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Hydrogen gas is bubbled into a solution of barium hydroxide that has sulfur in it. The unbalanced chemical equation for the reaction that takes place is:
H2(g) + S(s) + OH-(aq) ? S2-(aq) + H2O
(a). balance the equation
(b). What volume of 0.467M Ba(OH)2 is required to react completely with 5.00g of sulfur
The concentration of alkaline phosphate in the stock solution used in the experiment was .25mg protein/mL. Calculate the activity of the enzyme at Vmax as umole substrate hydrolyzed per minute per mg of enzyme protein.
1.0 ml of a 3.60 x 10-4 m solution of oleic acid is diluted with 9.00 ml of petroleum ether forming solution a. then
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What is the mass of H2SO4 in 520.0 cm3 sample of sulfuric acid that has a density of 1.55 g/cm3 and which consists of 55.0 % H2SO4
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A student found that her mixture was 15% NH4Cl and 75% SiO2 .Assuming her calculation are correct, what did she most likely do incorrect in her experiment?
What is the purpose of putting anti-freeze in your car radiator? (Anti-freeze is usually Ethylene glycol)
Show how 1,4-diphenyl-1,3-butadiene might be synthesized from benzaldehyde and an appropriate halogenated compound.
How many moles of N2 are produced by the decomposition of 1.80 mol of NaN3?
The reaction between white phosphorous and oxygen produces solid tetra phosphorus decoxide (P 4 O 10 ).
A11.6 g sample of a certain gas was introduced into a constant volume container at 25 °C. if the container were heated to 175 °C, how many grams of gas must be vented from the container to keep the pressure of the gas constant
Calculate the vapor pressure of the solver over the solution at 25 degrees C. The vapor pressire of pure water at 25 degrees C is 23.8 mm Hg
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