Answers created by Mert M.

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• What mass of NaCl is required to prepare 308.0 mL of 0.250 M solution? Use a molar mass with at least as many significant figures as the data given.
  
• . Which statement best explains how early life forms that were harmed by oxygen evolved into today's life forms that require it?
  
• How do the properties of water support life on earth?
  
• What role do genes play in inheritance?
  
• In the laboratory you dilute 5.43 mL of a concentrated 6.00 M hydrobromic acid solution to a total volume of 150 mL. What is the concentration of the dilute solution? M
  
• What does abiogenesis theorize?
  
• How did endosymbiosis happen?
  
• Question #a8292
  
• Question #ec8dc
  
• How does molecular weight affect diffusion?
  
• Why are small populations more prone to genetic disease?
  
• What volume of a 0.125M #NiCl_2# solution contains 3.25g #NiCl_2#?
  
• How do you find the pH of a solution whose #[H^+] = 3.44 times 10^-12?#?
  
• Question #ad199
  
• How do you solve #3/5d+5=1/3d-3#?
  
• What are all of the ions that may be formed when #H_3PO_4# ionizes in water?
  
• If 20 mL of 1.0 M HCl is used completely to neutralize 40 mL of an NaOH solution, what is the molarity of the NaOH solution?
  
• How do you combine #5/(9-x^2)-4/(x^2+4x+3)#?
  
• What is the molar concentration of a #6.8*g# mass of hydrogen peroxide, that is dissolved in a volume of #100*mL# of water?
  
• A projectile is shot at an angle of #pi/8 # and a velocity of # 8 m/s#. How far away will the projectile land?
  
• A solution contains #[OH^-] = 4.0 times 10^-5# #M#, what is the concentration of #[H_3O^+]#?
  
• How do you simplify the expression #(3-sqrt5)^2#?
  
• Question #c3f25
  
• In general, what is the purpose of a checkpoint in the cell cycle?
  
• Question #48af4
  
• Question #c9d76
  
• What elements make up proteins?
  
• How do you solve #6( 8.78- 10.7a ) = - 4( 7.92+ 13.2a )#?
  
• Question #e9fb6
  
• Why is an amoeba not an animal?
  
• Question #4b90b
  
• Question #f5cf9
  
• How are most eukaryotic genes controlled?
  
• Question #19e13
  
• What cellular organelles would you expect to be absent from fungi?
  
• Is ( R )-lactic acid dextrorotatory or levorotatory?