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pH of a saturated solution of Ba(OH)2 is 12. The value of solubility product (Ksp) of Ba(OH)2
Calculate the mass of oxygen dissolved in a 5.00 L bucket of water exposed to a pressure of 1.13 atm of air. Assume the mole fraction of oxygen in air
Suppose that a linear Na23 molecule could be formed by combining the 3s orbitals on each atom into delocalized MOs. How many nodal planes are in the highest occupied molecular orbital (HOMO) of this molecule
Which of the following is true about Cloud Computing?
aqueous HF and treated with nitron solution to precipitate a mixture of nitron tetrfluoroborate and nitron nitrate weighing 1.322 g. Find the weight percent of Mg in the original mixture.
A compound A has prominent infrared absorptions at 1050, 1786, and 1852 cm-1 and shows a single absorption in the proton NMR spectrum at ? 3.00. When heated gently with methanol, compound B, C5H8O4, is obtained.
calculate the pv work done when 50.0 g of tin dissolves in excess acid at 1.00 bar and 25degrees celsius. assume ideal
skiers and group engaged in outdoor activities in a frosty climate can access portable hot packs. mixture of powdered
Ka for HCN is 4.9 × 10-10. What is the pH of a 0.068 M aqueous solution of sodium cyanide
for a certain gas that contains only carbon and hydrogen the masspercentage of carbon is known to be 85.62. it is
what is the ph at the half stoichiometric point if you are doing a titration with 20.0 ml of 0.200 m trimethylamine and
the chemical reaction between reagents supplied from an outside source. What is the emf of a cell fuelled by (a) hydrogen and oxygen, (b) the combustion of butane at 1.0 bar and 298 k.
at 25omicron c an aqueous solution containing 35.0wt h2so4 has a specific gravity of 1.2563. aquantity of the 35
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