Recent content by Gaith

Homework Statement 0.60kg of ice at O degrees C, 2.0 kg of water at 0 degrees 0 degrees, 3kg of iron at 325 degrees C are place in a sealed and insulated container. The specific heat for iron is c=400J/kg degree C, for water is c=4200J/kgdegree, for water is c=4200J/kgdegree celsius, for ice is...

Wow I can't believe how I didnt see that. Thank you for pointing out my stupid mistake!

Ok so you're telling me I can just plug in the numbers and get the answer like this H=(5.67x10^-8)(0.8)(0.2x0.5)(500)^4 The answer is still incorrect...

Homework Statement Energy can be transmitted via radiation, the rate at which this happens is H=σAT4. A bar of iron is 0.5m long, 0.2m wide and 0.2m high. Iron has a density of 7900 kg/m3, a heat capacity of 400J/kgC, and a coefficient of linear expansion of 1.2x10-5 What is the rate at which...

Homework Statement [/B] 50 moles of an ideal gas for which Cp= 5/2R and Cv=3/2R initially has a pressure of 1x10^5 Pa, and a volume of 1.0m^3. It undergoes a process where the pressure and volume both double while they stay proporitional to each other: P=constV. What is the change in...