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The standard deviation for the 10 mL graduated cylinder will be the same for any volume you measure. Suppose you repeatedly measure two different target volumes. Would you expect them to have similar %RSD or will one will be higher than the other? What does this imply about the relative precision of the measurements.
Presume you had started with 3.25 moles of sodium hydrogen carbonate, Explain how many moles of sodium chloride would you expect to be formed
He decided to dry the alum by heating it strongly. Unfortunately he also drove off the waters of hydration. What is the mass of his remaining anhydrous salt?
Heterogeneous catalysts that perform hydrogenation reactions are subject to poisioning which shuts down their catalytic ability. Compounds of sulfur are often poisons.
Why would be difficult to isolate neutral p-aminobenzoic acid. What effect will pH have on the structure of your product
what would be the effect on your calculated molecular weight of p-dichlorobenzene if your lab partner left the stopper
Use simple structure and bonding models to account for why phosphorus forms 2 chlorides (PCl3 and PCl5) while nitrogen forms only 1 chloride (NCl3).
Problem- A 5-MGD surface water supply is treated with conventional filtration followed by chlorine disinfection. The chlorine dose is controlled to be less than 2 mg/L to avoid total trihalomethane (a disinfection by-product, or DBP) problems. The..
How many grams of SO2 would be formed from 60 grams of FeS2 in the following reaction
The accepted toxic dose of mercury is 300ug/day (micrograms per day). Dental offices sometimes contain as much as 180ug of mercury per cubic meter of air. If a nurse working in the office ingests
A proton is approxomately (a) 200 times larger than electron (b) 2000 times larger than electron (c) 200 times smaller than electron (d) 2000 times smaller than electron (27) which are isotopes
What should be the normality of a sodium hydroxide solution if exactly 25.00ml are to be used to titrate 25.00of a vinegar sample containing 4.80% acetic acid
Write the structural formula of a compound with an unbranched chain of five carbon atoms that is an alkanal, Consider E/Z stereochemistry of alkenes. Do not show stereochemistry in other cases.
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