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agasfer [191]
3 years ago
10

Which is carried by waves? disturbance energy matter space

Chemistry
2 answers:
MariettaO [177]3 years ago
7 0
I believe the answer would be energy
natta225 [31]3 years ago
7 0

energy is being carried by waves.

:took the assessment

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Nadya [2.5K]
There are exactly (a). 10.0 and (b). 28.0
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How much of your blood is made of Plasma? A)10% <br> B)25% c)40% d)50%
Sveta_85 [38]

Answer:

D

Explanation:

4 0
3 years ago
How many polar bonds are found in this molecule
Law Incorporation [45]
A bond is non polar if it is between same atoms and polar if it is between different atoms.

Same atoms are like two dogs of same strength pulling a bone towards towards each other. But when it’s different atoms it’s like a big dog and small dog then the bone is more towards bigger dog. So it’s the same way in bonds.

Bonds are made up of electrons, when the more stronger pulling atom is present than other the electrons are more towards it and as a result we have polar bond. There is development of a kind of a negative pole and a positive pole.

The stronger atom has electrons towards itself so it has a little more negative charge while the other atom has positive charge. This makes bond polar.

So just look for bond between two different atoms, it would be polar.

Look at the pic below to see the answer.

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Well the answer should have been 10 but since the bonds at 3 and 8 are two of same type we count only one of them.


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6 0
2 years ago
Cinnamon owes its flavor and odor to cinnamaldehyde (C9H8O). Determine the boiling point elevation of a solution of 92.7 mg of c
Flauer [41]

Answer:

The boiling point elevation is 3.53 °C

Explanation:

∆Tb = Kb × m

∆Tb is the boiling point elevation of the solution

Kb is the molal boiling point elevation constant of CCl4 = 5.03 °C/m

m is the molality of the solution is given by moles of solute (C9H8O) divided by mass of solvent (CCl4) in kilogram

Moles of solute = mass/MW =

mass = 92.7 mg = 92.7/1000 = 0.0927 g

MW = 132 g/mol

Moles of solute = 0.0927/132 = 7.02×10^-4 mol

Mass of solvent = 1 g = 1/1000 = 0.001 kg

m = 7.02×10^-4 mol ÷ 0.001 kg = 0.702 mol/kg

∆Tb = 5.03 × 0.702 = 3.53 °C (to 2 decimal places)

6 0
3 years ago
Can anyone help me for these 2 questions
Fynjy0 [20]
1.D 2.A that is pretty hard
3 0
3 years ago
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