Chemistry, 18.01.2022 22:00 20jhutchinson
Why do we set the spectrophotometer or colorimeter to a wavelength of 565 nm or ""green"" in order to measure the absorbance of crystal violet?
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What is the ima of the 1 st class lever in the graphic given? 2 3 0.5
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How many atoms of mg are present in 97.22 grams of mg? 6.022 × 1023 2.408 × 1024 4.818 × 1024 5.855 × 1025
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In water, a strong acid will break down into its component parts. a. completely b. partly c. never in water, a weak base will break down into its component parts. a. completely b. partly c. never
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Chemistry, 22.06.2019 20:20
The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.
Answers: 1
Why do we set the spectrophotometer or colorimeter to a wavelength of 565 nm or ""green"" in order t...
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