Chemistry, 28.04.2021 14:00 bunbun2913
20. Gabriel is determined to find the density of an unknown, irregularly shaped object. Using a digital scale to get the mass and the displacement method to get the volume, he records the following data: (6 points) Mass-19.37 g Initial volume-50.00 mL Final volume- 61.94 mL What is the density of the unknown object? PLEASE SHOW YOUR WORK!โ
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The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. the change in shape triggers a series of events that results in an electrical signal being sent to the brain that results in vision. the minimum energy required to change the conformation of 11-cis-retinal within the eye is about 164 kj/mol.
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How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide
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Sum of brother and sisters age is 26. four times the brothers age is subtracted from three times the sisters age, the difference is 8. what are the ages of the brother and sister?
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20. Gabriel is determined to find the density of an unknown, irregularly shaped object. Using a digi...
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