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Sauron [17]
3 years ago
9

Are the particles in a solid motionless ?

Chemistry
1 answer:
kifflom [539]3 years ago
7 0
No. Just because it is a solid doesn't mean it has no motion. The only way for particles to be motionless is for the solid to reach Absolute Zero (0* K). Which is impossible. So, therefore, it is impossible for particles in a solid to be motionless.
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Something with a density greater than 1.00 g ml
anzhelika [568]
Something with a density greater than 1.00 g ml will sink in waterThe density of water is 1 gm/cm^3=1000 kg/m^3, therefore, any element or object with density greater than 1 will sink in water.
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Nickel ( 8910 kg/m^3 = 8.91 gm/cm^3)
5 0
3 years ago
1,4-Pentadiene has a AHhydro = -254 kJ/mol while trans-1,3-pentadiene has a AHhydra = -226 kJ/mol. Explain this difference in he
julsineya [31]

Answer:

trans-1,3-pentadiene is more stable than 1,4-pentadiene due to presence of a conjugated double bond.

Explanation:

Here, \Delta H_{hydro}=H(hydrogenated pdt.)-H(diene)

H(hydrogenated pdt.) is same for both 1,4-pentadiene and 1,3-pentadiene as they both produce pentane after hydrogenation

H(diene) depends on stability of diene.

More stable a diene, lesser will be it's H(diene) value (more neagtive).

trans-1,3-pentadiene is more stable than 1,4-pentadiene due to presence of a conjugated double bond.

Hence, \Delta H_{hydro} is higher (less negative) for trans-1,3-pentadiene

5 0
3 years ago
15 POINTS!! does anyone know the answer to this? is it A?
Norma-Jean [14]

Answer:

b.2

Explanation:

7 0
2 years ago
Read 2 more answers
PLEASE HELP...............................................
Serjik [45]
Umm its not a i think... lemme see lol

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3 years ago
How do i explain this step by step?
nignag [31]

Answer: hydrogen cleaves from HCl by donating it's only electron to form a radical and chloride ion. Ammonia share it's lone pair of electron with hydrogen to form ammonium ion

Explanation:

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