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shtirl [24]
2 years ago
9

The Solar System is so big, how do we explore it?

Chemistry
1 answer:
Tems11 [23]2 years ago
4 0

Answer:

space probe

Explanation:

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The molar mass of iron(Fe) is 55.8 g/mol. what is the mass in grams of 2.25 moles of iron?
AnnyKZ [126]

Try this solution:

if 1 mole is 55.8 gr., then 2.25 moles the mass should be 55.8*2.25=125.55 gr.


Answer: 125.55 gr.

7 0
3 years ago
What's the structure of Cl2O? Is it polar or non-polar?
lisabon 2012 [21]
Answer: C) Bent or angular, polar
Explanation:
The central atom oxygen has two lone pairs and two bond pairs in . The number of electron pairs are 4, that means the hybridization will be and the electronic geometry of the molecule will be tetrahedral. But as there are two lone pair of atoms around the central oxygen atom, repulsion between lone and bond pair of electrons is more and hence the molecular geometry will be bent shape.
The compound is polar as the net dipole moment of oxygen - fluoride bonds do not cancel each other out.

3 0
3 years ago
How many grams are in 0.35 moles of C2H6?​
dmitriy555 [2]

Answer:

10.524163999999896

Explanation:

6 0
3 years ago
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Alenkinab [10]

Answer: PNS, CNS is

Periferal nervous system. Central nervous system.

Explanation:

7 0
3 years ago
What does a high melting point temperature indicate about a substance?
Lilit [14]
They have strong intermolecular forces between their atoms, hence why more heat is necessary.
3 0
3 years ago
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