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Digiron [165]
3 years ago
9

Write a scientific explanation using the CER format to answer the question:

Chemistry
1 answer:
matrenka [14]3 years ago
7 0

Answer:

Well i know why

Explanation:

Claim: I believe that the corpse flower uses a chemical reaction to emit an odor for reproducing purposes.

Evidence: (credit: national geographic) says, "... a male emits an odor that attract bugs. And after 12 hours the male spray the trapped bugs with pollen  and lets them go. after that the female corpse flower hopefully attracts some of the same bugs that the male attracted and takes the pollen to reproduce." To sum it down the flowers odor is for attracting bugs that  were attracted by the male flower.

Reason: the reason that the evidence supported my claim is  because i answered why the plant gives of an oder and i said for reproducing purposes  and the evidence states the the female flower takes pollen for the bugs given to them by the male flower.

i REALLY hope this helps unlike the other person

Funny thing is i was looking for an answer and all i had to do is copy and paste this one and i ended up answering it my self.

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What is the internal energy of a system? What is the variable for internal energy?
Orlov [11]

Explanation:

Internal energy is the sum of all the energies inside or within a system because molecules of the system will have kinetic, potential, rotational, vibrational etc energies.

Internal energy arises because of random or disordered movement of particles within a system.

Therefore, internal energy of a system is the sum of kinetic and potential energy of all the particles present inside the system.

The variable for internal energy is "U". Also, change in internal energy is represented by \Delta U.


7 0
3 years ago
Red paint mixed with blue paint becomes purple. What is the most likely cause of this color change?
melamori03 [73]

Answer:

I might be late but when red paint and blue paint mix to become purple. its a <u>physical change</u>, so its C

Explanation:

5 0
3 years ago
Atmospheric pressure at sea level is equal to a column of 760 mm Hg. Oxygen makes up 21 percent of the atmosphere by volume. The
Neporo4naja [7]

<u>Answer:</u> The partial pressure of oxygen is 160 mmHg

<u>Explanation:</u>

We are given:

Percent of oxygen in air = 21 %

Mole fraction of oxygen in air = \frac{21}{100}=0.21

To calculate the partial pressure of oxygen, we use the equation given by Raoult's law, which is:

p_{O_2}=p_T\times \chi_{O_2}

where,

p_{O_2} = partial pressure of oxygen = ?

p_T = total pressure of air = 760 mmHg

\chi_{O_2} = mole fraction of oxygen = 0.21

Putting values in above equation, we get:

p_{O_2}=760mmHg\times 0.21\\\\p_{O_2}=160mmHg

Hence, the partial pressure of oxygen is 160 mmHg

8 0
3 years ago
3 things to say when your girlfriend is sad?
MAXImum [283]

Answer:

don't be sad you have a nice peach

babe you got that wap

don't be sad go get a tattoo

3 0
3 years ago
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What observations will you look for to determine if a metal undergoes reaction?
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When a metal undergoes a reaction, especially with a nonmetal, you should look for the formation of salts or the formation of precipitates in the case the product is not soluble to water. Metals loses electrons to form positive ions which then reacts to nonmetals that are negatively charged ions.<span />
8 0
3 years ago
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