Posted in 6 SBI4U Biology

SBI4U Warm Up

  • watch salt dissolve at 100X
  • watch glucose dissolve at 100X
  • What is the formula of salt?
  • What is the formula of glucose?
  • How are the glucose crystals different in shape from the grains of salt?
  • Draw the structural formula of glucose
  • When salt dissolves, what part of the grain dissolves first?
  • Does the rate at which a grain of salt dissolves accelerate or remain constant?  Why do you think this happens?
  • Which dissolves faster – salt or glucose?  Why do you think this is so?

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