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You will titrate your weak acid unknowns with a solution of NaOH of about 0.10 mol/L. The lowest molecular weight on the list of unknowns is formic acid, MW = 46.03 g/mol. Your titration volume should be between 10mL and 50mL. Explain what are the smallest (first answer box) and largest second answer box masses of formic acid that would give titration volumes within the limits above? Note- two significant figures are required
Use ΔG=ΔH-TΔS to calculate the standard free energy change, ΔG, at 25oC for the following reaction: CaCO3(s)-->CO2(g) + CaO(s)
Draw an oxygen consumption cruve for a suspension of isolated mitochondria when the following compounds are added in the indicated order. With the addition of each compound all of the previously added compounds remain present.
Like all lenders, Ricky must report an APR toconsumers. What rate should the shop report? What is the effective annual rate?
the reaction of 1-hexanol and potassium dichromate result in hexanal potassium chromate and water.when balancing the
When mercury (II) oxide is heated, it decomposes to form liquid mercury and oxygen gas according to the following balanced chemical equation:2HgO(s) ? 2Hg(l) + O2(g)
in the synthesis of divanillin the first step in the mechanism of this reaction involving vanillin is the formation of phenoxy radical by abstraction of the phenoic H atom
A system that had work done on it but which receives or loses no heat from or to the surroundings has positive work or negative work; positive or negative delta E
After an experimenter recovers 6.54 grams of sodium sulfate from the neutralization of sodium hydroxide by sulfuric acid, Explain how does he know how many grams of sodium hydroxide reacted
Explain carefully, with a drawing, why the protons substituted ortho to an acetyl group normally have a greater chemical shift than the other protons on the ring.
write the balance the eguation fot the neutralization reaction between H2 SO4 KCH
Which metal requires higher frequency light to produce photoelectrons. Calculate the minimum frequency that will produce photoelectrons from each surface.
Explain solids, liquids and gases in terms of how they fill a container, Utilize your descriptions to identify the physical state at room temperature of the subsequent 1.helium in a toy balloon. 2. Mercury in a thermometer. 3. Soup in a bowl
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