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1. What range of values for electrostatic potential is characteristicof strong acids?
2. What range is characteristic of weak acids?
3. Why is there a correlation between electrostatic potential and acidstrength?
an ice cube tray holds 455 g water. if the water initially has a temperature of 33degc how many kilojoules of heat must
The mass of a beaker is 7.839g. After 7.50 mL of hexane, C6H14, is pipetted into the beaker, the combined mass of the beaker and the heaxane sample is 12.806g. What is the measured density of hexane?
Silver chloride usually does not ppt in solution of 1.0M NH3. However AgBr has a smaller Ksp. Will AgBr ppt form a solution containing 0.01M AgNO3, 0.01M NaBr and 1.0 M NH3? Ksp = 5 x 10^-13
a metal weighing 50.0g absorbs 220.0 j of heat when its temperature increases by 120.0 degrees celsius. what is the
suppose the experiment was done with 1.0m H3PO4 as the acid. What would be the stoichiometric ratio, mol H3PO4/mol NaOH at the intersection of ascending and descending portions of the graph?
The combustion of 40.5 mg of a compound containing C, H and O produces 110.0 mg of CO2 and 22.5 mg of H20. The molar mass of the compound is 162g/mol. Determine its empirical and molecular formulas
what is the structure of glycylserine and serylglycine?
What is the pH of a solution made by mixing 40.00 mL of 0.100 M HCl with 25.00 mL of 0.100 M KOH? Assume that the volumes of the solutions are additive.
a graduated cylinder contains 154 of water. a 15.0 piece of iron density 7.86 and a 18.0 piece of lead are added.
The specific heat capacity of solid copper metal is 0.385 J/g-K. How many joules of heat are needed to raise the temperature of a 1.55-kg block of copper from 33.0C to 77.5C?
Calculate the number of formula units of the compound and the number of each ion in 3.75 moles of AlCl3.
How many grams of sodium azide are needed to provide sufficient nitrogen gas to fill a 35.0 by 35.0 by 25.0 cm bag to a pressure
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