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Naily [24]
3 years ago
7

A student found that 3 grams of ammonia gas formed 3 grams of solid ammonia when the

Biology
1 answer:
WITCHER [35]3 years ago
6 0

Answer:

The mass of a substance is constant according to the law of conservation of mass.

Explanation:

According to the law of conservation of mass, matter can never be created or destroyed in a chemical reaction, even though it may undergo change from one physical state to another.

This means that in an isolated or closed system, the mass of matter will always be the same irrespective of the type of change that matter undergoes. This is so because, the mass of a substance is a measure of the quantity of matter in that substance and is constant. The number of particles does not change during a change of state, only their spacing and arrangement. In solid ammonia, the particles are more compact and arranged, whereas in gaseous ammonia, they are more randomly spaced out.

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Which of these is an environmental change that occurs rapidly?
lozanna [386]
Out of all the options, only "Volcanic Eruption" is the rapid change

In short, Your Answer would be Option D

Hope this helps!
8 0
3 years ago
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Explain in detail how to decide the number of replications in a simulation study. Use fixed-sample-size and sequential procedure
erik [133]

Explanation:

Fixed sample size:

In this fixed sample size the data is studied and checked in order to find a relationship. The benefits it is easy to produce, and with it less reliable outcomes can be given.

Sequential procedures:

→Sequential procedures helps while we are collecting the data.

→At an interim analysis, data collection can be stopped whenever the results are convincing enough to conclude an effect is present.

→Or otherwise the more data can be collected, or if needed the study can be terminated whenever it is extremely unlikely the predicted effect will be observed if data collection would be continued.

→In this two or more blocks of different sizes are prepared for testing.

→Pros being it provides better results and is less time taking, as we can stop once the relation is seen, con being it is difficult to perform.

5 0
3 years ago
Eons are the broadest category of geologic time, and we live in the Phanerozoic eon. The Phanerozoic eon is further divided into
igor_vitrenko [27]

Answer:

D. Mass extinction events separate the three eras from each other

Explanation:

The Phanerozoic represents an eon, and it is the most recent one. It is further divided into three eras, Paleozoic, Mesozoic, and Cenozoic. The division between the tree eras is because of mass extinction events. The Paleozoic and Mesozoic era are divided by the Permian-Triassic mass extinctions. The Mesozoic and Cenozoic are divided by the Cretaceous-Paleogene extinction. The Cenozoic era is still in existence, as there hasn't been a mass extinction of a magnitude big enough so far.

4 0
4 years ago
What are accumulated cell Products that are never enclosed in a unit membrane called
Delicious77 [7]

The accumulated cell Products that are never enclosed in a unit membrane is called inclusion

<h3>What are cell inclusions?</h3>

Cell inclusion is defined as those pigment or nutrients that are found within the cell which is different from the cell organelles in both structure and function.

Example of cell inclusions are:

  • glycogen,

  • lipids, and

  • pigments.

Therefore, The accumulated cell Products that are never enclosed in a unit membrane is called inclusion.

Learn more about cell here:

brainly.com/question/13920046

#SPJ12

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2 years ago
The production of energy-rich ATP molecules is the direct result of
Ksju [112]
Recycling light energy to be used in the process of photosynthesis
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3 years ago
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