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Question- The greater stability of Lead(II) fluoride relative to lead(IV) fluoride is an example of what phenomenon?
Provide your answer in scientific notation
Specificy which ion you would add to the unkown and how the results would identify which compound is in the unknown.
How many milliliters of 0.100M NaOH are required to neutralize 85.0mL of 0.250M H2SO4. The balanced neutralization reaction is
The reaction between sodium metal and chlorine gas is highly exothermic and produce NaCl. Comment on this observation relative to the calculated enthalpy for the aforementioned gas-phase reaction.
The element gallium has two naturally occurring isotopes, 69Ga and 71Ga. The atomic mass of 69Ga is 68.9256 amu and 71Ga is 70.9247 amu. The average atomic mass of gallium is 69.723 amu. What is the percentage of 69Ga present in a naturally occurr..
Butryic Acid is responsible for the odor in rancid butter. A solution of .25M butryic acid has a pH of 2.71. What is the Ka for the acid
How many grams of urea (NH2)2CO must be added to 351 grams of water to give a solution with a vapor pressure of 2.73mmHg less than that of pure water 3 degrees celsius The vapor pressure of water at 30 degrees celsius is 31.8 mmHg
evaporated the water from NaOH extracts prior to adding acid?
To determine the concentration of a 25.0 ml acetic acid solution (Ka for acetic acid is 1.8 X 10^-5), 25.0 ml of 2.00 M NaOH solution is used to reach the endpoint of titration. Calculate the pH of the endpoint.
A volume of 12.8 L is occupied by 0.57 mol of helium gas. What is the volume of 0.78 mol of helium gas under the same conditions?
used the 8900 kilojoules you expend in energy in one day to heat 50000 of water at 20 what would be the rise in
If 36 L of Hydrogen at 44 C and 94 kPa react with sufficient oxygen to produce water, what mass of water can be produced?
What is the percent yield of elemental sulfur if 7.54 grams of sulfur are obtained from the reaction of 6.16 grams of SO2 with an excess of H2S. 2H2S + SO2---> 2H20 +3S
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