Answers created by Harsh Gupta

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• A bag of ballast is accidentally dropped from a balloon which is stationary at an altitude of 4900m. How long does it take for the bag to hit the ground?
  
• What is Carbon 500?
  
• A cube of gold (Au) has a side length of 1.55 cm. If the sample is found to have a mass of 71.9 g, how do you find the density of Au?
  
• How is potassium oxidized by water? What is the reduction product?
  
• Is HCl is a strong base or acid?
  
• Question #b5b8d
  
• How does solute concentration affect diffusion?
  
• How does electronegativity relate to the reactivity of metals?
  
• Question #f862c
  
• What is the Big Bang Theory and how does it account for the creation of the universe?
  
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• How does an aromatic hydrocarbon differ from a cycloalkane?
  
• Question #3256c
  
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• Question #a276b
  
• Question #acf82
  
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• Why do nonmetals form anions?
  
• Question #617f0
  
• Question #3c6bf
  
• What are the similarities between the Rutherford and Bohr atomic models of the atom? How did Bohr improve on the Rutherford model?