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Assume that the heat lost by the surface is gained by ethyl chloride. What enthalpies must you consider if you were to calculate the final temperature of the surface?The specific heat of the solid surfaceThe specific heat of C2H5Cl(l)The enthalpy of vaporization of C2H5Cl(l)The specific heat of C2H5Cl(g)
The reaction SiH4 --> Si + 2H2 has a k= 0.048M/min at 500 degrees Celsius and k= 49.0M/sec at 700 degrees celsius.
Why is it important to use a minimum volume of hot solvent to dissolve an impure sample during recrystallization and why is it advisable to cool the solution of a mixture slowly during recrystallization
q1. anbsp write structures for the following moleculesinbsp 2-phenylethanol.ii 2-methyl-2-propen-1-ol.iii
How many grams of Ca metal are produced by the electrolysis of molten CaBr2 using a current of 30.0 amp for 10.0 hours
Assume that 100.0 mL of 0.200 M of CsOH and 50.0 mL of 0.400 M HCl are mixed in a calorimeter. The solutions start out at 22.50 degrees celcius, and the final temperature after reaction is 24.28 degrees celcius.
How much heat (in ) is required to warm 12.0 of ice, initially at -12.0, to steam at 114.0? The heat capacity of ice is 2.09 and that of steam is 2.01 .
The double-replacement reaction between silver-nitrate and sodium bromide produces silver bromide, a component of photographic film.
Write a balanced nuclear equation for the alpha decay of each of the following radioactive isotopes.
Question- 1) Write a chemical equation for the reaction of this acid with water Identify the Bronsted acids and bases in the reaction. 2) Determine the Ka of this acid
Calculate the total mass of the protons and electrons in 19/9F. Use 1.007825 amu as the mass of 1/1H(mass of a proton and an electron). Express your answer in atomic mass units to 6 significant figures.
How does the collision theory account for the dependence of rate on the concentrations of the reactants?
If acetaminophen happened to be the unknown component how would one separate it from sucrose and aspirin? Generate a separation flow chart based on the experimental procedure above
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