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Archy [21]
3 years ago
5

Which condition would lower the salinity of ocean water? A. high rates of evaporation B. freezing of glaciers C. extremely hot w

eather D. a river flowing into the sea
Chemistry
2 answers:
Paraphin [41]3 years ago
5 0

It is a I have done this in a quiz and got it right


oksano4ka [1.4K]3 years ago
5 0

\boxed{{\text{D}}{\text{. a river flowing into the sea}}} would lower the salinity of ocean water.

Further Explanation:

Water that comprises oceans and seas covers more than 70 % of the surface of the earth. Ocean water is not just pure water; it also contains a variety of substances in it. It mainly contains sodium chloride in it and also includes some other chemicals like sulfate, potassium, calcium, and magnesium. When it rains, minerals present in rocks get dissolved in some portion of water which then flows into rivers or seas. But evaporation of this water takes place and during this process, minerals are left behind, making the ocean water salty. The salinity of water depends on the number of minerals dissolved in it.

When evaporation of ocean water occurs, it removes water from it and salt is left behind so it results in an increase in the salinity of ocean water. The freezing of glaciers does not have any impact on the salinity of ocean water.

When the weather is extremely hot, it results in more evaporation of water, leaving large amounts of salt behind so it increases the salinity of ocean water.

The river consists of fresh water that has no salt in it. So when a river flows into the sea the amount of salt in it decreases due to the addition of fresh water to it. Therefore a river flowing into the sea would decrease or lower the salinity of ocean water.

Learn more:

  1. Identify the phase change in which crystal lattice is formed: brainly.com/question/1503216
  2. The main purpose of conducting experiments: brainly.com/question/5096428

Answer details:

Grade: Senior School

Chapter: Phase transition

Subject: Chemistry

Keywords: ocean water, evaporation, fresh water, ocean water, salinity, glaciers,  

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irga5000 [103]

<u>a. one carbon and one oxygen?</u>

Answer:

(1) Carbon + (1) Oxygen = Carbon monoxide (CO)

Explanation:

Carbon monoxide (CO), an odorless, colorless gas, which can cause sudden illness and death, is produced any time a fossil fuel is burned.

https://www.cdc.gov/co/default.htm

<u>b. one carbon and two oxygen? </u>

Answer:

(1) Carbon + (2) Oxygen = Carbon dioxide (CO2)

Explanation:

a colorless, odorless gas produced by burning carbon and organic compounds and by respiration. It is naturally present in air (about 0.03 percent) and is absorbed by plants in photosynthesis.

https://www.britannica.com/science/carbon-dioxide

<u>c. one carbon and four chlorine?</u>

Answer:

(1) Carbon + (4) Chlorine = Carbon tetrachloride (CCl4)

Explanation:

Carbon Tetrachloride is a clear, colorless, volatile and very stable chlorinated hydrocarbon. Carbon Tetrachloride is used as a solvent for oils and fats, as a refrigerant and as a dry-cleaning agent. Inhalation of its vapors can depress central nervous system activity and cause degeneration of the liver and kidneys. Carbon Tetrachloride is reasonably anticipated to be a human carcinogen based on evidence of carcinogenicity in experimental animals.

https://pubchem.ncbi.nlm.nih.gov/compound/carbon_tetrachloride

I hope this helps, if it dose please give brainest, and have a nice day!

8 0
3 years ago
The proposed mechanism for a reaction is: Step 1: A + B X (fast) Step 2: X + C Y (slow) Step 3: Y D (fast) What is the overall r
PolarNik [594]

Answer:

(slow)xy2+z→xy2z (fast) c step1:step2:xy2+z2→xy2z2

Explanation:

Step1: xy2+z2→xy2z2 (slow)

Step2: xy2z2→xy2z+z (fast)

2XY 2 + Z 2 → 2XY 2 Z

Rate= k[xy2][z2]

 

When the two elementary steps are summed up, the result is equivalent to the stoichiometric equation. Hence, this mechanism is acceptable. The order of both elementary steps is 2, which is ‘≤3’; this also makes this mechanism acceptable. Furthermore, the rate equation aligns with the experimentally determined rate equation, and this also makes this mechanism acceptable. Therefore, since all the three rules have been observed, this mechanism is possible.

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Explanation:

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Answer:

Argon is an element on the periodic table. It is a member of the noble gasses, meaning that it is a monoatomic pure gas. In other words, argon gas particles are simply pure single atoms of argon. ... Finally, water is a polyatomic molecule H2O composed of two atoms of hydrogen and one atom of oxygen.

Explanation:

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Answer:

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