A 161 kg piece of zinc at 68 degrees celsius is placed in a
A 16.1 kg piece of zinc at 68 degrees Celsius is placed in a container of water. The water has a mass of 20 kg and has a temperature of 13.6 degrees Celsius before the zinc is added. What is the final temperature of the water and zinc?
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a system receives 625 j of heat and delivers 315 j of work calculate the change in the internal energy e of the systema
a camera is focused on a group of people 3 m from the lens wjocj jas a focal lenght of 50 mm 005 ma what is the
the absorbance of monensin a uv-absorbing compound is used to measure its concentration in a pharmaceutical preparation
115 grams of kcl is dissolved in 750ml of water assume density1005gml what are the molality molarity mole fraction mole
a 161 kg piece of zinc at 68 degrees celsius is placed in a container of water the water has a mass of 20 kg and has a
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a 200mw laser pulse is focused with a lens to a diameter of 15 mu ma what is the laser beams electric field amplitude
when 46 mol o2 is heated at a constant pressure of 325 atm its temperature increases from 252 k to 300 k given that the
an object with a mass of m 48 kg is attached to the free end of a light string wrapped around a reel of radius r 0265
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