Answers edited by Cameron G.

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• A 1.50-g sample of nitrous oxide contains #2.05 * 10^22# #N_2O# molecules. How many nitrogen atoms are in this sample? How many nitrogen atoms are in 44.0 g of nitrous oxide?
  
• If an object is accelerating, can the net force acting on it ever be zero?
  
• According to Bohr’s model of the atom, in which orbitals do electrons have the least energy?
  
• Question #90750
  
• How many grams of silver are needed to absorb 1.00 kJ of energy changing the temperature from 33.0°C to 41.8°C?
  
• How do you solve #y= ( 1- 4) ^ { 2} + 1#?
  
• How would you find molar mass?
  
• Question #13e16
  
• How do you factor completely #2b^2-2b-12#?
  
• Question #bca43
  
• Question #0a1c0
  
• It takes light to roughly #3.0 times 10^9# seconds to travel one meter. How do you write this time in standard form?