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timurjin [86]
3 years ago
8

What is a molarity a measurement

Chemistry
1 answer:
USPshnik [31]3 years ago
8 0

Answer:

Molarity indicates the number of moles of solute per liter of solution and is one of the most common units used to measure the concentration of a solution.

Explanation:

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Why is it commonly believed that carbon dioxide is responsible for global warming? Select 2 options.
monitta

Answer:

Carbon dioxide levels in the Earth's atmosphere have been steadily increasing.

Carbon has a longer average lifetime in the atmosphere.

Explanation:

Today the level of carbon dioxide is higher than at any time in human history. Scientists widely agree that Earth’s average surface temperature has already increased by about 2 F (1 C) since the 1880s, and that human-caused increases in carbon dioxide and other heat-trapping gases are extremely likely to be responsible.

The lifetime in the air of CO2, the most significant man-made greenhouse gas, is probably the most difficult to determine, because there are several processes that remove carbon dioxide from the atmosphere. Between 65% and 80% of CO2 released into the air dissolves into the ocean over a period of 20–200 years.

6 0
3 years ago
Read 2 more answers
Why is a mass movement of mud called a flow?
wariber [46]
In terms of a deeper scientific reason, I am not sure, but the basic reason is quite simple. "Mud" tends to look like a mix between a solid, dirt, and a liquid, water or some other liquid. Since it is, in fact, a cross between a solid and a liquid, it has properties of both. It has certain physical and visual properties that only a solid would have, such as texture and opaqueness, but it also has physical properties of a liquid. Since it leans more towards the liquid side than the solid side, we say mud "flows" rather than saying that it "rolls" or "bounces".
5 0
3 years ago
Entropy can be thought of as the degree of disorganization of a system.<br> TRUE<br> FALSE
Mice21 [21]

Answer:

True

Explanation:

The entropy of a system denoted by S is a thermodynamic function that increases in value when there are more ways to arrange the particles in the system. Some spontaneous chemical processes are entropy driven. An increase in entropy is said to drive the dissolution of ionic salts along with the evaporation of water are related to the spreading out of energy.

The entropy of a system can be taken as a measure of disorder of a system. In a spontaneous chemical process, the entropy of the universe is said to increase. ΔSunivu>0. Making the answer true.

7 0
3 years ago
What is the ph of a 0.034 m hydrochloric acid solution?
Law Incorporation [45]
PH= -log [H+]   
= - (log 0.034)   
= - (-1.5)   
= 1.5
8 0
3 years ago
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If 2.27 moles of bromine react with excess phosphorus, how many moles of phosphorus tribromide will be produced
zalisa [80]

Answer:

The answer to your question is 1.51 moles of PBr₃

Explanation:

Data

moles of Br = 2.27

moles of PBr₃ = x

Balanced chemical reaction

                   2P   +   3Br₂  ⇒   2PBr₃

             Reactant      Element     Products

                   2                  P                 2

                   6                  Br                6

-Use proportions to find the answer

              3 moles of Br₂ ------------------  2 moles of PBr₃

         2.27 moles of Br₂ ------------------  x

               x = (2.27 x 2) / 3

               x = 4.54 / 3

              x = 1.51 moles

7 0
3 years ago
Read 2 more answers
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