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Mnenie [13.5K]
3 years ago
15

Sodium chloride is an ionic compound - it has a melting point of 800oC whereas chlorine is a gas has a melting point of -1200C.

Explain the differences in melting points of these 2 in terms of their structure and bonding
Chemistry
1 answer:
Tatiana [17]3 years ago
7 0

Answer:

Our discussion up to now has centered on types of bonds that involve. This kind of bonding is called ionic bonding (as you are almost certainly already aware). NaCl is a solid at room temperature, with a very high melting point (801 °C), similar highly reactive metal – sodium (Na), and a pale green gas – chlorine (Cl2).

Explanation:

I hope this is what you needed. I also hope that you have a great day.

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What is the wavelength of a 3 x 1012 Hz infrared wave?
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Answer:

D

Explanation:

wavelength = speed of light/ frequency

= (3 x 10^8 m/s) / (3 x 10^12 Hz)

= 1 x 10^-4 m

5 0
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Do strong acid and strong base have similar effects on protein solubility and denaturation
mafiozo [28]
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7 0
4 years ago
A sample of gas has a volume of 1.40 L at a pressure of 225 mmHg. What is the new volume at a pressure of 515 mmHg?
guajiro [1.7K]

Answer:0.61L

Explanation:

P1V1/n1T1=P2V2/n2T2

n1=n2 T1=T2

Therefore;

P1V1=P2V2

225×1.4=515×V2

V2=0.61L

N.B: Increase in pressure leads to decreases in volume (Boyle's law)

5 0
4 years ago
Whats the different between chemical property and chemical change, and physical property and physical change?
storchak [24]

Answer:

I think the answer is A physical property is a characteristic of a substance that can be observed or measured without changing the identity of the substance. Physical properties include color, density, hardness, and melting and boiling points. A chemical property describes the ability of a substance to undergo a specific chemical change.

Explanation:

I hope this helps.

6 0
3 years ago
1.5 L of gas held under 1.0 atm, has the pressure increased to 303.9kPa, what is the new volume of the gas, if the temperature i
Ronch [10]

Answer: 1/2L

Explanation:

Volume and pressure are changed, so use Boyle's law.

P1V1=P2V2

Convert 303.9kpa to atm by mutiplying by (1/101.3)=3atm

Plug in:

1.5(1)=3(V2)

V2=1/2 L

This makes sense since volume and pressure are inversely proportional. The pressure is increased, so the volume must decrease.

6 0
3 years ago
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