HELP WITH MEASUREMENTS? Was there a typo or mistake in this problem?

- Fanduekisses

HELP WITH MEASUREMENTS? Was there a typo or mistake in this problem?

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- Fanduekisses

I'm supposed to make measurements but the values decrease?

- Fanduekisses

It makes no sense to me.

- triciaal

are you just reading? i see 1.2, 6.65, 12.09

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## More answers

- Fanduekisses

Yes, but are the cylinders upside down?

- Fanduekisses

Why does it go from greatest to least?

- imqwerty

yes the value can decrease because of cohesive forces :)

- welshfella

weird!!

- Fanduekisses

But are the numbers in a measuring cylinder in that order?

- imqwerty

maybe :)
|dw:1440966180005:dw|

- triciaal

where/what is the complete question?

- triciaal

I think the idea is to make sure you read at the bottom of the meniscus

- Fanduekisses

It's from my intro to chemistry course, measurements and significant figures lesson.

- triciaal

so you are just identifying what each unit mark means

- Fanduekisses

So is it 2.2 mL, 0.4 mL, and 0.9mL?

- Fanduekisses

nvm idk

- Fanduekisses

nvm idk

- triciaal

where did you get those values?

- Fanduekisses

I looked at the greatest number... and subtracted.. but nvm I'm just so confused, do you understand this?

- triciaal

take a deep breath

- 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

look at the first one

- Fanduekisses

ok 1.2

- 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

But why are the numbers in that order?

- Fanduekisses

Was it a typo?

- 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

ok

- 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

no I think we read right side up

- Fanduekisses

Thanks ^_^

- triciaal

I can't go back that far to think what a measuring cylinder in the lab looks like sad

- triciaal

do you see why the last reading was not 0.9 but 0.09 for the partial?

- Fanduekisses

Because it doesn't touch the line? it looks like there is a space of about 0.01 between?

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