Chemistry, 26.02.2020 21:29 thisisalegand
Some children have reactions to Yellow 5 Dye or Lake. Yellow 5 is a pale yellow color and Yellow 6 is more orange. Look at your green, red, and blue spots. Determine by the colors seen on the chromatograms for these 3 colors, which of these colors of M & M candies you tested contain Yellow 5. A. green B. green, red, and blue all contain Yellow 5 C. blue D. red
Answers: 2
Chemistry, 21.06.2019 16:30
What is a scientific theory? a. a scientist's guess about how something works b. the results of an experiment obtained using the scientific method c. a proven fact that will never change d. an idea that is backed by data from many sources
Answers: 2
Chemistry, 22.06.2019 06:00
Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.
Answers: 2
Chemistry, 22.06.2019 08:00
An observation that requires measurement is called quantitative observable or qualitative
Answers: 1
Chemistry, 22.06.2019 20:30
The activation energy for the reaction no2(g)+co2(g)⟶no(g)+co(g) is ea = 300 kj/mol and the change in enthalpy for the reaction is δh = -100 kj/mol . what is the activation energy for the reverse reaction?
Answers: 3
Some children have reactions to Yellow 5 Dye or Lake. Yellow 5 is a pale yellow color and Yellow 6 i...
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