Answers created by A.Raz

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• Question #98213
  
• Question #0fadd
  
• A solution is another name for what?
  
• Question #2dc68
  
• A substance has a half-life of 3 years. If 2000 grams are present initially, how much will remain after 1.5 years?
  
• Question #a2af6
  
• How many grams of aluminum are contained in 100.0 g of aluminum chloride, `AlCl_3`?
  
• Question #b6a10
  
• What is the formula for kinetic energy?
  
• If `f(x)=-(x-4)^2-3`, on what interval(s) is `f(x)` increasing?
  
• Question #2c508
  
• Question #67d90
  
• Question #5a3fa
  
• Question #367cf
  
• How many moles of potassium iodide, KCI, are there in 50 grams?
  
• Question #abe90
  
• How many atoms are there in one mole of carbon monoxide?
  
• Question #617a1
  
• How do you calculate the energy of a photon of radiation with a frequency of `8.5 times 10^14` `Hz`?
  
• For the reaction represented by the equation `Cl_2 + 2KBr -> 2KCl + Br_2`, how many grams of potassium chloride can be produced from 300. g each of chlorine and potassium bromide?
  
• How do you simplify `root3(x^3/y^2)`?
  
• How do you differentiate `g(y) =(x^2 + 6) (x^2 - 2)^(3/2` using the product rule?
  
• A metal spoon becomes hot after being left in a pan of boiling water. What is this an example of?
  
• Question #0a42a
  
• Question #26832
  
• Question #1867c
  
• What is the mass of `4.22 x10^23` atoms of lead (Pb)?
  
• Question #12399
  
• Question #c79b3
  
• What is the derivative of `f(t) = (e^(t^2-1)-t, 2t^3-4t )`?
  
• What is the Cartesian form of `(-23,(5pi)/16))`?
  
• Question #52b36
  
• What are the critical points of `f(t) = tsqrt(2-t)`?