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What is the theoretical yield of vanadium that can be produced by the reaction of 40 g of V2O5 with 40 g of calcium based on the following chemical reaction? V2O5(s) + 5Ca(l) yields 2V + 5CaO
calculate gibbs free energy and determine the type of thermodynamic reaction.n2gnbsp 3h2gnbsplarrrarr 2nh3gnbsp
The extract from solution 3 was found to be 0.0225M in HA. Assume that HA does not associate or dissociate in the organic solvent, calculate
Calculate the grams of potassium hydrogen phthalate required to react with approximately 25 mL of 0.1 M NaOH
An air bubble was initially trapped in the buret but was dispensed during the back titration of the unreacted HCI. As a result of this technique error, will the reported amount of antacid in the sample be too high or too low? Explain
Write a net ionic equation for the reaction between aqueous solutions of perchloric acid and rubidium hydroxide.
Calculate the molality of a 20.0 per cent by weight aqueous solution of NH4Cl. (Molecular weight: NH4Cl = 53.5) (b) If this NH4Cl solution is assumed to be ideal and is completely dissociated into ions
why is it important to immediately cover the Mg ribbon with the other slab of dry ice once it starts burning?
Draw the structure of a phosphodiacylglycerol that has hexadecanoic acid and 9-octadecenoic acid
Which is the limiting reagent in the reaction between Copper sulfate pentahydrate and ammonia?
In which of the following would the bonding be weakened with the addition of an electron to form the negative molecular ion?
A sample with an unknown quantity of an analyte with a molecular mass of 71.24g/mol was dissolved in 250mL of ethanol. Then 5.0mL was withdrawn and diluted to 200mL.
To what volume should you dilute 95mL of a 12.0M H2SO4 solution to obtain 1.80M H2SO4 solution
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