2) A student tried to make a thermodynamically spontaneous cell at 298 K composed of 100. mL of 1.00 M Mg2+ (aq) in one beaker with a magnesium electrode and 100. mL of 1.00 M Al3+ (aq) in another beaker with an aluminum electrode. The beakers are connected with a porous disc and the electrodes are
connected with a wire connected to a voltmeter:
Al3+ (aq) + Mgs → Mg2+ (aq) + Al(s) E° = +0.71 V
The student ran out of magnesium nitrate and could only make 100. mL of a Mg2+ solution with a
concentration of 0.75 M. What effect, if any, will this have on their cell potential? Explain.

Consider the reaction: n2(g) + o2(g) ? 2no(g) kc = 0.10 at 2000oc starting with initial concentrations of 0.040 mol/l of n2 and 0.040 mol/l of o2, calculate the equilibrium concentration of no in mol/l how would this be done?

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

Lab reagent, hypothesis test.a reference solution used as a lab reagent is purported to have a concentration of 5 mg/dl. six samples are taken from this solution and the following concentrations are recorded: (5.32, 4.88, 5.10, 4.73, 5.15, 4.75) mg/dl.these six measurements are assumed to be an srs of all possible measurements from solution.they are also assumed to have a standard deviation of 0.2, a normal distributin, and a mean concentration equal to the true concentration of the solution.carry out a significance test to determine whether these six measurements provide reliable evidence that the true concentration of the solution is actually not 5 mg/dl.