Questions asked by Jimmy

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• A 1.215 g sample of an unknown acid of the form HX is dissolved in 100ml solution and is neutralized by using 75ml of a .200 M of NaOH solution. Calculate the formula mass of the acid HX. What is X?
  
• 255 ml of 0.711 M HCl is mixed with 432 ml of 0.245 M HCl is mixed with 432 ml of 0.245 M Sr(OH)2. Is the solution acid, basic, neutral? if the solution is not neutral, how much of the excess reagent is leftover? What is the Molarity of the excess ?
  
• What is going here. Someone please clarify?My doc did not teach us this.
  
• For Enthalpy? the formula and what answer you all got? The sum(product)-The sum(reactant)
  
• Can someone explain please?
  
• Can someone explain to me what the hybridization and molecular geometry for p2O7-4 would be considered?
  
• Which sample is most likely to undergo the smallest change in temperature upon the absorption of 100 kj of heat? A.15g of water B.15g of lead C.50g of water D.50g of lead Why water?
  
• Can you calculate the amount of heat absorbed when carbon monoxide does 339J of work while expanding? The change in internal energy is -0.074KJ.
  
• Hi everyone, Use the washer method to find the volume of the solid generated when the region bounded by y equals 3x and y equals x^2 squared is revolved about the​ x-axis. What would be the Volume of the region?
  
• Can some one help on how to do this please? "shell method about y axis
  
• Shell/disk method help:( Can someone please help me with this? I do not understand how to get the bounds and do the problem. please give an example and explanation.
  
• Hi everyone, I am having difficulty in getting the correct answer for some reason. Can someone assist me and explain how to do this properly?
  
• Can someone please explain what is going on here?