\text{1 mol }} = \mathbf{1.2 \times 10^{23}} \textbf{ atoms}}\\\\\text{There are }\boxed{\mathbf{1.2 \times 10^{23}} \textbf{ atoms}} \text{ atoms in 0.20 mol of Ca}$

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2 years ago

How many moles of calcium chloride, cacl2, can be added to 1.5 l of 0.020 m potassium sulfate, k2so4, before a precipitate is ex

Brut [27]

When CaSO4 → Ca2+ + SO4
So when we have Ksp = [Ca2+][SO4]

when Ksp = 4.93 x 10^-5
and [SO4] = 0.02 M
so by substitution we can get [Ca2+]
4.93x10^-5 = [Ca2+] [0.02]
∴ [Ca2+] = 0.0025 mol/L

∴ the moles of calcium chloride = 0.0025 mol / L * 1.5 L
= 0.00167 mol

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3 years ago

The figure above shows the basic concepts of cell division

Cerrena [4.2K]

A. DNA is copied.
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3 years ago

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3 years ago

What would happen to the block if it had a density of 0.500 kg/L and was placed in the same 100.0 L tank of water?

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I’m not sure if there was important information in the question before this one, but the answer based on the info I have is B.

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3 years ago

Read 2 more answers