The correct answer would be
“The gases were to light to beheld by gravity”
Related Questions
c. Isotopes differ only in their number of neutrons – so they contain 0, 1, and 2 neutrons, respectively.
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Isotopes have the same number of protons but different number of neutrons.
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Power plants use specialized scrubbers to remove sulfur oxide gases. true or false.
Answer:
The given statement is TRUE
Explanation:
Sulfur oxides (SOx) are compounds of sulfur and oxygen molecules. Sulfur dioxide (SO2) is the pre- dominant form found in the lower atmosphere. It is a colorless gas that can be detected by taste and smell. Scrubbers help to remove most of the sulfur oxides from the smoke stack exhaust of a power plant. In the scrubber, there is a water spray that produces a cloud of fine water droplets. The water is mixed with crushed limestone, which reacts with the sulfur and pulls it out of the exhaust
Answer: b. pollution causes destruction of coral reefs, which are important sources of shelter and breeding for marine animals
Explanation:
Some of the air pollutants like carbon dioxide, carbon monoxide and sulfuric acid mixes with the marine water also the solid waste materials which are discharge in water and oil spill also contaminate the quality of marine water. The pollutants directly influence the life of the marine animals. They cause destruction of the coral reefs. Water pollutants such as fertilizers, oils, animal wastes can block the sunlight reaching the reef. This can cause coral bleaching which may occur due to the removal of the algal colony living in symbiotic association with the coral polyp. The poisonous pollutants can kill the coral polyps and this will leave many marine creatures devoid of shelter. Hence, some marine species will not be able to copulate and reproduce. Thus they may become extinct.
How many hydrogen bonds can CH2O make to water
H2C=O———H-OH
But you should remember that the H2O molecule will be exchanging constantly with others in the solvation shell of the formaldehyde molecule and these in turn will be exchanging with other H2O molecules in the bulk solution.
Formaldehyde in aqueous solution is in equilibrium with its hydrate.
H2C=O + H2O <—————–> H2C(OH)2
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Calculate the number of atoms in 3mol helium
Question 1 :
Given n = 1.11 x 10^-6
To get no. of the particle,
No of particle = no. of mole x Avogadro Constant
p = n x NA
1 mol of Helium = 6.02 x 10^23
No of atoms = (6.02 x 10^23) x (1.11 x 10^-6)
= 6.66 x 10^17
…………………………..
Question 2 :
Given p = 4.29×10^21
p = n x NA
4.29 x 10^21 = n x (6.02 x 10^23)
(4.29 x 10^21) / (6.02 x 10^23) = n
n = Approximately 7.126 x 10^-3
Hope the answer is right 🙂
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Use our writing service to score better and meet your deadlines
No matter what kind of academic paper you need, it is simple and secure to hire a writer for a price you can afford at StudyHawks. Save more time for yourself.
Use our writing service to score better and meet your deadlines
No matter what kind of academic paper you need, it is simple and secure to hire a writer for a price you can afford at StudyHawks. Save more time for yourself.
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