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For the given reaction (1) find out the respective products (2) balance the equations (3) specify the spectator as well as net ionic equations
MgSO4(AQ) + Na2CrO4(AQ) --->
a 10g sample of acetic acid hc2h3o2. was burned in a bomb calorimeter in an excess of oxygen. the temperature of the
The minimum energy required to break an oxygen-oxygen bond in ozone (O3) is 387 kJ/mole. What is the longest wavelength of light
Use the thermodynamic data in Appendix B to calculate the standard cell potential and the equilibrium constant at 25°C for the cell reaction in a direct methanol fuel cell
A compressed-air tank carried by scuba divers has a volume of 6.80L and a pressure of 120atm at 20 degrees celsius. What is the volume of air in the tank at 0 degrees celsius and 1.00atm pressure (STP)
A lactic acid/lactate ion buffer solution contains 0.44M HC3H5O3 and 0.90 M C3H5O3^-, respectively. The K a value of lactic acid is 1.4times 10^-4. Calculate the pH of this buffer.
calculate the concentration of sodium formate that must be present in a 0.10 M solution of formic acid to produce a buffer with a pH of 3.80
Radon (Rn) has a mass number of 222 and an atomic number of 86 and decays by emission of an alpha particle. The product of this decay is, Identify the product of the nuclear reaction by providing its atomic symbol , mass number , and atomic number
what is the molarity of a solution prepared by adding 132 grams potassium chloride to enough water
What percent error results from the assumption that the density of water is 1.000 g/ml at 20 C
A student following the procedure in this experiment prepared three solutions by adding 11.50, 23.00, and 34.50 mL of a 7.60 x 10-2M NaOH solution to 50.00 mL of a .112M solution of a weak acide.
What would be the effect on the results of mistakenly adding 2.43 x 10^-3g Mg to 4.0mL of 0.1M HCl, rather than to 4.0mL of 1.0M HCl as instructed
If 27.0 mL of AgNO3 is needed to precipitate all the ions in a 0.800mg- sample of KCl (forming AgCl), what is the molarity of the AgNO3 solution
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