3 years ago

How can one describe the bond between the two atoms of hydrogen to the one atom of oxygen within a molecule of water (h2o)?

Chemistry

1 answer:

Digiron [165]3 years ago

4 0

There are O-H bonds in H2O. They have the intramolecular force of polar covalent bond.

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Acetaminophen (C8H9NO2) is the active ingredient in many nonprescription pain relievers. Each tablet contains 500 mg of acetamin

ohaa [14]

1) Molar mass C8H9NO2

Element Atomic mass    # of atoms mass
   g/mol g
C 12 8 12*8 = 96
H 1 9    1*9 = 9
N    14    1    14*1 = 14
O    16 2 16*2 = 32

      molar mass = 96 + 9 + 14 + 32 = 151 g/mol

2) Number of mols in a tablet

# of moles = mass / molar mass = 0.500 g / 151 g/mol = 0.003311 moles

3) 3 doses * 2 tablets * 0.003311 moles / tablet = 0.020 moles

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3 years ago

What happens when magma cools either underground or on the surface and hardens?

exis [7]

I think it turns into an igneous rock

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Suppose you were to quickly throw a ball in outer space. Would it slow down as quickly in space, as it does in Earth? Explain wh

Sholpan [36]

Answer:It would never stop until something hit the ball, to slow it down.

Explanation:

This is so because there is no gravitational pull in space.

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3 years ago

Draw the structure of an alkane or cycloalkane that has more than three but fewer than ten carbon atoms, and only primary hydrog

goldfiish [28.3K]

Answer:

The structures are shown in the figure.

Explanation:

The primary hydrogens are those which are attached to primary carbon.

Primary carbons are the carbons which are attached to only one carbon.

Primary carbons is bonded to three hydrogens.

In order to draw such structure we will draw structures which will have carbon with three hydrogens or no hydrogens (quaternary)

The structures are shown in the figure with clear marking.

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List three ways the rate of solvation of sodium chloride in water may be<br> increased

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Answer:

1) Increasing temperature

2) Stirring

3) Increasing surface area of salt by grinding it

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