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Chapter 2: Q4P (page 44)

What does “green chemistry” mean?

Short Answer

Expert verified

When doing chemical experiments, it is vital to minimize waste generation, and the study of the processes of doing so is called green chemistry.

Step by step solution

01

Defining green chemistry

Green chemistry (also known as sustainable chemistry) is a branch of chemistry concerned with developing products and methods that reduce or eliminate the usage of harmful compounds.

02

Explaining the meaning of green chemistry

When doing chemical experiments, it is critical to reduce the amount of waste generated. The study of the processes to do so is referred to as green chemistry.

Green chemistry is a set of ideas aiming at changing our behavior in order to keep the planet habitable.

This chemistry strives to reduce resource and energy consumption, as well as hazardous waste creation from chemical products and processes.

Some procedures have been created in order to prevent and/or reduce the development of hazardous waste.

Instead of utilizing the spectrophotometric Nessler test, which creates Hgl-2 as waste, we can calculate the amount of NH-3 using an ion-selective electrode.

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Most popular questions from this chapter

(a) The equilibrium vapor pressure of water at \({20^\circ }{\rm{C}}\) is \(2330\)Pa. What is the vapor pressure of water in the air at \({20^\circ }{\rm{C}}\)if the relative humidity is \(42\% \) ? (Relative humidity is the percentage of the equilibrium water vapor pressure in the air.)

(b) Use note \({\bf{13}}\) for Chapter \({\bf{2}}\) at the end of the book to find the air density\(({\rm{g}}/{\rm{mL}}\),not \({\rm{g}}/{\rm{L}})\)under the conditions of part\(\left( {\bf{a}} \right)\)if the barometric pressure is\(94.0{\rm{kPa}}\).

(c) What is the true mass of water in part \(\left( {\bf{b}} \right)\)if the mass in air is\(1.0000\;{\rm{g}}\)?

Why does buffer capacity increase as a solution becomes very acidic (pH≈1) or very basic (pH≈13)?

When is it preferable to use a plastic volumetric flask instead of a glass flask?

For chemical disposal, why is dichromate converted toCr(OH)3(s)

(a) Use the ideal gas law (Problem 1 - 18 ) to calculate the density (g/mL) of helium at 20°C and 1.00 bar.

(b) Find the true mass of Na (density = 0.97 g/mL) weighed in a glove box with a He atmosphere, if the apparent mass is 0.823 g.
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