Question

why does weaker bonds mean a higher melting point?

Answer 1

Do you mean intermolecular bonds? Use common sense what does a higher melting point entail?

Answer 2

intermolecular bonds

Answer 3

Yeah that is what I though bleh smeh, well do you have any guess at all?

Answer 4

they are harder to break? they aren't weak?

Answer 5

Remember,

Cold ----------> Hot
Solid -> Liquid -> Gas


So we are going from,
Solid -> liquid

So we are increasing temperature at which the intermolecular bonds become farther apart in space and have a weaker interaction.

Answer 6

Distance between molecules
Solid < Liquid < Gas

Answer 7

Can you answer this question now?

Answer 8

Just think about what is a solid, liquid and what is a gas at normal temperatures then think about their interactions

Answer 9

So,

Helium is a gas does it have strong or weak interactions?
Water is a liquid does it have strong or weak interactions?
Kevlar is a solid does it have strong or weak interactions?
https://en.wikipedia.org/wiki/Kevlar

Answer 10

distance btwn solid, liquid, gas is solid is close together, liquid is apart and gas is far apart

Answer 11

that is right but think about what the question is saying

Answer 12

or rather define a weak bond.

Answer 13

because of the temperature that is increasing?

Answer 14

Define a weak bond, what is a weak bond?

Answer 15

Answer that first.

Answer 16

If you are lost just tell me.

Answer 17

easy to break compared to other bonds

Answer 18

So the amount of energy you need to put into them in order to break them is very little relative to other bonds! Now read you question.

Answer 19

What does a high melting point entail?

Answer 20

i dont like getting the answers tbh, explaining would be better . A high melting point is is when a solid turns into a liquid, its the same as freezing point

Answer 21

What do you have to do to melt something?

Answer 22

Im trying to guide you to the answer

Answer 23

it needs to be at a high temperature,

Answer 24

Stronger bonds require more energy to be input and be broken.

Answer 25

Well yes you need to increase the temperature of the substance to change it from a solid to a liquid. So do substances with weaker bonds really have higher melting points?

Answer 26

When you think about intermolecular bonds think about them in terms of energy.

Answer 27

It really depends on the compound you're referring to. Some compounds have different intermolecular forces.

Answer 28

not always?

Answer 29

abb0t, the types of intermolecular forces are irrelevant to this question.


Christine314 THINK CRITICALLY!

Answer 30

Strong intermolecualer bonds -> Need lots of energy to be broken
Weak Intermolecular bonds -> Need not very much energy to be broken

(Remember this is relative to the substance and isnt exactly correct)
Solids -> Have intermolecular bonds that are relatively stable and hardly ever break
Liquids -> Have intermolecular bonds that are forming and breaking all the time
Gas -> rarely form intermolecular interactions
(Remember this is relative to the substance and isn't exactly correct)

Answer 31

That is true but that has to do with intermolecular forces more than chemical bonding, that is more of a generalization as well.

Answer 32

You are getting off topic abb0t

Answer 33

you guys are awesome...

Answer 34

You finally got it christine314?

Answer 35

btw how would i give you guys medals?

Answer 36

hit blue button

Answer 37

give it to me!!

Answer 38

Why what did you do abb0t?

Answer 39

ugh! I hate you christine!

Answer 40

I wish i can give it to both of you guys! I'm not the type of person to just like the answer given to me, I like when someone expains it to me :)

Answer 41

abb0t stop being a troll, also what you stated above,

"It really depends on the compound you're referring to. Some compounds have different intermolecular forces."

Is probably a huge generalization! I would bet you there are polymers that exist that have extremely high melting points.

Answer 42

Fair enough christine314, they use to allow the awarding of multiple medals I gave him one though, even though I don't really think he did that much, to convey the concept for you.

Tell me your answer now though, I want to see if it is right.

Answer 43

If you can find that polymer, I'll give you a medal myself + an added bonus. How about that?

Answer 44

so the answer is water bonds mean a higher melting point because of the temperature and doesn't take enough energy so the higher the temperature is, the faster it breaks?

Answer 45

https://en.wikipedia.org/wiki/Polyaryletherketone

Answer 46

And, I am referring to an organic species, NOT inorganic. Also, excluding graphite.

Answer 47

I know the difference, it seems you are right though abb0t. What about diamonds those have really crazy melting conditions.

Answer 48

Christine14,

You are still wrong. Think about the question critically!

Answer 49

darn it!

Answer 50

Organic means made with carbon abb0t, so you can't really exclude graphite.

Answer 51

and call it inorganic

Answer 52

sorry for not getting it correctly..

Answer 53

I retract my statement that you are correct abb0t

Answer 54

Don't apologize we are all wrong once in awhile, this is a trick question to btw

Answer 55

that's why im thinking so hard lol

Answer 56

Imagine a peer is asking you this question.

Answer 57

Then look at my post above where I summed up what constitutes a solid, liquid and gas and what a strong and weak bond are

Answer 58

I know them

Answer 59

Graphite is not organic. By definition, it should consist of both carbon \(and\) hydrogen.

Answer 60

Well read the question to yourself again then

Answer 61

Same goes for diamond.

Answer 62

I did so many times lol. The answer i thought about, was wrong :/ maybe im thinking too hard

Answer 63

Abb0t I think that definition is debatable but if we do go by your definition though I suppose you are correct, but I still have doubt in my mind that is impossible for an organic molecule to reach extreme melting temperatures.

Answer 64

or rather for one to exist

Answer 65

I'm in no way an expert in polymer chemistry

Answer 66

case and point.

Answer 67

i feel stupid

Answer 68

christine314

Stop thinking the question is correct.

Answer 69

You aren't stupid christine314 we all have these moments where we just cant get something maybe come back to it in an hour

Answer 70

If you find yourself spending too much time on a single question give it a rest for a bit.

Answer 71

im going to re read it and hopefully ill understand it

Answer 72

pay close attention to,

Stop thinking the question is correct.

Answer 73

so the actual question is trying to confuse me by thinking its correct?

Answer 74

yes

Answer 75

it isnt trying to confuse you, it is testing to see if you understand the concepts

Answer 76

that explains it

Answer 77

it is also teaching you a valuable lesson

Answer 78

Can you answer it now?

Answer 79

the lesser bonds is more likely to reach its melting point?

Answer 80

use terms strong and weak

Answer 81

the weaker bonds is more likely to reach the point? idk if im saying it correctly

Answer 82

http://img.sparknotes.com/content/testprep/bookimgs/sat2/chemistry/0003/sat117002_0501.gif

Answer 83

WEAKER BONDS REQUIRE LESS ENERGY TO BREAK DOWN THE BONDS TO MELT. THE LESS ENERGY REQUIRED, THE EASIER IT IS, THE LOWER THE MELTING POINT?

Answer 84

that sounds about right

Answer 85

you should also state that the question is incorrect

Answer 86

ok, thank you so much, i wish i can give you a dozen medals lol

Answer 87

No problem