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The combustion of 0.0272 mole of a hydrocarbon produces 1.9609 g H2O and 3.5927 g CO2. Explain what is the molar mass of the hydrocarbon?
Magnesium metal can be used to remove tarnish from silver items. silver tarnish is the corrosion that occurs when silver metal reacts with substances in the environment, especially those containing sulfur. why would magnesium remove tarnish from s..
a liquid in a sealed container with a moveable piston lid is vaporised at its boiling point. predict the signs of w, q, ?H, ?S, ?Ssurr and ?G at this point.
how could the addition of a non-solvent species not participatingin equilibrium indirectly affect the position of that
A gas at 32 ºC occupies a volume of 250 mL. To what temperature must the gas be changed to occupy a volume of 285 mL
how does the strngth of the attraction between water molecules and sodium and chloride ions compare with the strength
For the following battery: Cd(s) | CdCl2(aq) || Cl-(aq) | Cl2(l) | C(s) Write the reduction half-reaction occuring at the C(s) electrode. (Include physical states of reactants and products.) From which electrode will electrons flow from the batter..
Draw the carboxylic acid produced from the acid hydrolysis of butyl acetate (butyl ethanoate)
Find the equilibrium pH of a 10^-3 M NaCN solution by using graphical methods, try to find the equilibrium pH with the charge balance and separately with the proton condition.
A flask contains 0.120 mol of liquid bromine, rm Br_2. Determine the number of bromine molecules present in the flask.
How many photons are contained in a burst of yellow light (589 nm) from a sodium lamp that contains 609 kJ of energy
Calculate the concentrations of all species present [Na+], [C6H5CO2-], [C6H5CO2H], [H3O+] and [OH-] in 0.040M sodium benzoate
A sample of calcium metal is contaminated by a certain amount of highly toxic, radioactive thorium metal (Th). A 10.00-gram sample of this mixture is dissolved in acid, and reacted with excess sodium oxalate to form a precipitate which is a mixtur..
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