(b) How does application of microwave in chemical reactions make it 'greener'?

Q: Photobromination of cinnamic acid to dibromocinnamic acid was carried out in blue light of…

A: According to the question we have, The wavelength of blue light = 440 nm Light intensity is = 1.5 ×…

Q: in an average O3 molecules "lives" only 100-200 seconds in the stratosphere before undergoing…

A: Decomposition is a process in which single molecules break into more molecules. The reaction in…

Q: Why are sodium and lithium typically analyzed by atomic emission while transition metals such as…

A:

Q: What will be the products if the following compounds were to react with ozone and hydrogen peroxide…

A: Ozone react with alkene and it oxidised the alkene into aldehyde group and this reaction is known as…

Q: On the basis of what you observed between carbon dioxide and the glowing splint, explain how CO2…

A: We have to tell how CO2 fire extinguisher works

Q: write a summary on Production of inorganic light-harvesting materials for solar cells

A: A solar cell is an electrical device which converts the light energy directly into electricity by…

Q: Give the polutants that are primarily responsibie for tropospheric czone increases and stratospheric…

A: The statement can be completed as:-  1. Tropospheric ozone comes primarily from NO , which is…

Q: Ozone is most depleted in Antarctica although very few people live there. Scientists believe that…

A: The solution of the given question is

Q: Describe why ozone is more reactive than oxygen gas

A: Oxygen gas exists as diatomic molecule and its molecular formula is O2. But ozone gas exists as…

Q: (a) When chlorine atoms react with atmospheric ozone,what are the products of the reaction? (b)…

A: a.

Q: Give answers of the following. a. What are the different stages of the coal formation. Give detail.…

A: There are four stages in coal formation: peat, lignite, bituminous, and anthracite. The stage…

Q: b. Briefly explain why emission by phosphorescence has shorter wavelength than the absorbed…

A: Phosphorescence is defined as the emission of light  from T1  to So . The radiative transition…

Q: Write the balanced molecular equation for the conversion of U and ClF3 into UF6 and Cl2?

A: The balanced molecular equation for the conversion of U and ClF3 into UF6 and Cl2 has to be written.

Q: Atomic Br is more efficient at catalytically destroying ozone than atomic Cl in the stratosphere due…

A: There are some statements ,we have to tell which are incorrect or false amoung the above statements.

Q: Summarize the causes and effects of radon gas on health. How can it be controlled?

A: Sources of Radon exposure: 1. Soil :  Radon gas is a element found in soil and rocks.  Radon gas…

Q: Write a summary of chromium in three sections (environmental occurrence, industrial production and…

A: Chromium Chromium is the 21st most abundant element in the Earth's crust. It is a transition metal…

Q: Which of the following paired statements are correct? A Prism --- serves as the source of radiation…

A: Prism will separate light into its component wavelengths. Light source serves as source of…

Q: Describe the origins and behavior of sulfur oxides and nitrogen oxides as air pollutants, including…

A: Nitrogen oxide i.e. NO2 is found in air as an air pollutant. It is mainly produced from burning of…

Q: is a phenomenon that may be caused by the burning of fossil fuels, which increases the carbon…

A: Interpretation: The given statement is to be completed.

Q: 7. What does the acronym VSEPR mean?

A: VSEPR = Valence Shell Electron Pair Repulsion theory

Q: How does organic chemistry contribute in the field of radiography.

A: Radiography is an imaging technique using X-rays, gamma rays, or similar ionizing radiation and…

Q: What are ways that chemistry can be applied in the field of occupational therapy?

A: Occupational therapy uses chemistry to study about the Chemical changes occuring in the body

Q: What is the major disadvantage of HFCs as replacements for CFCs?

A:

Q: The pressure of the atmosphere decreases with increasing altitude in the Choose all that apply. The…

A: The pressure of the atmosphere decreases in all layers with increasing altitude due to decrease in…

Q: The tropospheric processes discussed in this chapter cannot be considered as independent reactions.…

A: Disscussing the relationship between production of nitrogen oxide species and formation of acid…

Q: It is often said that water vapour amplifies the Earth’s greenhouse effect. Indicate one way that an…

A: Water vapour and greenhouse effect: Water vapour is also the most important greenhouse gas in the…

Q: What is a greenhouse gas? Give the chemical formulas of two compounds that function as greenhouse…

A: Greenhouse gases are the gases that cause greenhouse effect by absorbing infrared radiation which…

Q: If CF2CI2 exists in the stratosphere, which radicals will be formed when it is irradiated? What…

A: Because carbon chlorine bond energy is smaller than carbon fluorine bond energy so it is easier to…

Q: what is Kolbe-Schmidt reaction?

A: Kolbe-Schmitt reaction is the type of carboxylation reaction that involves the heating of sodium…

Q: Which has the lowest albedo value? O ice O land other ocean Which of the following are examples of…

A: Albedo value is the measure of reflectivity of surface. Albedo generally represents the whiteness of…

Q: Use the energy requirements of these two processes to explain why photodissociation of oxygen is…

A:

Q: Which of the following can act as a catalyst for the destruction of stratospheric ozone? (A)…

A: The question discusses about the catalytic activity of several radicals in terms of the degradation…

Q: Which of the following reactions in the stratosphere causean increase in temperature there?(a) O(g)…

A: The stratosphere is a layer of Earth's atmosphere. It is the second layer of the atmosphere as you…

Q: Which of the following is responsible for the rise in temperature in the stratosphere? a. height of…

A: Answer of the question given below,

Q: CI Resides in the stratosphere as a layer of Earth's protection by absorbing UV radiation An…

A: The chemicals given are

Q: Chemical formula of Pb2+ And PO43-

A:

Q: Why is carbon monoxide a dangerous air pollutant? How does it affect human health at low levels and…

A: The most common symptoms of CO poisoning are headache, dizziness, weakness, upset stomach, vomiting,…

Q: What is the biological significance of the stratospheric ozone layer at Earth’s surface?

A: The stratospheric ozone layer absorbs much of the damaging fraction of solar UV radiation and thus…

Q: Why is stratospheric ozone beneficial to life on Earth, whereas tropospheric (ground-level) ozone is…

A: Stratospheric ozone layers protect us from UV rays coming from sun . which can causes skin cancer.

Q: Write out the nuclear energy configuration (energy configuration of protons and neutrons in the…

A: The nucleus is composed of protons and neutrons. General representation for the nucleus is given…

Q: Chemistry and Environmental Pollution Describe the role of organisms in the nitrogen cycle.

A: Key points Nitrogen is a key component of the bodies of living organisms. Nitrogen atoms are…

Q: What are the formation mechanisms for NOx emission?

A: NOx is a representation of the oxides of nitrogen like NO and NO2. They are formed when nitrogen and…

Q: Write the name of three steps of free-radical halogenation of methane?

A: Radicals are atoms, ions or molecules that have one unpaired valence electron. Free radical…

Q: a) Why do oxygen atoms exist longer at 120-km altitude than at 50-km altitude?

A: At higher altitude oxygen atoms exists longer.

Q: Which of the following process add carbon to the atmosphere? 1. Carbonic acid formation and…

A: When carbon is added to atmosphere it increase the temperature and leads to global warming.

Actinides

The elements in which the extra electron tends to enter the 5f-orbitals of (n–2)th main shell are considered 5f-block elements. They are also named actinides. Actinides include 15 elements, from atomic number 89 to 103.