Prior to the discovery that freon-12 (CF2C12) was harmful to the Earth's ozone

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: One of relatively few reactions that takes place directly between two sollds at room temperature is…

A: For a balanced reaction number of atoms of each element must be equal on both sides.   Given :  Mass…

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: None

A:

Q: 27. Carbon dioxide in the atmosphere traps heat from the sun and makes life on Earth possible. Why…

A: In a sufficient amount of atmospheric CO2 maintain the temperature of earth and make earth…

Q: If 3.4 grams of C2H6 are combusted, how many grams of Water will be produced? Group of answer…

A: According to the question answer is not matching with the option. Whatever i m providing solution it…

Q: 1) diborane ΔHorxn    _____kJ/mol qsurr    _____MJ   2) methane ΔHorxn    _____kJ/mol qsurr…

A:

Q: If you labeled one of the H2CO3 oxygen atoms with an 18O instead of a 16O, what would be the…

A: H2CO3 on dissociation gives CO2 and H2O.

Q: Pick a source of (SO2) emissions and describe two ways (SO2) emissions from that source can be…

A: There are many sources of sulfur dioxide emission but one of the major sources is:

Q: courses.stcollege.edu/c Ammonia (NH3) Carbon Monoxide (CO) Helium (He) Krypton (Kr) Methane (CH4)…

A: The matching statements according to the gases is given below-

Q: If a 32 g bar of chocolate was completely combusted (to CO2 and H2O) with a stoichiometric…

A: Combustion of chocolate in presence of oxygen will show reaction like this C45H66O9 + O2 -> CO2 +…

Q: Which reactions lead to the production of NO2 without loss of ozone and therefore led to growth in…

A: The ozone formation-destruction process in the stratosphere occurs rapidly and constantly,…

Q: Why are oxygen and nitrogen not greenhouse gases? Which gases are greenhouse gases?

A: Given: Oxygen and nitrogen are not greenhouse gases   1. We have to write the reason behind the…

Q: A hypothesis about CO2 emissions.

A: Given, A hypothesis about CO2 emissions.

Q: Th e Canadian Ambient Air Quality Objective for ground-level ozone is 82 ppb. What is the maximum…

A: Given that: Density of air = 1.2 kg m-3   Air quality = 82 ppb

Q: Identify three sources of particulate matter found in air. Explain the difference between PM2.5 and…

A: Particulate matter include finely divided solid or liquid such as dust,fly ash,soot ,smoke, aerosol,…

Q: Which gas is not associated with the formation of acid rain? NO2 CONO SO3

A: ->Acid rain refers to rain fall and other forms of precipitation with a pH of less than 5 .…

Q: Why is it important to decrease the level of greenhouse gases in the Earth’s atmosphere?

A: The question is asking about the importance of reducing the level of greenhouse gases in the Earth's…

Q: Chemistry Question

A: If C-C double bond is present in the molecule then there will be chance of geometrical isomerism in…

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: There were 2250 tons of ammonium nitrate involved in the explosion in 1947. How many kg of oxygen…

A: The decomposition of ammonium nitrate releases oxygen gas, nitrogen gas , water and release high…

Environmental Pollution

Environmental pollution occurs due to some unwanted alteration in the surroundings which results in unfavorable effects on all organisms of that surrounding.