What type of reaction does this equation represent?

2140g(s) - 412(s) + 902(9)

A.
combination
B.
decomposition
C.
single-replacement
D.
double-replacement

Answers

Answer 1

Answer:

i think

Explanation:

Probably B.

decomposition

C.

single-replacement

D.

double-replacement

​i think

Answer 2

This equation represent a decomposition reaction. A decomposition reaction occurs when a single reactant breaks down into two or more products. It can be exothermic or endothermic and has applications in various fields. Option B is the correct answer.

A decomposition reaction is a type of chemical reaction where one reactant breaks down into two or more products. The general format of a decomposition reaction is given as "AB → A + B", where 'AB' represents the parent molecule and 'A' and 'B' represent the product molecules. Option B is the correct answer.

This reaction can be both endothermic or exothermic, although most decomposition reactions are exothermic, meaning they release heat. One common example of a decomposition reaction is the electrolysis of water to produce hydrogen gas (H2) and oxygen gas (O2). In this reaction, water (H2O) breaks down into its constituent elements. The given reaction "2I₄O₉(s) → 4I₂(s) + 9O₂(g)" is also an example of a decomposition reaction. Here, the reactant I₄O₉ decomposes into the products I₂ and O₂. This reaction releases energy and is considered exothermic.

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The complete question is, "What type of reaction does this equation represent?

2I₄O₉(s) → 4I₂(s) + 9O₂(g)

A. combination

B. decomposition

C. single-replacement

D. double-replacement"


Related Questions

A Roman contribution to architecture

Answers

Answer:

Widespread use of concrete.

Explanation:

Roman contribution to architecture is remarkable.

One of the main contributions of Romans to architecture is the use of concrete.

Roman architects realised that concrete could be made locally.

They realized that concrete has the qualities of:

Strength compared to commonly used marble.Easily curved into desired shapesCost effective since it could be produced locally.Could las longer than the commonly used marble.

This brought a revolution to the architectural field that even the emperor set a budget for concrete.

Which of the following brought the U.S. economy out of the Great Depression?

A)World War I
B)World War II
C)the Korean War
D)the Vietnam War

Answers

Answer:

B)

Explanation:

World war 2 brought a great need for manufacturing weapons and other supplies. the war brought money for america as they used their immense industrial economy that caused the great depression to produce supplies, reopening the thousands of now needed jobs.

World War II brought the U.S. economy out of the Great Depression.

Option B

Explanation:

The American life during the war was in a situation to become worse easily, things at that time were at a poorly unbalanced state, food was rationed, taxes were high and jobs were dangerous. The "Second World War" provided a short term fix for the state of the United States economy. During the war everyone have job either in military or weapon manufacturing.  

WW2 not only ended the great depression but also increased the savings of the people.

is anyone in 7th grade with social studies

Answers

Answer:

yes

Explanation:

Yes:) n I have an A in that class:]

How are formal amendments to the constitution made

Answers

Answer:

For a proposal it requires the approval of two-thirds of the two houses of Congress. For a ratification it is necessary a convention called by three-fourths of all state legislatures.

Explanation:

There are two types of amendments that can be made in the United States Constitution, the informal and formal.

The rules for the Formal method is in Article V, the process is divided in two-stage: proposal and ratification. For a proposal it requires the approval of two-thirds of the two houses of Congress. For a ratification it is necessary a convention called by three-fourths of all state legislatures.

“The Congress, whenever two thirds of both Houses shall deem it necessary, shall propose Amendments to this Constitution, or, on the Application of the Legislatures of two thirds of the several States, shall call a Convention for proposing Amendments, which, in either Case, shall be valid to all Intents and Purposes, as Part of this Constitution, when ratified by the Legislatures of three fourths of the several States, or by Conventions in three fourths thereof, as the one or the other Mode of Ratification may be proposed by the Congress […].”(Article V).

Which is an example of the principal of limited government

Answers

Answer:

B

Explanation:

What is the current residency requirement for aliens to obtain citizenship? Generally speaking, what are the rest of the steps to citizenship for immigrants?

Answers

Answer

Hi,

The current residency requirement for aliens to obtain citizenship is to apply for citizenship after five years of residence. This depends on a number of factors too. If a person is married to a U.S citizen and living in the States for three years that person can qualify to apply for naturalization right away. If a person is an asylee, he or she waits for four years after permanent residence was approved before application. For refugees, they wait for five years since the date they entered the U.S.

The steps to citizenship for immigrants are;

• Finding if you are eligible to apply. Here one needs to obtain a green card. Other requirements at this stage are good moral characters, passing the English test and having knowledge of history and government of the U.S

• Step two is to overcome challenges in the eligibility process. In case you failed in step one, contact an immigration attorney that can conduct a full analysis and change your status of eligibility.

• Filing the USCIS Form N-400- This is a paper work procedure with the immigration services authority. The filing of the form costs $640 when applying for naturalization with additional charges for biometrics.

• Attending biometric s Appointment-This is vital because finger prints will be obtained .This step is important to obtain clearance from FBI database.

• Citizenship Interview-This is conducted at an USCIS office after receiving the appointment date. In the interview, the N-400 form will be reviewed and a test on English knowledge and history of America will be conducted by the officer.

• Oath Ceremony-After approval from the USCIS officer a person is summoned to attend a public ceremony with other individuals to take the oath. A certificate of naturalization is offered at this step that shows the person is a citizen of the United States of America.

Good Luck!

Describe the stylistic influence of the church seen above.

Answers

The church is a combination of basilica-style building and a united dome building.

Answer:

Answers will vary. The church is a combination of basilica-style building and a united dome building.

Explanation:

Why do rising input costs shift the supply curve to the left ?

Answers

Answer:

Explanation:

Left in this case means less. If what you need costs more, people are going to be forced to buy less.

If the demand decreases, manufactures will be forced to produce less. The supply curve will shift left.

If the cost of production increases, companies will not be willing to produce as many widgits as they did before. The curve shifts left.

Final answer:

Rising input costs increase the cost of production, which makes it less profitable for suppliers to manufacture and sell goods. This leads to a decrease in production, and as a result, the supply curve shifts to the left, indicating a decrease in the total quantity supplied at all price levels.

Explanation:

In economics, the supply curve represents the quantity of a good that producers are willing and able to sell at various price levels. Any factor that increases the cost of production, including rising input costs, makes it less profitable for suppliers to produce and sell. This results in decreased production and a corresponding shift of the supply curve to the left, depicting a decrease in the total quantity supplied at all price levels.

For example, consider a factory that makes widgets. If the wages they pay to workers, the price of raw materials they purchase, or the rent they pay for their facility (all of these being input costs) go up, the cost of making each widget also goes up. To cover higher expenses, the factory will produce and sell fewer widgets or increase the price, which eventually results in a leftward shift of the supply curve.

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How did school segregation in the United States cause African American students to feel?

Answers

They felt really unrespected and uncomfortable and they were always sad

Answer:

Segregation in American schools generated a situation of inequality between the education provided to whites and African Americans, which had two main consequences:

-The quality of education of African Americans was lower than that of whites, which resulted in a lower labor capacity and therefore fewer future opportunities for this group compared to whites.

-Above all, the awareness of African Americans of being segregated and the anger it generated led to the formation of different protest groups in the face of this situation, which led to the development of the Civil Rights Movement.

Why is the study of government important

Answers

Answer:To develop the ability to solve problems and make good decisions when current events and economic and social issues affect you directly. To apply your understanding when voting, petitioning, and speaking publicly.

Answer:

Explanation:

It's a pretty good idea to know what a government can and cannot do. They rule. They set the conditions which determine how we live certain aspects of our lives.

Sometimes it is quite simple things -- like speed limits. They can set the fines for exceeding those speed limits (not so simple).

Sometimes the laws are quite complex, like DUIs or what the Supreme Court will hear and what it won't hear. Abortions as in ROE v WADE are not simple and governments have set regulations governing these sorts of laws.

The whole area of Civil law is something to take very seriously. What constitutes Fraud for example.

How did the treaty of Versailles affect Germany?

A. It added territory to Germany.
B. It punished Germany with big fines.
C. It gave France control of Germany.
D. It led to prosperity in Germany.

Answers

Answer:

b they were forced to pay major reparations

Explanation:

Answer:c

Explanation:

Monk's Mound, the largest structure at Cahokia Mounds was built entirely out of
A. earth.
B. adobe.
C. stone blocks.
D. mudbricks.

Answers

Answer:

the answer is A.  earth

Explanation:

The answer is earth

What factors can cause a shift in demand? Give one example of each of these factors at work
for goods and services you have consumed.

Answers

Answer:

There are many factors that can cause a shift in  demand. Some of them are given below.

1. Change in Population: When the population increase or decrease in an area that cause the shift in demand. Like as when summer comes in my area the population increase.As a result the demand of ice cream increases.

2. Change of taste: Like as when i find the special edition of a service the demand goes up.

3. Income of consumer: When i income more money i go to pub more. But during low income period i control about this.

Explanation:

New York was originally part of what colony?

A: Massachusetts
B: Pennsylvania
C: New Netherland
D: Canada

Answers

Answer:

c. New Netherland

Explanation:

Answer:the original conlony of new York belonged to New Netherland

Explanation: Although it orginally was New Netherland later it went to the English and was named New York after the Duke of York


“Korea is the Greece of the Far East. If we are tough enough now, if we standup to them like we did in Greece three years ago, they won’t take any next steps.”

Read the quote and then answer the question below.

In this passage, President Harry Truman argues for a “police action” to carry out the United States’ ________________ policy.
a.
restriction
c.
containment
b.
foreign aid
d.
reparations


Please select the best answer from the choices provided

A
B
C
D

Answers

D.

hope it helps

goodluck and have fun

What is one specific example of how economic freedom allows the US marketplace to adjust quickly to economic changes

Answers

Answer:

businesses can provide a variety of goods and services

Explanation:

consumers mandate supply and demand, and businesses produce products and services accordingly

USATESTPREP
1. __________ are actions and attitudes that are expected of people living in a democratic society.

A)Civic responsibilities

B)Civil disobedience

C)Civil liberties

D)Civil rights


2. Disobeying laws can be a "civic responsibility" when those laws are ___.

A)difficult

B)disliked

C)inconvenient

D)unjust


3. It is MOST important to stay informed about politics and current events so that you can make informed decisions __________.

A) at election time

B)when watching t.v.

C)in class discussions

D)when thinking about things

Answers

Answer:A)Civic responsibilities, disliked, A) at election time

Explanation: A. civic responsibilites  

1. __________ are actions and attitudes that are expected of people living in a democratic society.  

2. Disobeying laws can be a "civic responsibility" when those laws are  D)unjust  '

3. It is MOST important to stay informed about politics and current events so that you can make informed decisions A) at election time

1. A) Civic responsibilities are actions and attitudes that are expected of people living in a democratic society.

This is true. Some examples of civic responsibilities are participating in government, voting, volunteering, advocating for social causes, adopting and promoting values that benefit society, and acting in an ethical manner.

2. Disobeying laws can be a "civic responsibility" when those laws are D) unjust.

When a law is harmful to a group of society or society as a whole, does not favor social equality, takes away people's basic rights, causes chaos or does not contribute to the general welfare of a society, people have the civic responsibility of disobeying such law due to its anti-democratic and unjust nature.

3. It is MOST important to stay informed about politics and current events so that you can make informed decisions A) at election time

At election time, the citizens of a nation have the opportunity to choose WHO will make the policies that will shape a nation's economy, politics, and society. From all options, then, A is the most important.

during the state of the union adress, the president is required to report to​

Answers

Answer:

House Of Representatives

Explanation:

Answer:

Explanation:

The address fulfills the requirement in Article II, Section 3 of the U.S. Constitution for the President to periodically "give to the Congress Information of the State of the Union, and recommend to their Consideration such measures as he shall judge necessary and expedient." During most of the country's first century,

How did forced assimilation affect Aboriginal children?

A.

It encouraged the children to learn their own language.
B.

It caused the children to be taken from their families.
C.

It forced the children to leave Australia.
D.

It guaranteed the children equal rights with foreign settlers.

Answers

Answer:

B. It caused the children to be taken from their families

Explanation:

Australia was very cruel when it came to their position about the Aborigines. Systematically, the Australians tried to perform a genocide over the native population, using numerous methods to achieve that goal. One of the cruelest methods was that the children were taken away from their mothers and fathers, and they were given to white families. The plan was to Westernize the Aboriginal children in this, as they were going to be raised in white families, educated in white schools, and adopt the Western culture, while in meantime neglecting their ow culture as they have not came in touch with it at all.  

Indigenous people suffered greatly from protection and assimilation measures such as legislation that separated them into distinct living zones, curfews in towns, alcohol prohibitions, lack of social security, lower wages, and state guardianship of all Aboriginal children.

What was forced assimilation affect Aboriginal children ?

At a national conference on Aboriginal issues convened by the Commonwealth Government in 1937, it was decided that Aboriginal persons who were "not of full blood" should be incorporated into the general community. Assimilation's goal was to gradually eliminate the "Aboriginal problem," causing Aboriginal people to lose their identity in the larger population.

The harsh effects of protection and assimilation policies on Indigenous people included town curfews, alcohol prohibitions, no social security, lower wages, and State guardianship of all Aboriginal people.Children and regulations that separated Indigenous people into distinct living spaces, primarily on exclusive reservations outside of towns or in isolated locations.

Increased forceful removal of Indigenous children from their families and placement in white institutions or foster homes was another significant aspect of the assimilation agenda.

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How did the first people who lived in Africa get food

Answers

Hello There!

The first people of Africa hunted and gathered to obtain food.

How did progressive and conservative Republicans feel about labor unions in the early 1900s?

Answers

Progressives advocated for labor unions, but conservatives wanted to limit their power.

I apologize if this is not what you meant.

Answer:

Progressives advocated for labor unions, but conservatives wanted to limit their power.In the early 1900s, conservative Republicans were mostly wealthy businessmen who did not like labor unions because they hurt business and profits. Progressive Republicans wanted the government to be more active in making life better for the people, so they supported and advocated for labor unions.

How did the founding fathers strengthen the central union of the United States

Answers

Answer:

by creating the Constitution

The founding fathers build up the central union by creating the Constitution.

Explanation:

By forming the Constitution for the country, the Founding Fathers build up the central union of the United States. Even the Articles of Confederation was adopted in November 15 1777, but it did not put into practice before March 15 1781. After Articles being adopted and Constitution being made, each states of US conducted their own state operations and had their own jurisdiction but what held them together was the principles of Constitution that make them as one nation.

Which event dam is the economies of the coastal kingdoms?
A.) Europe outlawed the slave trade
B.) Almoravids' conquest damaged trade C.) songhai gained salt mines in the Sahara
D.) Ghana took control of the arab trade routes ​

Answers

The event that damaged the economies of the coastal kingdoms of Africa is the outlawing of slave trading in Europe.

Option A is the correct answer.

What were the coastal kingdoms?

The coastal kingdoms were the ruling platforms that had influence over the trading routes of Africa before colonization.

In Africa, the coastal kingdoms were well-equipped as they were involved in the trading of slaves in the European countries which helped them in earning numerous amounts. This arose the conflicts and tensions between the European countries and coastal kingdoms.

Therefore, the outlawing of slave trading led to the collapse of the coastal kingdoms and marked the start of European colonization.

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Final answer:

The Kingdom of Dahomey controlled the slave trade by confining Europeans to the port at Whydah and enforcing that trade be conducted solely with the king.

Explanation:

The kingdom of Dahomey exerted control over the slave trade in their region through a combination of restrictive trade policies and monopoly practices. In particular, they managed this by keeping Europeans confined to the port at Whydah and making European merchants trade with only the king and no others. These measures allowed Dahomey to maintain a dominant position in the regional trade, particularly during the colonial era, when the slave trade was a significant part of their economy and attracted trade ships from various European countries.

why do you think some people are concerned that the presidency has become too powerful?

Answers

Answer:

the president Donald trump is building a wall that separates us with mexico and U.S. us many resources from mexico

Explanation:

PLZ PLZ HELP ME I WILL GIVE YOU 15 POINTS!!!!!!!!!!!!1

Answers

Answer:

I think it's A...

PLZZZZZZZZZZZ HELP 20 POINT SOCIAL STUDIES

Answers

Answer:

I think its A but im not 100% sure

Explanation:

I think the answer is A

According to labeling theory, what is most important about an act of deviance? (APEX)

Answers

Answer : How people react to what was done

Final answer:

Labeling theory suggests that the societal reaction to an act of deviance, rather than the act itself, is most crucial. It significantly impacts an individual's self-image and subsequent actions. This theory also posits that deviance is a relative and socially constructed concept.

Explanation:

According to labeling theory, an act of deviance is most important not for the act itself, but rather for the reactions of others and the impact of these reactions on an individual's self-identity. This theory, developed largely by sociologist Edwin Lemert, identifies two types of deviance: primary and secondary. Primary deviance refers to a violation of norms that doesn't notably impact how one views oneself or how others view them, such as receiving a speeding ticket.

Labeling theory is particularly concerned with secondary deviance, These are the violations that result from an individual's self-concept and behavior being influenced by the societal labeling or stigmatization that arises from the primary deviance. What this theory essentially argues is that deviance is a socially constructed phenomena—it's not so much about the behavior, but how society labels and reacts to it. Over time, the person with the label (for instance, 'criminal') might internalize it and start acting according to that label. Deviance, in this respect, is a relative concept and varies significantly across cultures and circumstances.

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What is manifest destiny and what were the positives and negatives?

Answers

The manifest was the mindset of the American people where in the 19th century. They believed in the expansion of American territory from coast to coast and that time, to the West.

Pros

-Territorial expansion.

- Made more land for farming and improvement

- Was good for trade and industry

- Doubled the land area of the U.S

Cons

- War and conflict

- Slavery come about

- Many deaths and suffering from many people

- It was unconstitutional

Hope this helps man

Which amendment granted women the right to vote? African-American History: Select the correct answer from the choices provided. A. 13th B. 14th C. 18th D. 19th

Answers

It was the 19th amendment

The 19th gave women the right to vote

Which European country had a Monarch who had to share powers with parliament?

Answers

Answer:The country is divided into regions and each one has a Member of Parliament

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