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Why HF is a weak acid, but HCl is a strong acid?
Use your knowledge of molecule to answer this question.
the experiment is then repeated with the copper immersed in a stream of water that maintains its temp at 293. Calculate the change in entropy of the copper and the water in this case.
The complete combustion of hydrogen, H2(g), to form H2O(l) at constant pressure, releases 285.8 kJ of heat per mole of H2(g). -------- H2(g) + 1/2O2(g) ? H2O(l). What is the enthalpy of the reaction
Determine the volume of 0.890 M NaOH needed to reach the equivalence point in the titration
Calculate the equilibrium constant for the reaction
A chemist ran the reaction and obtained 5.05g of ethyl butyrate. What was the percent yield
How much heat is gained when a piece of copper metal with a mass of 15 grams is heated from 20 degrees C to 75 degrees C? The specific heat of copper is 0.385 J/g degrees C
Calculate the standard reduction potential for the X half-reaction. The standard reduction potential of the copper half-reaction is 0.52 V. (Hint, write the half-reactions and the overall chemical equation for the spontaneous reaction.)
Dibenzalacetone has two carbon-carbon double bonds. How many geometric isomers are possible? Draw all possible geometric isomers of the product and look up their melting points.
we determined that the sample contained 5.34mol of oxygen. If all of this oxygen were converted to a gas at 24 degrees celcius and 770mmHg of pressure, what volume would it occupy?
if 31.82 g of a metal oxide reacted with excess carbon and 4.08 l of co2 formed at 100 c and 1.5 atm what is the
If 28.9 grams of trans-2-butene reacts with 14.2 grams of HCl to form 15.5 grams of chlorobutane, what is the percent yield?
calculate the molarity of an aqueous NaOH solution if 32 mL of it is required to titrate .6789 grams of oxalic acid to a phenolphthalein end point.
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