Questions asked by Brittany W.

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• How is lady macbeth most responsible for the terrible events that happen in the play macbeth?
  
• Why would macduff have been a better king directly after king duncan's death?
  
• If a food does not turn Biuret solution violet do you know what nutrients the food contains?
  
• What if soot (unburned carbon) accumulated on the bottom on the small can? would this produce a greater or a lower heat value than expected?
  
• Calculate the molarity (in mol/L) of #"K"^(+)# ions present in an aqueous solution prepared by adding #"23.4 mL"# of #9.32*10^(-1)"M"# aqueous #"K"_2"SO"_3# to #"185 mL"# of water? Report your answer to three significant figures.
  
• Rank the following compounds in order of increasing pH (1 - lowest, to 5 - highest) and label each compound as strong acid, weak acid, neutral, weak base or strong base? potassium hydroxide methylamine hydrobromic acid potassium iodide ascorbic acid
  
• Which will have the lowest percent ionic character based on your knowledge of electronegativities? BaO or SrO?
  
• Determine the pH (to two decimal places) of the solution that is produced by mixing 319 mL of 6.01×10-4 M HBr with 535 mL of 4.51×10-3 M HCl?
  
• How do i answer this? # int_2^4 \ (2x)/(x^2+1) # via a Riemann sum.
  
• How do i solve this ?
  
• Determine the volume (in #"mL"#) of #"3.81 M"# sodium hydroxide that must be added to #"67.2 mL"# of #"0.655 M"# sodium hydrogen sulfite to yield a #"pH"# of #6.83#? Assume the #5%# approximation is valid and report your answer to 3 significant figures.