Classify each of the listed properties of ozone (a pollutant in the lower atmosphere but part of a protective shield against UV light in the upper atmosphere) as physical or chemical. a. bluish color b. pungent odor c. very reactive d. decomposes on exposure to ultraviolet light e. gas at room temperature

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A: 12 principles of green chemistry has to be given,

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Q: The science of weights and measures Select one: a. Posology b. Metrology c. Viscosity

A: The science of weights and measures is called metrology.  As metrology means study of measurements

Q: 8. Scientists record and conclusions a journal entry th Rutherford's gold

A:

Q: 17. Based on the molecular diagram, classify each change as physical or chemical. a. b.

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A:

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Q: The body temperature of a healthy human being is: Select one: O a. 98.4°F O b. 39.1°C O c. 25.0°C O…

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Q: Describe the scientific approach to knowledge. How does it differ from other approaches?

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A: Anything that occupies space and has mass is called matter.

Q: Which letters on the graph below shows the state of matter with the greatest amount of energy?…

A: Point F ( water vapour/steam) shows the greatest amount of energy.

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Q: Charles Law

A: Charles's law

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A: CFCs break down to form chemicals that react with ozone. Is this a macroscopic or a microscopic…

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A: Given, T = 21.7 degree celsius

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A: Chiral objects are non-superimposable mirror images of each other.

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A: There are six important point to solve a problem via scientific approach.

Q: how about smoke? does it have mass? does it occupy space? explain please

A: The question is about,  whether smoke is a matter or not .  Further explanation in next step.

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A: The density is defined as the ratio of mass per unit volume. density = massvolume d = mv

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Q: Convert the number 0.000127 to scientific notation, then enter the answer using a power of 10.

A: To convert the given number in scientific notation  Given number : 0.000127

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A: Why does the water go up to the bottle? Answer and explaination is given below.

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Q: Future trends in green chemistry (

A: Future Trends in Green Chemistry :-

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