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Feliz [49]
3 years ago
5

Most of the X-rays are absorbed in which layer of Earth's atmosphere?

Chemistry
1 answer:
Rainbow [258]3 years ago
7 0

Explanation:

most of the x-rays are absorbed in thermosphere of earth's atmosphere

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If the temperature of a gas in the can increases then....
Len [333]

Answer:

the pressure would increase with the temperature if it gets to hot the can will explode

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3 years ago
How many moles are 3.20 x102 formula units of calcium iodide?
DedPeter [7]

The number of moles in 3.20 x 10² formula units of calcium iodide is 0.053 moles.

<h3>How to calculate number of moles?</h3>

The number of moles in the formula units of a substance is calculated by dividing the formula unit by Avogadro's number.

According to this question, 3.20 x 10² formula units are in calcium iodide. The number of moles is as follows:

no of moles = 3.20 x 10²² ÷ 6.02 × 10²³

no of moles = 0.53 × 10-¹

no of moles = 0.053 moles

Therefore, the number of moles in 3.20 x 10² formula units of calcium iodide is 0.053 moles.

Learn more about number of moles at: brainly.com/question/12513822

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3 0
2 years ago
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Why the enthalpy of Ba(oh)2 +h2so4 is greater than Ba(oh)2 + hcl?​
Rina8888 [55]

Answer:

Explanation:

To break apart a molecule of H2So4 is much higher than HCl although HCl is an ionic bond it is only bonded to one hydrogen. While H2So4 is bonded to two of them, aswell as its structure being much more complex. The energy to break Ba(h)2 is equal in both.

4 0
3 years ago
Zz. Compound A is crystalline, has a high melting point, and is more conductive when dissolved. Compound B is highly conductive
Gennadij [26K]

Answer:

Compound C is covalent.

Explanation:

Among the properties of a covalent compound is that it has poor conductivity and could possibly be a gas at room temperature.

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Negatively charged particles in the outermost<br> energy level of the electron cloud.
balandron [24]

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Electrons are negatively charged particles that surround the atom's nucleus. Electrons were discovered by J. J. Thomson in 1897. *Protons are positively charged particles found within atomic nuclei.

Explanation:

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