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determine How many formula units(formula un) of sodium iodide(NaI) are present in 9.54 grams of this compound and also calculate how many gms of sodium iodide are present in 6.07E+21 formula units of this compound ?
Using a sample of 30.0 mL of Kr(g), is at 25°C and 756 mmHg. Calculate the new volume if the temperature is decreased to -125°C and pressure is decreased to 325 mmHg .
Identifying and balancing the different types of chemical reactions. Evaluate which processes represent chemical reactions.
Calculating the equilibrium constant (Keq) for the given reactions - Determine the Keq for the following reactions
Compute the number of mL of 2.00M H2SO4 required neutralizing 125.5mL of 1.2M KOH
What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?
Calculate the standard free energy change for the process N2O5(s)-->N2O5(g) at 25 0C if Vapor pressure of N2O5 at 7.5 degrees C is 100mmHg, and the solid sublimes at a pressure of 1.00 atm at 32.4 0C.
What is the mass of sodium ion circulating in the blood if the concentration of sodium ion in this individual is 0.135M.The average adult has a total blood volume of 5 liter.
Using A sample having X amount of oxalic acid. If 0.5187 grams of the sample requires 40.20 mL of 0.1000 M Sodium hydroxide to neutralize the oxalic acid completely.
Find what is the initial concentration of the chlorine before dilution - unknown concentrated chlorine
Determine the boiling point of a 1.5m aqueous solution of fructose.
Understanding of chemistry basics - which of the following is not changed by the activity of an enzyme during a chemical reaction?
Multiple choice questions in organic chemistry - Which of the following statements are true about the processes of melting and freezing?
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