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The ion-product constant for water is 1.0x10^-14 at 25 degrees Celsius and 3.8x10^-14 at 40 degrees Celcius. Is the forward process endothermic or exothermic? H2O is equal to H+ + OH-
EDTA solution to reach the end point in a titration. What mass (in milligrams) of CaCO3 (FW = 100.09 g/mol) will react with 1.85 mL of the EDTA solution?
Given the reaction 6CO2+6H2O-> C6H12O6+6O2. What is the total number of moles of water needed to make 2.5 moles of C6H12O6?
silver chloride can dissociate into Ag+ and Cl- species. This inhomogenous equilibrium has K=1.8x10^-10. What is the concentration of Ag+ in solution at equilibrium?
Write down the reactions that occurred in each test tube if no reaction occurred then put NR on the product side Test tube.
A 12V automotive lead-acid battery. Each anode/cathode pair in this schematic cutaway produces a voltage of about 2V. Six pairs of electrodes are connected in series, producing12V.
Calculate the concentrations of all species in a 0.840 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid
What is the order of a reaction that has the following time and concentration data? Time concentration
Classify the set of solutions based on the movement of solvent from the first solution listed to the second solution listed as osmosis or reverse osmosis.
Measurement of the concentration of Fe3+ ions in a saturatedsolution of iron(III) chloride was found to be 0.35M. Calculate the Ksp of iron(III) chloride
Measurements also show that a certain sample of the unknown compound contains 9.8 mol of oxygen and 3.31 mol of chromium.
the vapor pressure of a solution containing 53.6 g glycerinc3h8o3 in 133.7 g ethanol c2h5oh is 113 torr at 40.0 degrees
a 10.0-g sample magnesium reacted with excess hydrochloric acid to form magnesium chloride .when the reaction was
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