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3 years ago

Which characteristic is a property of molecular structures

1 answer:

3 0

Molecular substances tend to be gases, liquids or low melting point solids, because the intermolecular forces of attraction are comparatively weak.

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A sample of methane (CH4) has a volume of 25 mL at a pressure of 0.80 atm. What is the volume of the gas at each of the followin

Xelga [282]

Answer:

a. 50ml b.10ml c. 6.097ml d. 190.1 ml

Explanation:

According to Boyle's law

Volume is inversely proportional to pressure at constant temerature

Mathematically

P1V1=P2V2

P1=Initial pressure=0.8atm

V1=Initial volume=25ml

making V2 the subject

at 0.4atm P2=0.4 atm,

V2=25×0.8/0.4

=50ml

at 2 atm V2=25×0.8/2

=10 ml

1mmHg=0.00131579

2500mmHg=3.28 atm

At 3.28 atm,V2=25×0.8/3.28

=6.097 ml

at 80.0 torr

1 torr=0.00131579

80 torr=0.1052 atm

at 0.1048 atm V2=25×0.8/0.1048

=190.1 ml

4 0

3 years ago

What three relationships are true at equilibrium

Lyrx [107]

Here Ecell = 0, and ∆G = 0, and Q = K equation are three relationships are true at equilibrium.

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3 years ago

Draw the orbital diagram for the valence shell of each of the following atoms:

kodGreya [7K]

Answer:

Explanation:

✰Ⓣⓔⓔⓗⓔⓔ✰

8 0

3 years ago

Magnesium burns with a very bright light. When the flame goes out, a White powder is left behind. what is the word equation for

melisa1 [442]

When magnesium is burned, it reacts with oxygen in air not with the fire. The fire is the energy needed for the reaction to happen. Magnesium reacts with oxygen forming magnesium oxide. The light emitted from the reaction is because the reaction produced a lot of heat.

6 0

3 years ago

Please hwelp mee with thwis..

Julli [10]

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1. matter

2. oxygen

3. water

4. hydrogen

5. compound

hope it helps :)

7 0

3 years ago