The conversion factor that is used to change mass to moles is? Posted on June 26, 2009 by admin Reply No N asked: Create a video blog
Chemistry Help! Grams to liters conversion? Posted on July 21, 2008 by admin 1 so there is .7777 grams of hydrogen or h2 or .385 moles. it needs to be converted into liters. At room temperature and pressure the volume of a mole of any gas is 24 liters. Please help, thanks 22.4 is not rightBy: dbj7904About the Author: Create a video blog…instantly.
A hydrogen fuel cell stack(terminal voltage 9V) has an internal resistance of 1 Ohms. It is connected to hydrogen and oxygen reservoirs. It is being charged using a battery of 11 V terminal voltage and 1 Ohms internal resistance. a. How many moles Hydrogen are produced per second? How long does one have to charge to store 10kJ in chemical energy (the energy content of hydrogen is 242 kJ/mol of Hydrogen)? b. What is the conversion efficiency from chemical energy in the battery into chemical energy of hydrogen? c. Now the fuel cell is used as a source to operate a device w/ 5 Ohms resistance. What is the power consumed by the device? What is the conversion efficiency from Hydrogen-chemical-energy into energy consumed by the device? Posted on May 8, 2008 by admin 1 fertig asked: Caffeinated Content for WordPress
Special Effects? Posted on May 8, 2008 by admin 1 chemhelp1990 asked: Caffeinated Content for WordPress