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how long will it take for the concentration for XY to decrease to 12.5% of its initial concentration when its 0.100M. Rate constant is 7.12 *10^-3?
A multiple stage evaporate process concentrates a weak solution of LiOH from 4.48 wt% to 26.78wt%. This evaporator processes 10 metric tonnes of solution each day.
A major oil company has used a gasoline additive called MMT to boos the octane rating of its gasoline. What is the emperical formula of MMT if it is 49.5% C, 3.2% H, 22.0% O, and 25.2% Mn.
Water's bad smell containing hydrogen sulfide H 2 S that can be removed by the action of Cl considering the given reaction.
Determine what is the mass percent yield from 2.57 grams of Sb in excess Sulphur , if 1.56 g of Sb 2 S 3 is obtained?
Quantum number representations - What are the possible values of the four quantum numbers for one electron in a 5d orbital?
What is the concentration of unknown acid solution? Write the neutralization reaction, balance it, name the products THEN Solve the problem above.
Using a sample of 30.0 mL of Kr(g), is at 25°C and 756 mmHg. Calculate the new volume if the temperature is decreased to -125°C and pressure is decreased to 325 mmHg .
The mass of a cube of iron is 292 g. Iron has a density of 7.87 g/cm3. What is the mass of a cube of lead that has the same dimensions.
Determine at what temperature should the reaction be run to get a seventy five conversion of carbon monoxide?
An unknown metal X with a mass of 28 grams absorbs 58 J of heat. calculate the heat capacity if Its temperature raises from 31.1 °C to 39.9 °C.
Compute the number of moles of sodium hydroxide ( NaOH ) in 23.75cm 3 of 0.150moldm -3
compute the volume of sodium hydroxide that is required to make a buffer with a pH = 5.77.? given that pKa = 4.77. and initial volume of the acid solution = 1.00 Litre.
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