Recently Asked Questions In Chemistry

Question

add to your PCR tube? (Label Al

is the function of a "primer?*

Port rube (F) hos already been don

What i

Answer

A primer is a short piece of DNA or RNA that is complementary to a specific sequence of nucleotides in a template strand and is used as a starting point for DNA synthesis during the PCR process.

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A primer is a short piece of DNA or RNA that is complementary to a specific sequence of nucleotides in a template strand. Primers are used...

Question

hich one of the following was the spark that lit the powder keg, beginning World War One?

Answer

The assassination of Archduke Franz Ferdinand of Austria-Hungary.

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The assassination of Archduke Franz Ferdinand of Austria-Hungary on June 28, 1914, in Sarajevo, Bosnia,...

Question

I does not know if he should reveal his presence to Juliet,

© does not understand the meaning of Juliet's speech,

• has decided to ask Jullet to marry him,

© has heard quite enough from Juliet,

No new data to save. Last checked at 1:20pm

Answer

No.

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No, the given information does not provide enough data to determine if the person should reveal his presence to Juliet or not. The given information only states...

Question

5. siO,

+

Mg

_>

Si

+

MgO

Reaction type:

Answer

Double Replacement (or Double Displacement) Reaction

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This is a double replacement (or double displacement) reaction, where two compounds exchange ions to form two new compounds. In this case, the Si...

Question

11. Because the environment surrounding a bond in a molecule alters the bond energy

slightly. predict how scientists might calculate one bond energy value for the table in

Model 2.

Answer

Scientists might use experimental techniques such as spectroscopy or calorimetry to measure the energy required to break a specific bond in a molecule, while carefully controlling the surrounding environment to minimize any external influences. This would allow them to obtain a precise bond energy value for the bond of interest.

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Bond energy is the amount of energy required to break a bond between two atoms in a molecule. However, the bond energy value can be influenced by...

Question

Both poems share a tone of

• longing.

aloneness.

desperation.

hopelessnes

Answer

Longing, aloneness, desperation, and hopelessness.

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The answer to this question is that both poems share a tone of longing, aloneness, desperation, and hopelessness. This is because these...

Question

JIMBERS

Read the following sentence from the passage.

Pregnant women that survived this difficult time gave birth to

babies who later showed evidence of their mothers' food

deprivation. (paragraph 6)

Which of the following words has a meaning most similar to that

of deprivation as it is used in this sentence?

debit

scarcity

removal

discrepancy

Answer

scarcity

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In the context of the sentence, "deprivation" refers to the lack or scarcity of food that pregnant women experienced during a difficult time. Therefore...

Question

The Florida Everglades,

located on the east coast, has

what type of climate?

A. cold and dry

B. mild and wet

C. hot and wet

Answer

C. hot and wet.

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The Florida Everglades have a tropical climate, which is characterized by hot and humid conditions throughout the year. The average temperature in the Evergl...

Question

10)

Read the passwords below and determine the strongest one.

OA) gRe@tjob

O B) likebob2015

OC) anna99

OD) June111998

Save

Not Graded

Answer

The strongest password is option A) gRe@tjob as it includes a mix of uppercase and lowercase letters, numbers, and special characters.

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A strong password should be difficult for others to guess or crack. The password "gRe@tjob" is strong because it includes a mix...

Question

What event began the Church?

O a) When the bible was created

b) Pentecost

C) Protestant reformation

d) Christ's crucifixion

Answer

b) Pentecost

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The Church began on the day of Pentecost, when the Holy Spirit descended upon the Apostles and they began to preach the Gospel. This event is...