HELP getting frustrated

[shellcanada]

I am needing help on teaching my 12 yr old how to convert

2500cm3=____________mL

___________L

how do we convert centimeters cubed into millilters and liters and grams and kilograms?

thanks

this is in canadian

[convert-me.com]

I am needing help on teaching my 12 yr old how to convert

2500cm3=____________mL

___________L

how do we convert centimeters cubed into millilters and liters and grams and kilograms?

thanks

this is in canadian

cm3 and milliliter are in fact the same. So 2500 cm3 = 2500 mL.
Prefix "milli" always means 0.001 for any unit. You can find the list of metric prefixes handy. So 1 mL = 0.001 L, i.e. L = 1000 mL.

The same prefix rule works for grams and kilograms. Prefix "kilo" means 1000, so 1 kilogram = 1000 grams.

As for converting from liters/milliliters into grams/kilograms, there is no direct conversion since the former are units of volume and the latter are units of mass. Similar volumes of various substances may weigh differently. For example one liter of water is much lighter than one liter of mercury.

[Guest]

so how does that differ from before?:?

[Sean]

I'm 13 with busy work 8H Science HW and thanks for the help cus I would have been up all night![/b]

[ChemNerd]

im in high school chemistry, and we convert grams to milliliters/liters by using moles. you just go from milliliters/centimeters cubed to liters by dividing by 1,000 and do a simple conversion using 22.4 as a conversion factor because there are 22.4L in one mol.

[Guest]

im in high school chemistry, and we convert grams to milliliters/liters by using moles. you just go from milliliters/centimeters cubed to liters by dividing by 1,000 and do a simple conversion using 22.4 as a conversion factor because there are 22.4L in one mol.

True, for an ideal gas at STP (standard temperature and pressure). What do you do for other conditions, or for liquids and solids?

While the ideal gas law is useful in many practical situations, I hope they teach you it's limitations. For pressures in hundreds of atmospheres, or near the temperature at which the gas liquifies, errors are substantial for real gases.

[need help!]

so how do u convert 100cm3 into L??

please help!!!!! i'm so lost :(

[Guest]

well, Like he said: 100 cm3 is 100ml
there is a 1000ml in a L so: 1ml= 0.001 L

Therefore: 100 ml = 0.1 L

so: 100cm3 = 0.1L
200 cm3 = 0.2L
1000 cm3 = 1L

[Guest]

Stirctly speaking 100cm^3 is not 100ml
1 cubic centimeter is acually 0.999972ml. I am in year 13 right now studying chemistry and this was sumthing that we got drilled into us (not littereally :P)
small mistkles like that can lead to large error values later on in the calculations

[Leopold Plumtree]

Stirctly speaking 100cm^3 is not 100ml
1 cubic centimeter is acually 0.999972ml. I am in year 13 right now studying chemistry and this was sumthing that we got drilled into us (not littereally :P)

What was "drilled" into you was info that is over 40 years out of date.
From 1964 to present, 1 litre is defined as exactly 1 dm³, making 1 mL exactly 1 cm³.

[flower]

how do we convert cm cubed into grams?

[nattybug23]

Thanks so much to this site! I really understand conversions! Thank you so much! :lol: :D :wink: