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bulgar [2K]
3 years ago
8

When was a time you experienced static electricity? (This is for an assignment.)

Chemistry
2 answers:
Genrish500 [490]3 years ago
6 0
When walking across a rug with your shoe your body collects electrons !
suter [353]3 years ago
5 0

Answer:

I was jumping on an trampoline and my sisters hare and mine started floating  up from the static electricity

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When KNO3 dissolved in water, what is the intermolecular attraction between NO3 ions
Snezhnost [94]
Ion-dipole forces

H2O has hydrogen bonding, which is a form of dipole-dipole forces, and NO3- is an ion, so the intermolecular attraction is ion-dipole.
4 0
2 years ago
What is the product if an atom of Po-209<br> undergoes alpha decay?
g100num [7]
<h3>Answer:</h3>

Lead-205 (Pb-205)

<h3>Explanation:</h3>

<u>We are given;</u>

  • An atom of Po-209

We are supposed to identify its product after an alpha decay;

  • Polonium-209 has a mass number of 209 and an atomic number of 84.
  • When an element undergoes an alpha decay, the mass number decreases by 4 while the atomic number decreases by 2.
  • Therefore, when Po-209 undergoes alpha decay it results to the formation of a product with a mass number of 205 and atomic number of 82.
  • The product from this decay is Pb-205, because Pb-205 has a mass number of 205 and atomic number 82.
  • The equation for the decay is;

²⁰⁹₈₄Po → ²⁰⁵₈₂Pb + ⁴₂He

  • Note; An alpha particle is represented by a helium nucleus, ⁴₂He.

7 0
3 years ago
If a person had the values for an objects density and volume, what value can be calculated
zavuch27 [327]

Hello there! With the values of density and volume, you would be able to find the object's mass.

Density is found by dividing the mass by the volume, so you could place in the values of the density and the volume to get the mass.

For example:

500 = mass/10

The 500 being density and 100 being volume. You would use simple math rules and multiply 10 by 500, and you'd get 5000, therefore using the density and volume values and giving you the mass.

I hope I could help you and have a great day!

5 0
3 years ago
Read 2 more answers
Which describes radioactive decay of a substance? More of the radioactivity is lost during the first half-life than in later hal
vovangra [49]

Answer:More of the radioactivity is lost during the first half-life than in later half-lives.

Explanation: Passed test with 98

5 0
3 years ago
Read 2 more answers
This table resembles a condensed version of the modern periodic table. Using the full periodic table as a reference, type the sy
Mekhanik [1.2K]

re write the question.

Explanation:

it seems incomplete.

5 0
2 years ago
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