Answers edited by Doug2100
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What are the moles of substances present at equilibrium at #450^oC# if 1 mol #N_2# and 4 mol #H_2# in a 10 L vessel react according to the following equation?
#N_2(g)# + #3H_2(g)# #rightleftharpoons# #2NH_3(g)#
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1 mole nitrogen gas and 3 moles hydrogen gas form .05 moles NH3 @ equilibrium. What is Kc of the reaction?
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If the ring is initially at 99 degrees Celsius, what mass of water at 25 degrees Celsius is needed to lower the ring’s temperature to 38 degrees Celsius?
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If a #1 kg# object moving at #3 m/s# slows down to a halt after moving #8 m#, what is the friction coefficient of the surface that the object was moving over?
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How do you use Coulomb's law?