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How do you predict the reaction direction from an equilibrium expression? How do you calculate equilibrium concentrations and constants?
Can you determine how changes in temperature, concentration, and volume affect equilibrium?
An antacid tablet contains 0.1 g of magnesium hydrogencarbonate, Mg(HCO3)2. What mass of stomach acid, HCl, will it neutralise? The reaction between Mg(HCO3)2 and HCl is: Mg(HCO3)2 + 2HCl → MgCl2 + 2CO2 + H2O
If your concentrations of acetic acid and sulfuric acid were the same, would you have to add the same or different amounts of titrant?
A 4.00-g sample of iodine was reacted completely with excess bromine. The mass of the compound formed was 11.56 g. Determine the empirical formula.
Calculate the difference in gibbs energy between monoclinic sulfur and orthorhombic sulfur at 298 K and a pressure of 1 bar. take the enthalpy in each phase to be given by the following expressions.
Hydrogen peroxide decomposes to give water and oxygen gas according to the equation below. If 3.0 moles of hydrogen peroxide decompose
How many milliliters of 1.50 M H2SO4 are needed to neutralize 50.0 g of NaOH?
How many g or H2O are created with excess CO2 and 168 g of KOH from the following chemical reaction? CO2 + 2 KOH -----> K2CO3 + H2O
Explain how the carbonate system in natural waters provides buffering capacity
What are the possible values of n and ml the principal and angular momentum quantum numbers for an electron in a 5d orbital
Which statement(s) is(are) true about X which has a molecular ion peak in its mass spectrum at mass 164?
measured in a 1.00-cm pathlength cuvette, has an absorbance of 0.321 while the reagent blank in the same cuvette has an absorbance of 0.014. What would be the absorbance reading of these two solutions if measured in a cuvette with 5.00 cm pathleng..
Calculate the percent ionization of arsenous acid (H3AsO3) in solutions of each of the following concentrations (Ka = 5.1e-10.) (a) 0.217 M % (b) 0.598 M % (c) 0.726 M %
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