Answers created by Paul

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• Is the following nuclear equation balanced?
  
• What happens to the nucleus in a fission reaction?
  
• When writing a balanced nuclear equation, what must be conserved?
  
• How do you write the formula of an ionic compound?
  
• What elements are liquid at room temperature?
  
• What do the subscripts mean in a chemical formula?
  
• How can I balance this equation? ____ H2 + ____ O2 ---> ____ H2O
  
• Is HCl a dipole dipole?
  
• Why is the rate of reaction fastest at the beginning?
  
• How do particles behave in the three phases of matter?
  
• What is an oxidation reaction?
  
• Can you write a balanced nuclear equation for the alpha decay of Ra-226?
  
• If a radioactive sample has half the radioactive atoms left after 20 years, what is its half-life?
  
• How can I balance this equation? ___ AlBr3 + ____ K2SO4 ---> ____ KBr + ____ Al2(SO4)3
  
• What are some common mistakes students make with chemical equations?
  
• What is fusion?
  
• How is the atomic mass changed by beta decay?
  
• How does beta decay differ from gamma decay?
  
• How can I write nuclear equations for beta decay?
  
• How can I solve nuclear equations?
  
• What is the goal of peer review in the scientific method?
  
• What type of chemical reaction is taking place? Ca(OH)2(s) + 2 HCl(aq) ---> CaCl2(aq) + 2 H2O(l)
  
• How can I write the formula for lithium oxide?
  
• What does the solubility of KNO3 depend on?
  
• How can the rate of reaction be decreased?
  
• Why does the rate of reaction decrease with time?
  
• Is LiOH a molecular or ionic compound?
  
• Which produces more energy, nuclear fission or nuclear fusion?
  
• Is the source of the sun's energy nuclear fusion or nuclear fission?
  
• What are some common mistakes students make with compounds?