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marysya [2.9K]
3 years ago
11

Which of the following has the greatest mass, in grams?

Chemistry
1 answer:
Elina [12.6K]3 years ago
7 0
Mole represents the a huge Avogadro number (way larger than  atom), so we can eliminate option A and D.

And we know that Mercury is a solid , which mean it has greater mass than chlorine

So the answer is  : B. 1.0 mol mercury (Hg) Atom


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Summarize the feedback loop (transfer of energy) between the microbes and the mushrooms. (Video #1)
netineya [11]

Answer:

Cyanobacteria, Azotobactor and Azospirillum are the microbes which is required for nitrogen cycle.

Explanation:

Nitrogen Cycle is a type of cycle in which nitrogen moves from atmosphere to the earth surface and again return back to the atmosphere. Cyanobacteria, Azotobactor and Azospirillum are the microbes which is required for nitrogen cycle. If these microbes is vanished from the environment, the nitrogen cannot be converted into other forms. Carbon is present in the atmosphere in carbondioxide form. This CO2 is used by the plants from atmosphere and make food from it. When these plants are eaten by animals, this CO2 is again release in the atmosphere. Due to global warming, the microbes present in the soil die due to increase in temperature of the soil. Levels of CO2 and CH4 increases if the soil warms up.  With the increase in temperature, soil respiration increases which leads to more emission of CO2 and as a result more global warming occurs.

5 0
3 years ago
Answer the following questions about the fermentation of glucose (C6H12O6, molar mass 180.2 g/mol)
Yuri [45]

The amount of energy in kilocalories released from 49 g of glucose given the data is -4.4 Kcal

How to determine the mole of glucose

Mass of glucose = 49 g

Molar mass of glucose = 180.2 g/mol

Mole of glucose = ?

Mole = mass / molar mass

Mole of glucose = 49 / 180.2

Mole of glucose = 0.272 mole

How to determine the energy released

C₆H₁₂O₆ →2C₂H₆O + 2CO₂  ΔH = -16 kcal/mol

From the balanced equation above,

1 mole of glucose released -16 kcal of energy

Therefore,

0.272 mole of glucose will release = 0.272 × -16 = -4.4 Kcal

Thus, -4.4 Kcal were released from the reaction

Learn more about stoichiometry:

brainly.com/question/14735801

#SPJ1

6 0
2 years ago
Scientists think the continents once formed a large, single landmass that broke apart, and then the continents slowly drifted to
Naya [18.7K]
The answer is b, continental drift
8 0
3 years ago
How many grams are there in 2.7 x 1021 molecules of NiNz?
Inessa05 [86]

Answer:

2.7 x 1021=2756.7

Explanation:

I don't know what NiNz is

3 0
3 years ago
What does this look like? Can someone write out the Stoichiometry starting with 50 grams of carbon (use balanced equation)
UNO [17]
That depends on what the reaction is. Do you have more info related to this problem?
3 0
3 years ago
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