Answers created by DR

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• How to differentiate with respect to 'x' y=cos^(-1){2x √(1-x^(2))} ?
  
• How do you find the slope and intercept of #y=3x-7#?
  
• How would you define ionization energy, electron affinity and electronegativity?
  
• How do you solve #-7*e^(4v)=-79#?
  
• Is (5, -2), (5, -1), (5, 0), (5, 1) a function?
  
• How do you solve the inequality #2| x -5| > 32#?
  
• Why is partial pressure of oxygen lower at high altitudes?
  
• How do single, double, and triple covalent bonds differ?
  
• A chemist did an experiment and mixed baking soda with vinegar. She collected CO2 in a balloon. But there was also water vapor in the balloon. If the total pressure of the gas collected was 2.76 atm and the temperature was 290C, what was pressure of CO2?
  
• Integral of dx/[2cos²x+3cosx]?
  
• Sales in a fast food restaurant is believed to follow a normal distribution with mean of 12 and variance of 5?. Find the probability that the sales?.a)between 10 and 15, b)is less than 8 ,c) more than 11
  
• Why is the rate of reaction important in industry?
  
• Calculate total number of optical isomers in the following compound CH3(CHOH)3CH3 ??