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Aleks04 [339]
2 years ago
11

Unit 2 Test

Chemistry
1 answer:
Dafna11 [192]2 years ago
3 0

Answer:

the answer to this question is producer

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What is the molar mass of water (H2O)?
Sidana [21]

Answer:

The molar mass is: 18.02 g/mol.

Explanation:

  • Mass of two moles of Hydrogen atoms (H2) = 2x 1 g/mol = 2 g/mol.
  • Mass of one mole of water (H2O) = 2 g/mol + 16 g/mol = 18 g/mol.

1 mole of Hydrogen= 1.01, so if we have 2 moles of it here, that would be 2.02.

1 mole of Oxygen (that's all we have here)= 16.00

Once you add the two together (2.02+16.00), you will get 18.02.

I hope this made sense! Have a great day!

3 0
3 years ago
Water, H2O, is a molecule made of oxygen and hydrogen. The bonds that hold water molecules together are due to shared electrons,
defon
Answer: A. covalent bonds
5 0
3 years ago
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How many moles of coF3 are produced when 1.25 moles of 3co reacts
oee [108]

Answer:

1.25 moles

Explanation:

First, we need to balance the equation. Essentially, this means making sure we have the same number of each atom on each side.

On the left side, we currently have:

- 1 Co atom

- 2 F aomts

On the right side, we have:

- 1 Co atom

- 3 F atoms

To balance it, add a 2 to Co on the left, 3 to F2 on the left, and 2 to CoF3 on the right:

2Co+3F_2 → 2CoF_3

Now, we have 1.25 moles of Co, and since the ratio between Co and CoF3 is 1:1, we also have 1.25 moles of CoF3.

Thus, the answer is 1.25 moles.

7 0
3 years ago
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A bond dipole is the______ charge distribution between two bonded atoms with_________ electronegativities. A molecular dipole mo
almond37 [142]

Answer:

Unequal,different,dipole moment,dipole moment,polar

Explanation:

A bond dipole is the unequal charge distribution between two bonded atoms with different electronegativities .A molecular dipole moment is the three dimensional sum of all the bond dipoles in a molecule.(A dipole moment is measurable physical property;a dipole moment is not measurable unless the molecule is polar.

4 0
3 years ago
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Sedimentary rocks form when broken bits of other rock are deposited and then –
Phantasy [73]

Then... (What is the other part of the question...?)

8 0
3 years ago
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