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Author Topic: Which weighs more, cotton or gold?  (Read 1461 times)

Silver Bullet

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Which weighs more, cotton or gold?
« on: May 26, 2020, 10:12:09 PM »

1) Which weighs more, an ounce of gold or an ounce of cotton?


2) Which weighs more, a pound of gold or a pound of cotton?


3) Which weighs more, an ounce of cotton or an ounce (fluid) of water?

charby

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Re: Which weighs more, cotton or gold?
« Reply #1 on: May 26, 2020, 10:33:25 PM »

Troy?
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HeroHog

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Re: Which weighs more, cotton or gold?
« Reply #2 on: May 26, 2020, 10:50:40 PM »

1 =
2 =
3 cotton oz < H20 Liquid oz
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zxcvbob

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Re: Which weighs more, cotton or gold?
« Reply #3 on: May 26, 2020, 10:59:40 PM »

1) A troy ounce is about 10% heavier than an av. (I can't spell it) ounce, so the ounce of gold is heavier.
2) A troy pound is only 12 troy ounces and a av. pound is 16 ounces, so even tho' the troy ounce is heavier it's not that much heavier.  So the pound of cotton is heavier
3) Water is slightly denser than one ounce per fluid ounce, so the water weighs more.
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WLJ

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Re: Which weighs more, cotton or gold?
« Reply #4 on: May 26, 2020, 11:00:22 PM »


3) Which weighs more, an ounce of cotton or an ounce (fluid) of water?

US fluid ounce or Imperial ?
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zxcvbob

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Re: Which weighs more, cotton or gold?
« Reply #5 on: May 26, 2020, 11:01:10 PM »

US fluid ounce or Imperial ?

You get the same answer either way ;)
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WLJ

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Re: Which weighs more, cotton or gold?
« Reply #6 on: May 26, 2020, 11:04:46 PM »

You get the same answer either way ;)

By my math
US fluid oz = 1.0430511 oz
Imperial fluid oz = 1.0000168 oz Pretty darn close to 1
“Think of how stupid the average person is, and realize half of them are stupider than that.”
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zxcvbob

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Re: Which weighs more, cotton or gold?
« Reply #7 on: May 26, 2020, 11:15:20 PM »

Really?  I thought an Imperial fl ounce had more volume than a US ounce, so I didn't look it up  :facepalm:
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TommyGunn

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Re: Which weighs more, cotton or gold?
« Reply #8 on: May 26, 2020, 11:18:02 PM »

A pound is a pound is a pound.   I can't believe this thread has gone on this long.   :old:    ???     [popcorn]
MOLON LABE   "Through ignorance of what is good and what is bad, the life of men is greatly perplexed." ~~ Cicero

HeroHog

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Re: Which weighs more, cotton or gold?
« Reply #9 on: May 26, 2020, 11:39:57 PM »

Me either, I "won" it right out the gate!
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230RN

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Re: Which weighs more, cotton or gold?
« Reply #10 on: May 27, 2020, 12:46:31 AM »

 Ounce upon a midnight dreary, while I pondered, weak and weary...a

... that's all I got this late...

Silver Bullet

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Re: Which weighs more, cotton or gold?
« Reply #11 on: May 27, 2020, 01:03:30 AM »

1) A troy ounce is about 10% heavier than an av. (I can't spell it) ounce, so the ounce of gold is heavier.
2) A troy pound is only 12 troy ounces and a av. pound is 16 ounces, so even tho' the troy ounce is heavier it's not that much heavier.  So the pound of cotton is heavier
3) Water is slightly denser than one ounce per fluid ounce, so the water weighs more.

This is correct.   :cool:

Ounce (avoirdupois) of cotton = 28.35 grams.
Ounce (troy) of gold = 31.10 grams.
Ounce (liquid) of water = 29.57 grams.
Pound (avoirdupois) of cotton = 453.6 grams.
Pound (troy) of gold = 373.3 grams.

The two "tricks" are that gold is measured in troy ounces, which is heavier than an ounce of cotton (measured in avoirdupois); and that a troy pound only has 12 troy ounces, compared to an avoirdupois pound which has 16 avoirdupois ounces.

The ounce of water is just thrown in for added confusion.   :lol:

230RN

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Re: Which weighs more, cotton or gold?
« Reply #12 on: May 27, 2020, 01:06:17 AM »

Are those American or English grams?

Silver Bullet

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Re: Which weighs more, cotton or gold?
« Reply #15 on: May 27, 2020, 01:17:51 AM »

A pound is a pound is a pound.   I can't believe this thread has gone on this long.   :old:    ???     [popcorn]

Not true.  A dog pound weighs way more than an avoirdupois pound.   :P

Hawkmoon

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Re: Which weighs more, cotton or gold?
« Reply #16 on: May 27, 2020, 01:50:19 AM »

Not true.  A dog pound weighs way more than an avoirdupois pound.   :P

That's because there are so few avoirdupois rescue agencies.

230RN

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Re: Which weighs more, cotton or gold?
« Reply #17 on: May 27, 2020, 06:18:50 AM »

Metric

I really don't carat all.  I take it all with 64.799 milligrams of salt anyway.  I'm going to take a 324mg aspirin pill now.

Terry, 230RN
« Last Edit: May 27, 2020, 06:49:51 AM by 230RN »

Brad Johnson

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Re: Which weighs more, cotton or gold?
« Reply #18 on: May 27, 2020, 09:47:24 AM »

African or European swallow?

Brad
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TommyGunn

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Re: Which weighs more, cotton or gold?
« Reply #19 on: May 27, 2020, 10:08:22 AM »

Not true.  A dog pound weighs way more than an avoirdupois pound.   :P
:facepalm:

If you say so .....  ;/
MOLON LABE   "Through ignorance of what is good and what is bad, the life of men is greatly perplexed." ~~ Cicero

Ben

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Re: Which weighs more, cotton or gold?
« Reply #20 on: May 27, 2020, 10:18:43 AM »

African or European swallow?

Brad

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MechAg94

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Re: Which weighs more, cotton or gold?
« Reply #21 on: May 27, 2020, 10:52:57 AM »

Technically, a "fluid" can be liquid or gas.  How do you weigh water vapor?
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230RN

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Re: Which weighs more, cotton or gold?
« Reply #22 on: May 27, 2020, 11:52:28 AM »

^ You can dense it out.

Silver Bullet

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Re: Which weighs more, cotton or gold?
« Reply #23 on: May 27, 2020, 11:56:05 AM »

Quote
Technically, a "fluid" can be liquid or gas.

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

“A fluid ounce (abbreviated fl oz, fl. oz. or oz. fl. … is a unit of volume (also called capacity) typically used for measuring liquids.”   :old:

Nick1911

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Re: Which weighs more, cotton or gold?
« Reply #24 on: May 27, 2020, 12:06:38 PM »

Technically, a "fluid" can be liquid or gas.  How do you weigh water vapor?

I have an old book with steam tables that have that sort of information.

However at standard temperature and pressure, water vapor is more commonly encountered as a mixture with air.  For that, psychometric charts list the specific volume of air/water vapor mixtures.

Fun side note, as more water vapor is added to air at a constant temperature, the specific volume increases - or in other words, the density decreases.
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