2 years ago

Neon is an inner gas because it’s outer ____ is full of electrons.

Chemistry

1 answer:

Fynjy0 [20]2 years ago

7 0

Answer:

Neon is an inner gas because it’s outer <u>__shell__</u> is full of electrons.

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Why is the addition of cold distilled water to the container holding the aspirin you are trying to isolate a necessary step and

Rudik [331]

Answer:

The aspirin is more soluble in ethanol than water - the water helps the crystals separate from solution.

Explanation:

Hope this helps!

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2 years ago

What is the highest energy to which doubly ionized helium atoms (alpha particles) can be accelerated in a DC accelerator with 3

pentagon [3]

Answer:

Highest energy will be equal to $9.6\times 10^{-13}J$

Explanation:

Charged on doubly ionized helium atom $q=2e=2\times 1.6\times 10^{-19}C=3.2\times 10^{-19}C$

It is accelerated with maximum voltage of 3 MV

So voltage $V=3\times 10^6volt$

Now energy is given by $E=qV=3.2\times 10^{-19}\times 3\times 10^6=9.6\times 10^{-13}J$

So highest energy will be equal to $9.6\times 10^{-13}J$

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3 years ago

Naturally occurring zirconium exists are five isotopes. axe with a mass of 89.905 u(51.45%); Zr with a mass of 90.906 u (11.22%)

Anton [14]

Isotope 1: 89.905 * 51.45 = 4625.61225 / 100 = 46.2561225
Isotope 2: 90.906 * 11.22 = 1019.96532 / 100 = 10.1996532
Isotope 3: 91.905 * 17.15 = 1576.17175 / 100 = 15.7617075
Isotope 4: 93.906 * 17.38 = 1632.08628 / 100 = 16.3208628
Isotope 5: 95.908 * 2.08 = 268.5424 / 100 = 2.685424

46.2561225 + 10.1996532 + 15.7617075 + 16.3208628 + 2.685424 = 91.22377
actual mass Zr = about 91.22

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3 years ago

How. does knowing the weather forecast affect people making decisions each day?

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Just an example.. This can affect people because it can cause people to bring umbrellas wear rain coats of it were to rain.

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3 years ago

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Glass is an example of a(n) ________ solid

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Amorphous is the answer. A glass is an amorphous solid.

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2 years ago

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