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Question: In the reaction below, 2.41 atm each of H2 and Br2 were placed into a 1.00 L flask and allowed to react:
H2(g) + Br2(g) <=> 2 HBr(g)
Given that Kc = 52.2, calculate the equilibrium pressure of H2.
in a laboratory practical exam students were asked to prepare an aqueous buffer solution having a ph close to 9. which
A sample contains Ba3(PO4)2, CoS, AgCl, NH4Cl, and ZnS. Identify the precipitate after the addition of 6 M HCl, then H2S and 0.2 M HCl.
an airplane is pressurized to 650 mmhg. The partial pressure of oxygen is 137 mmhg. If the partial pressure of oxygen drops below 100.mmhg.
which is the lowest at 25 C a) deltaG f for H2O(s) b) deltaG f for H2O(l) c) deltaG f for H2O(g) d) 1/2 deltaG f for O2(g) plus deltaG f for H2O(g)
The pH increased from 5.8, the normal pH of a cigarette , to pH 6.4 by addition of ammonia. How many moles of ammonia are required to produce this pH change per cigarette (volume approx. 5ml)?(Assume that no unprotonated ammonia will exist at pH 6..
If the reaction 4NH3 + 5O2 yeilds 4NO + 6H2O uses 824 g NH3 and excess oxygen, how many moles of NO are formed?
If a 220 piece of gold (density =19.32 ) is hammered into a sheet measuring 2.3*1.0 ft. , what is the average thickness of the sheet in meters?
The most prominent line in the spectrum of Neon is found at 865.438 nm. Other lines are found at 837.761 nm, 878.062 nm, 873.375 nm, and 1885.387 nm.
describe the preparation of 400 mL of a solution that is 0.0500 M in I-, starting with MgI2.
If doing by hand, please write dark onpaper before scanning. Balance and do total net ionic equations
Ferrocene cannot be nitrated using the conventional HNO3-H2SO4 mixed acid conditions, even though nitration is an electrophilic
What is the percent ionization of HA in 0.11 mol/L HA(aq) if HA is a weak acid with pKa=6.00. Enter your answer accurate to three significant figures
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