Fanduekisses
  • Fanduekisses
HELP WITH MEASUREMENTS? Was there a typo or mistake in this problem?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Fanduekisses
  • Fanduekisses
I'm supposed to make measurements but the values decrease?
Fanduekisses
  • Fanduekisses
It makes no sense to me.
triciaal
  • triciaal
are you just reading? i see 1.2, 6.65, 12.09

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Fanduekisses
  • Fanduekisses
Yes, but are the cylinders upside down?
Fanduekisses
  • Fanduekisses
Why does it go from greatest to least?
imqwerty
  • imqwerty
yes the value can decrease because of cohesive forces :)
welshfella
  • welshfella
weird!!
Fanduekisses
  • Fanduekisses
But are the numbers in a measuring cylinder in that order?
imqwerty
  • imqwerty
maybe :) |dw:1440966180005:dw|
triciaal
  • triciaal
where/what is the complete question?
triciaal
  • triciaal
I think the idea is to make sure you read at the bottom of the meniscus
Fanduekisses
  • Fanduekisses
It's from my intro to chemistry course, measurements and significant figures lesson.
triciaal
  • triciaal
so you are just identifying what each unit mark means
Fanduekisses
  • Fanduekisses
So is it 2.2 mL, 0.4 mL, and 0.9mL?
Fanduekisses
  • Fanduekisses
nvm idk
Fanduekisses
  • Fanduekisses
nvm idk
triciaal
  • triciaal
where did you get those values?
Fanduekisses
  • Fanduekisses
I looked at the greatest number... and subtracted.. but nvm I'm just so confused, do you understand this?
triciaal
  • triciaal
take a deep breath
triciaal
  • triciaal
applying this to chemistry I still think you are just learning to read at the bottom of the meniscus and to identify the value
triciaal
  • triciaal
look at the first one
Fanduekisses
  • Fanduekisses
ok 1.2
triciaal
  • triciaal
the bottom of the curve (the meniscus) is at the second marker and each marker is 0.1 so the measurement is 1 + 2*.1 = 1.2
Fanduekisses
  • Fanduekisses
But why are the numbers in that order?
Fanduekisses
  • Fanduekisses
Was it a typo?
triciaal
  • triciaal
the 2nd one the "line is between the .6 and the .7 and we have 6 whole units reading is 6 + 0.6 + 0.05 = 6.65
Fanduekisses
  • Fanduekisses
ok
Fanduekisses
  • Fanduekisses
So it doesn't matter how it looks? I'm sorry if I'm sound obsessed but I was just confused because in real life a graduated cylinder looks different. lol
triciaal
  • triciaal
no I think we read right side up
Fanduekisses
  • Fanduekisses
Thanks ^_^
triciaal
  • triciaal
I can't go back that far to think what a measuring cylinder in the lab looks like sad
triciaal
  • triciaal
do you see why the last reading was not 0.9 but 0.09 for the partial?
Fanduekisses
  • Fanduekisses
Because it doesn't touch the line? it looks like there is a space of about 0.01 between?

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