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Some methanol evaporated after the volume was measured however before the mass was determined? Would the experimental value state if error raised decreased or had no effect on the density?
Draw the structure for the molecule that fits the following description and then name it according to IUPAC formalism. a constitutional isomer of decane
determine the specific heat of anbsp metal object of 19 grams that is heated to 96 degrees celsiusnbsp and added to a
13.00 g of sodium surface is dissolved in water to make a solution. What volume of solution in L is produced if the amount of concentration is 0.45 mol/L
in the lab you determine the molarity of kmno4 to be 0.08611 m for your first titration and 0.08837 m for your second
a student collectedhydrogen gas in a buret by displacing water at 26.0c. the buretcould not be submerged deep enough in
A coal containing 81% C, with a calorific value 32,400 kJ/kg is burnt to produce a flue gas of the following composition: CO2=10.4%, CO= 1.4%, O2= 5.5 % and the rest is nitrogen. Determine the carbon converted to CO per kg coal.
Zinc is reacted with hydrocloric acid to make hydrogen gas and zinc chloride. when 42.86 g of zinc is added to 40.11g of hydrochloric acid, 63.22g of zinc chloride were collected.
Write the complete ionic equation for the reaction that occurs when a few drops of HCl are added to the buffer.
Draw the structure(s) of all carbocations that could potentially form from the alkene and label each carbocation as primary, secondary or tertiary. 2-methylpropene
Table salt (NaCl) and sugar (C12H22O11) are accidentally mixed A 5.00g sample is burned and 2.20-g of CO2 are produced. What is the mass percentage of the table salt in the mixture.
Estimate the temperature at which calcium carbonate is likely to decomp under 1atm of pressure. Reaction: CaCO3(s) -> CaO(s) + CO2 (g) For this rxn: dHstandard = 177.8 kJ and dS standard= 160.5 J/K (notice unit differences)
A 0.204-g sample of a CO3^2- antacid is dissolved with 25.0 mL of 0.0981 M HCl. The hydrochloric acid that is not neutralized by the antacid is titrated to a bromophenol blue endpoint with 5.83 mL of 0.104 NaOH.
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