Answers edited by Ben G.

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• What is the mass of 1.5 moles of #CO_2#?
  
• Question #54917
  
• The Hall Héroult process is used to produce what?
  
• A ball with a mass of #125 g# is projected vertically by a spring loaded contraption. The spring in the contraption has a spring constant of #8 (kg)/s^2# and was compressed by #3/5 m# when the ball was released. How high will the ball go?
  
• Question #6e2a4
  
• How do you multiply #5 1/2# by #3 3/4#?
  
• After Mrs. Fisher lost 4​% of her​ investment, she had $ 55,200. What was Mrs.​ Fisher's original​ investment?