@X@user.full_name@X@ @GMU: How many moles of He are in a 150.18 L tank at 38.35°C and 1.807 atm?

@X@user.full_name@X@ @GMU: How many grams of Fe2O3 must one react with a stoichiometric amount of CO to produce -1.083 kJ?Fe2O3(s) + 3CO(g) → 2Fe(s)+ 3CO2(g) ΔH = -24.8 kJ

@X@user.full_name@X@ @GMU: What is the average speed of Ne molecules (atoms) at 25.00 °C?

@X@user.full_name@X@ @GMU: What is the average speed of HCl molecules (atoms) at 25.00 °C?

@X@user.full_name@X@ @GMU: How many deciliters are there in 34.89 kiloliters?

@X@user.full_name@X@ @GMU: When 11.568 g of Cs reacted with an excess of oxygen, a total of 7.127 g of Cs2O formed? What was the percent yield?4Cs(s) + O2(g) → 2Cs2O(s)

@X@user.full_name@X@ @GMU: How many grams of NaI must be dissolved to produce exactly 100 mL of a 0.590 M solution?

@X@user.full_name@X@ @GMU: Which base listed below would be the best to creat a buffer having a pH of 8.2311?

@X@user.full_name@X@ @GMU: The vapor pressure of Ga (l) at 2546.1 K is 407.0 mm Hg. What is the heat of vaporization if its normal boiling point is 2676.2 K?

@X@user.full_name@X@ @GMU: What is the value of Ksp in water, if 1.91e-8 M of A2B3 dissolves according to the reaction below?A2B3(s)→2A(aq) + 3B(aq) where A and B are ions