@X@user.full_name@X@ @GMU: When 14.698 g of K reacted with an excess of oxygen, a total of 7.558 g of K2O formed? What was the percent yield?4K(s) + O2(g) → 2K2O(s)

@X@user.full_name@X@ @GMU: How many kilometers are there in 25.18 micrometers?

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

@X@user.full_name@X@ @GMU: How many grams of NaBr must be dissolved to produce exactly 100 mL of a 0.751 M solution?

@X@user.full_name@X@ @GMU: The force exerted on an object was 8.609 kg×in/s2. What was the force in kg×m/ms2? There are 2.54 cm in an inch.

@X@user.full_name@X@ @GMU: What is -8.82 °F on the Kelvin scale?

@X@user.full_name@X@ @GMU: A gas mixture contains an unknown amount of H2S and 0.1137 mol of Kr. How many moles of H2S are there, if the total pressure is 599.03 mm Hg and the partial pressure of H2S is 354.21 mm Hg?

@X@user.full_name@X@ @GMU: What is the wavelength of a line in the Brackett series of the hydrogen spectrum, if the transition occurs from ni = 9 to nf = 4? Remember the Rydberg constant is 1.097×10-2 nm-1

@X@user.full_name@X@ @GMU: Draw the Lewis dot structure of CO2. How many lone-pairs of electrons (first) and bonding pairs of electrons exist on the molecule CO2?

@X@user.full_name@X@ @GMU: A compound contains only lithium and fluorine. A sample weighing 7.46 g of this compound contained 2.00 g of lithium. How many grams of fluorine would there be in another sample of this compound containing 5.90 g of lithium?