Answers edited by Wilson T

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• If 15.5 grams of aluminum, wit an initial temperature of 25.0 degrees Celsius, absorbs 155 joules of heat energy, what will be its new temperature?
  
• What is the pH of a #"10 mL"#, #"0.10 M NH"_3# solution after the a) addition of #"0.10 mL 1.00 M HCl"# b) of another #"0.10 mL 1.00 M HCl"# c) addition of #"0.10 mL 0.10 M NaOH"# and d) addition of another #"0.10 mL 0.10 M NaOH"#?
  
• How do you determine the specific heat of ice?
  
• What type of bonding around a central atom would result in a trigonal planar molecule?