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Solnce55 [7]
3 years ago
14

There are many, many stars in our Universe. In which of the following do all stars appear to be quite similar?

Chemistry
1 answer:
Ksenya-84 [330]3 years ago
6 0
D. Age is the answer
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What intermolecular force(s) is/are present in solid SO3?
guapka [62]

Answer:

1. London dispersion

Explanation:

Sulphur trioxide ( SO₃ ) -

The chemical compound SO₃ is planar in structure , the only intermolecular forces shown by SO₃ is the London forces .

dipole - dipole is not observed in this compound , as it is not possible to generate poles between the sulfur and oxygen atom due to very less difference in the electronegativity .

Hydrogen bonding is also not observed , because there is not hydrogen atom .

Hence , only London forces are observed in SO₃ .

5 0
3 years ago
What is the mass, in grams of a pure iron cube that has a volume of 4.20cm^3
Dmitriy789 [7]
d_{Fe}=7874\frac{kg}{m^{3}}=7,874\frac{g}{cm^{3}}\\
V=4,2cm^{3}\\\\
m=dV=7,784\frac{g}{cm^{3}}*4,2cm^{3}\approx 32,7g
6 0
3 years ago
Does anyone know Coulomb’s law??
Ierofanga [76]

Answer:

the force between charged particles increases when they are in solid form

3 0
3 years ago
How many milliliters of 0.0510 m edta are required to react with 50.0 ml of 0.0200 m cu2 ?
krok68 [10]
Cu  ions plus EDTA2-   ->cu(EDTA)2-  plus 2H-
   number  of  moles  of  CU  ions  used  which is   equal to  molarity  multiplied  by    volume  in  litres
that  is  50xo.o2  divided  by 1000  that  is  0.001moles
Since  ratio  is  1:1  the  moles  of EDTA  is  also0.001moles
volume  of  EDTA  is  0.001  divided  by  0.0510m  which  is  0.0196  litres in  ml is  0.0196x1000  which  is  19.61ml
4 0
3 years ago
What does evaporation produce?
baherus [9]

Answer:

C. Water Vapor

Explanation:

Hope this helps! Have an Amazing day!!

7 0
2 years ago
Read 2 more answers
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