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Determine the volume of the methane at STP if bacterial culture isolated from sewage produced 35.5 mL of methane, CH4, at the temperature of 31 degree Celsius and at pressure of 753 mmHg.
419 J amount of Energy is added to a 54.0 grams sample of H2O at a temperature of twenty six degree Celsius. Explain What will be the final temperature of the H2O and express your answer in units of degrees Celsius
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.
Determining the free ions of calcium on a similar sample of blood. recommend if the sample requires pretreatment or if it can be calculated directly In each case.
Write down the balanced chemical equation when Fe 3 O 4 reacted with carbon monoxide and calculate mass of carbon dioxide that will be produced in this reaction if 234 g carbon monoxide is reacted with excess Fe 3 O 4 ?
what will be the theoretical yield of bromobenzene in given reaction as C6H6 + Br2 → C6H5Br + HBr also find out percentage yield when actual yield of bromobenzene was found 56.7 g?
high boiling point are obtained now you need to identify the limiting reagent and compute the percent yield of nitrobenzene
A 0.5485 g solid mixture have only ferrous chloride hexahydrate and ferrous ammonium sulfate hexahydrate. dissolved in 1M sulphuric acid get oxidized to Fe3+ with hydrogen peroxide, and get precipitated with cupferron.
Write balanced chemical equation and evaluate the molecular weight of the reactants and Calculate the molecular weights of the reactant.
When you standardized the Sodium thiosulfate, what molarity of Na2S2O3 did you observe for each of your 3 trials.
Calculate how many atoms of potassium A three mole sample of K2S would have and Calculate the current for diffusion-controlled electrolysis
Find the new volume of the gas sample - What is the new volume of the gas sample
Calculate the molar mass of the compound if given that normal freezing point of C6H6 = 5.5 oC , the freezing point depression constant for C 6 H 6 = -5.12 o C/m .
What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?
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