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Write balanced, net ionic equations when the following compounds are mixed. Indicated mixtures where no reaction is expected with the notation "no rxn".
a. MnS(s) with dilute hydrochloric acid
b. NiS(s) with dilute hydrochloric acid
c. CoS(s) in hot nitric acid
d. Cr(OH)3(s) with concentrated sodium hydroxide solution
e. Cr(OH)3(s) with hydrogen peroxide and a concentrated sodium hydroxide solution
f. K2CrO4(aq) with a lead acetate solution
A bottle is labeled only "Compound B (C6H12)" and contains a colorless liquid. You have been called in as an expert to identify this compound from its spectra
an aqueous solution contains 0.455 m dimethylamine ch32nh.how many ml of 0.385 m perchloric acid would have to be added
Calculate the pH for each of the following cases in the titration of 50.0 mL of 0.140 M HClO (aq) with 0.140 KOH (aq)
Calculate the energy of the photons and determine which principal quantum levels the transition might come from.
Compute the number of moles of Chlorine atoms in 3.01×10^24 formula units of magnesium chloride,MgCl2 .
if an air bubble is originally trapped in the buret tip but disappears during the titration how does this affect the
Suppose you were given a pure stereoisomer that rotated the plane polarized light either +60 degrees or -120 degrees, i.e a uniform colour is observed for both of these readings.
Explain what a high Ka value of an acid represents and what a low Ka value represents. State and explain the difference between the endpoint and the equivalence point in a titration
When the liberated hydrogen gas is collected over water at 29 degrees celsius and 752 torr, the volume is found to be 343 mL. The vapor pressure of water at 29 degrees celsius is 30.0 torr. What is the mass percentage of aluminum in this alloy?
Calculate the [H3O+], pH, and the fraction of dissociation (α) in an aqueous 0.140 M NH3 solution. (Hint: You will need the Ka, located in the back of your textbook.)
what is the minimum amount of ammonium carbonate that is necessary to be placed in the flask in order for the system to come to equilibrium? please show work.
Methane (CH4), ammonia (NH3), and water (H2O) all have octets around the central atom, yet they have different shapes and bond angles
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