Please help with this chemistry problem!!?

Posted on 2014-12-12 05:49:00 in Chemistry by RYAN

An ideal gas in a cylinder expands against a constant external pressure of 1.00 atm from a volume of 3.83 L to a volume of 9.57 L at a constant temperature. Pressure initial =2.5 atm. W= -582 j.The piston is connected to a paddle which turns in a 1.00 L (1000 g) container of water at 25.0oC. Calculate the change in temperature of the water brought about by the turning of the paddle. assuming that all of the work done by the system is changed into heat which is transferred to the water.

(This is very similar to the experiment carried out by Joule to demonstrate the interconversion of heat and work, i.e. the 1st Law of Thermodynamics.)
What does delta T=

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