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Acetylene gas (C2H2) is produced by adding water to calcium carbide (CaC2).
CaC2(s) + 2 H2O(l) → C2H2(g) + 2 Ca(OH)2(aq)
Determine how many grams of CaC2 are needed to react completely with 1.92 g of H2O.
A sample of concrete contains cement, gravel, crushed rocks, sand, and water. Each of these contains different metals and minerals and hence has different colors and different properties. Which term or terms could be used to describe this sample o..
a 1.728g sample of pbcd alloy was dissolved in acid and diluted to exactly 500ml. titration of a 25.00ml aliquot at a
oxygen gas is generated by the thermal decomposition of potassium perchlorate. the oxygen gas is captured by water
The reaction below shows the acid catalyzed Sn2 reaction between 1-butanol and sodium acetylide. Will this reaction proceed as depicted. Explain.
Hydrogenation of a monounsaturated fatty acid yields a saturated fatty acid. Oleic acid is a monounsaturated fatty acid. Predict the product of its hydrogenation:
Calculate the molar concentration for each of the following solutions. 1.) 4.00g KCl in 70.0mL of solution 2.) 4.00g NaCrO4 in 70.0mL of solution
To study the effect of a weakly acidic medium on the rate of corrosion of a metal, a chemist prepared a buffer solution by making it 0.11 M NaC2H3O2
Cs in the metal with a bcc structure is 272 pm, calculate the expected atomic radius of the Cs atom with a coordination number of 12.
Calculate the potential volume of the gas contained in 500-mL aerosol can when it is heated from 25 degrees C to 54 degrees C (approx. 130 degrees F) assuming a constant pressure.
A 6.50 x 10^-5 M solution of potassium permanganate has a percent transmittance of 27.3% when measured in a 1.15-cm cell at a wavelength of 525 nm.
Propylamine, also known as n-propylamine, is an amine with the chemical formula C3H9N. Propylamine is a weak base with its Kb equaling 4.7 * 10^(-4). Calculate the pH of 0.59 M solution of propylamine hydrochloride.
And what is difference between single electrode and full supercapacitor device results?
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