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?