Chemistry, 26.06.2019 13:50 elizabethivy75
Calculate the standard change in gibbs free energy for the following reaction at 25 °c. δg°f values can be found here. 6cl2(g) + 2fe2o3(s) --> 4fecl3(s) + 3o2(g)
Answers: 2
Chemistry, 21.06.2019 21:00, tamikagoss22
Agas in a balloon at constant pressure has a volume of 160 ml at -125*c. what is its volume at 29.0*c?
Answers: 1
Chemistry, 22.06.2019 11:40, Wemaybewrong
Modern pennies are composed of zinc coated with copper. a student determines the mass of a penny to be 2.482 g and then makes several scratches in the copper coaling (to expose the underlying zinc). the student puts the scratched penny in hydrochloric acid, where the following reaction occurs between the zinc and the hcl (the copper remains undissolved): zn(s) + 2 hcl(aq) → h2(g) + zncl(aq)the student collects the hydrogen produced over water at 25 °c. the collected gas occupies a volume of 0.899 l at a total pressure of 79 j mmhg. calculate the percent zinc (by mass) in the penny. (assume that all the zn in the penny dissolves.)
Answers: 1
Chemistry, 22.06.2019 23:00, hailey5campbelp7d1c0
In which region is the substance in both the solid phase and the liquid phase? 1 2. 3 4 mark this and return save and exit next
Answers: 2
Calculate the standard change in gibbs free energy for the following reaction at 25 °c. δg°f values...
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