Chemistry, 16.04.2021 03:50, chimbali9736
A 20.0 g lead ball is heated in a Bunsen burner to 705 degrees C. It is then dropped into a 500.0 g water bath. What is the initial temperature of the water if the final temperature is 35 degrees celsius? The Cp of lead is 0.13 J/g degrees Celsius.
What is the energy lost of the metal?
What is the waters temperature change?
What was the waters initial temp?
Answers: 1
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High-pressure liquid chromatography (hplc) is a method used in chemistry and biochemistry to purify chemical substances. the pressures used in this procedure range from around 500 kilopascals (500,000 pa) to about 60,000 kpa (60,000,000 pa). it is often convenient to know the pressure in torr. if an hplc procedure is running at a pressure of 1.03×108 pa , what is its running pressure in torr?
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A 20.0 g lead ball is heated in a Bunsen burner to 705 degrees C. It is then dropped into a 500.0 g...
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