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What is the balanced reaction of sodium hydrogen carbonate + Sodium hydrogen sulphate?
one mole of and ideal moatomic gas initially at stp is adiabatically expanded into a vacuum. calculate the temperature
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.
If you mix 200. mL of 1.0 M KCl with 300. mL of 2.0 M KCl, what is the molarity of KCl in the final solution?
Construct a model of 2-chlorobutane. Which carbon in the chain is a chiral center. What has highest priority. Lowest
The relative molar mass of an element is known to be 32.064 g. Determine the abundance fraction of the isotope whose fraction is not displayed in the table.
Calculate the energy emitted by an electron when it drops from energy level 4 down
what is the lewis structure and molecular geometry of pernitrate and carbonate ion?
what should the stock concentration of atp be so that if you pipette a 100 uL aliquot you will obtain a final concentration of 2mM in an assay volume of 3.0 mL
Considering the given equation 4 C3H5N3O9---> 6 N2+ 12 CO2 + 10 H2O + O2,This reaction generates many gaseous products and a large amount of heat determine what is the maximum amount of Oxygen.
A solution containing CaCl2 is mixed with a solution of Li2C2O4 to form a solution that is 3.5 x 10^-4 M in calcium ion and 2.33 x 10^-4 in oxalate ion. What will happen once these solutions are mixed. Ksp(CaC2O4) = 2.3 x 10^-9
When heated, KClO3 reacts to produce KCl and O2. How many grams of KClO3 are needed to produce 791 ml of O2 at STP conditions?
Find out the concentration of NaOH used in this reaction as well as the concentration of NaOH that was left after the hydrolysis reaction to finally find the molar mass of the ester.
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