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a) write out the acid dissociation reaction for hydrochloric acid. b) calculate the pH of a solution of 5.0 x 10^-4 M HCl. c) write out the acid dissociation reaction for sodium hydroxide. d) calculate the pH of a solution of 7.0 x 10^-5 M NaOH.
A certain noble gas compound contains 68.8% Kr and 31.2% F by mass. Its density at STP is 5.44g/L. What is the molecular formula of the compound
Write balanced, net ionic equations when the following compounds are mixed. Indicated mixtures where no reaction is expected with the notation "no rxn".
Integrate the expression = 1/V (?V / ?T) at constant pressure, assuming that is independent of temperature. By doing so, obtain an expression for V as a function of T and at constant P.
If the initial concentration was [SO2CL2]=.230 M, what is the equilibrium concentration of all species present if Kc= 2.99*10^-7 SO2Cl2(g) SO2(g)+Cl2(g)
a solution is prepared by dissolving 15.2 g ammonium sulfate in enough water to make 100.0 ml of stock solution. a
how much energy will be needed to heat 45.7 gal of water from 22.0 oc to 110.0 oc? note that temperature 110.0 oc can
The molecular geometries for H2O and SO2 are bent. The H-O-H bond angle in H2O is about 109degrees, whereas the bond angle for O-S-O is about 120degrees, EXplain using lewis diagrams why the molecules have the same molecular geometry but different..
an ice cube of 15.1 grams is placed into 304 grams of h2o. compute the change in temperature in the h2o upon completing
explain why all the solutions iron iii nitrate and potassium thiocyanate used in this experiment were made in 0.1 m
Consider a sample of 3.5g of water, which has an equilibrium vapor pressure of 23.8 mmHg at 25.0 degC. If this sample is placed into a 6.00L flask, what mss of liquid water will remain when equilibrium is established
calculate the equilibrium constant for this reaction at 400 ºC. What total pressure is required to make ?G
What is the role of HClO. ClO-(aq) + H2O(l) HClO(aq) + OH-(aq) FAST. I-(aq) + HClO(aq) => HIO(aq) + Cl-(aq) SLOW
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