Chemistry

Recently Asked Questions In Chemistry

Question
Most elements on the periodic table are
(metalloids
metals
• nonmetals
gases
dir
Answer

metals, nonmetals, and metalloids.

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Most elements on the periodic table are classified as metals, nonmetals, and metalloids. Metals are elements that are generally shiny, mal...
Question
Can you recognize another example of a
boycott?
Giving a speech on television to raise awareness of
segregation
Marching to a state capital to protest unfair voting
laws
Refusing to go to a segregated movie theater
Answer

Refusing to go to a segregated movie theater.

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A boycott is an organized refusal to buy, use, or participate in something as a way of protesting against it. In this case, the example...
Question
)
Chemical
compound
MgBra
Al203
Sig
P20з
SiFA
1 Chemical name
Answer

1. Magnesium Bromide 2. Aluminum Oxide 3. Sigma (symbol for summation) 4. Phosphorus Trioxide 5. Silicon Tetrafluoride

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Sure, here's some more information on each of the chemical compounds: 1. Magnesium Bromide (MgBr2) - This is...
Question
Cells produced during mitosis are HAPLOID or DIPLOID.
Answer

Haploid

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Cells produced during mitosis are haploid, meaning they contain only one set of chromosomes. This is in contrast to diploid cells, which contain...
Question
.
Which sentence from the excerpt from the article "Millennials.
So Happy Together"
best supports the idea that co-working spaces result in positive interactions?
A. O In recent years, the co-working movement-along with its newer cousin, co-
living--has turned into a frenzy. (paragraph 1)
B. O These individuals or groups rent or pay a membership fee (monthly or daily) to
work in a shared space with others. (paragraph 3)
c. Today's co-working spaces give everyone the daily opportunity to socialize and
collaborate. (paragraph 6)
D. In many ways, co-living and co-working environments operate in loco parentis.
(paragraph 8)
Answer

C. Today's co-working spaces give everyone the daily opportunity to socialize and collaborate. (paragraph 6)

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The sentence in option C best supports the idea that co-working spaces result in positive interactions because it states that these spaces give everyone the opportunity to...
Question
When the nerve impulse ends, the muscle returns to its original length, which is called
Answer

Muscle relaxation.

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When a nerve impulse is sent to a muscle, it causes the muscle to contract. When the nerve impulse ends, the muscle relaxes and returns...
Question
evidence that achird is a binary star system
Answer

Observations of the spectral lines of Achird show periodic variations, indicating the presence of two stars orbiting each other. Additionally, high-resolution imaging has revealed two distinct sources of light at the location of Achird, further supporting the binary star system hypothesis.

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Achird, also known as Eta Cassiopeiae, is a star system located in the constellation Cassiopeia. It has...
Question
dove ambientata la storia? il vecchio e il mare
Answer

La storia "Il vecchio e il mare" di Ernest Hemingway è ambientata nella città di Cojímar, Cuba, e nelle acque del Golfo del Messico.

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La storia "Il vecchio e il mare" è ambientata nella città di Cojímar, un villaggio di pescatori situ...
Question
Which is complete sentence?
Susan ran.
O
The fastest big yellow bus.
O 3. My best friend and I.
O 4. Fell into the hole.
Answer

Susan ran.

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The sentence "Susan ran" is a complete sentence because it has a subject (Susan) and a predicate (ran) that expresses a complete thought...
Question
Which way will water move if 2 samples are divided by a semi permeable membrane the water will
• randomly move back and forth between the 2 samples
O move from the sample with higher (more) water to the sample with lower (less) water
O move from the sample with lower (less) water to the sample with higher (more) water
O not move because it cannot pass through a membrane
2
Answer

Move from the sample with higher (more) water to the sample with lower (less) water.

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Water will move from the sample with higher (more) water to the sample with lower (less) water due to osmosis, which is the...
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