Questions asked by Elyas Ahmadzai

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• A sample of 1.00g of potassium carbonate is dissolved in 100mL water. A titration of this sample requires mL of nitric acid to reach the endpoint. What is the concentration of the Nitric Acid?
  
• What is meant by the self-ionization of water?
  
• A volume of hydrogen gas is collected over water in an investigation. If the atmospheric pressure is 102.1 kPa and the pressure of the hydrogen gas is 100.1 kPa, what temperature is the water?
  
• 80.0 L of oxygen is collected over water at 30.0 °C. The atmospheric pressure in the room is 96.00 kPa. (a) What is the total pressure of this mixture? [ans: 96.00 kPa] (b) What is the partial pressure of the oxygen gas? [ans: 91.76 kPa]
  
• What is Genetic Diversity?
  
• For which non-zero real values of #x# is #-x^-5 = (-x)^-5# ?
  
• For which non-zero real values of #x# is #-x^(-6) = (-x)^(-6)# ?