Homework Help: chemisty

Posted by unknown on Wednesday, October 8, 2008 at 9:35pm.

Calculate the density of oxygen,O2 , under each of the following conditions:
1- STP
2- 1.00 atm and 35.0 C

chemisty - DrBob222, Wednesday, October 8, 2008 at 11:51pm
If its an ideal gas (which it isn't), the gas at STP will occupy 22.4 L/mol.
1 mol = 32 g for oxygen.
density = 32/22.4 = ??

For 308 K, determine how much 22.4 L will occupy from V1/T1 = V2/T2.
Then 32/V2 = ??
Check my thinking. Check my numbers.
chemisty - Entedar, Wednesday, June 3, 2009 at 12:05am
For part 1, STP is 1.43 which is correct.
chemisty - Wilson High School, Wednesday, November 11, 2009 at 8:37pm
1146 joules of heat is released when a 100.0 gram sample of an unknown metal cools from 95.00°C to 65.00°C. Determine the specific heat of a metal.
chemisty - Mat, Wednesday, February 24, 2010 at 4:19pm
1.43,1.27

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