Answers edited by reudhreghs

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• What information is useful for predicting whether metal will replace another metal in a compound?
  
• How do you evaluate # e^( ( 11 pi)/6 i) - e^( ( pi)/8 i)# using trigonometric functions?
  
• How can you use trigonometric functions to simplify # 23 e^( ( pi)/8 i ) # into a non-exponential complex number?
  
• Question #164f8
  
• How do you solve #x^2 + 6x + 10 = 0# by completing the square?
  
• If an object is dropped, how fast will it be moving after #4s#?
  
• How do you balance #C_6H_6 + H_2 -> C_6H_12#?
  
• What is the diameter of a circle with area of #18pi# #ft^2#?
  
• Question #f092a
  
• How many sigma and pi bonds are in the following molecules?
  
• Question #2019c
  
• How do you solve # (x-7)^2=9#?
  
• What is the daughter nucleus produced when 64Cu undergoes beta decay?
  
• How do you find the slope given (–9, 7) and (–2, –8)?
  
• Is this the correct punctuation? I need help with these sentences. If not, why?
  
• IUPAC name of CHF2CBrClF?
  
• Question #4f1bf
  
• A spring with a constant of #6 (kg)/s^2# is lying on the ground with one end attached to a wall. An object with a mass of #5 kg# and speed of #9 m/s# collides with and compresses the spring until it stops moving. How much will the spring compress?
  
• A charge of #24 C# passes through a circuit every #18 s#. If the circuit can generate #16 W# of power, what is the circuit's resistance?
  
• How do you solve #2x+2y=14# and #2x-y=5# using substitution?