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Provide the steps required to successfully recrystallize an impure solid and obtain a pure product.
A certain element consists of two stable isotopes. The first has atomic mass of 7.02 amu and a percent natural abundance of 92.6%.
What mass (in grams) of solid sucrose (C12H22O11) would need to be added to 2000 grams of water to make an ideal solution with a boiling point of 102.9°C? (Kb for water is 0.512°C/m)
A gas of unknown molecular mass was allowed to effuse through a small opening under constant-pressure conditions. It required 125 s for 1.0 L of the gas to effuse. Under identical experimental conditions it required 30 s for 1.0 L of O2 gas to eff..
You have a sample of a white crystalline substance from your kitchen. You know that it is either salt or sugar. Although you could decide by taste, suggest another property that you could use to decide.
question in the reaction below 2.41 atm each of h2 and br2 were placed into a 1.00 l flask and allowed to reacth2g
Question- The equilibrium constant kc for the decomposition of phosgene, COCl2, is 4.63 X 10-3 at 527 degrees C. Calculate the equilibrium partial pressure of all the components, starting with pure phosgene at 0.760 atm
Explain how normal buffer system works? How would simply normal breathing increase normal Ph in buffer system?
Explain the factors that affect rate and relative reactivity. Use a mechanism(s) and reactions to support your claims.
What is the relationship among intracellular fluids, 0.9% (W/V) NaCl and 5.0% (W/V) glucose?
calculate the milliliters of 0.124 M KOH required to neutralize 46.0 mL of 0.200 M HNO2-?
Mercury metal does not react with hydrochloric acid but it reacts with nitric acid. What is the most probable oxidation state of mercury in solution in its reaction with HNO3
Compute the number of liters of Oxygen gas required to produce15.0 liters of dinitrogen trioxide. Assume all gases are at the same conditions of temperature and pressure.
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