A scientist performs an experiment in which she adds 10. 0 grams of zinc metal to 25. 0 grams of bromine. The scientist claims that mass will be conserved during the reaction. Which of the following best supports the scientist's claim?

Answers

Answer 1

The statement that best supports the scientists claim is; The mass of the final product will be equal to the total mass of both reactants, 35.0 grams.

What is the best description of the experiment?

The statement that best satisfies the scientist's claim is that "the mass of the the final product will be equal to the total mass of both reactants, 35g".

The law of conservation of mass states that "in a chemical reactions in isolated systems, mass is neither created nor destroyed ".

This means that there is no mass lost or added when chemical reactions are completed

This means that the mass of reactants and products must be the same and as such the combined mass of the reactant should be that of the product obtained.

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Related Questions

What is your favorite subject?

Answers

Answer:

math

Explanation:

Calculus early transcendentals 7th edition solutions

Answers

The Calculus early transcendentals 7th edition text book is known to help build your mathematical confidence and thus assist you in the achievement of your goals in terms of the course.

What is the Calculus: Early Transcendentals edition?

This is known to be a text book that was written by Stewart James. The Early Transcendentals Seventh Edition is one  that helps to conveys some of the utility of calculus to aid student to have a good technical competence.

Note that it gives you a background knowledge on calculus, exponential function, linear functions and thus boast your level of knowledge.

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in a(n) blank program a student must pass an exam at the end of course 3 out of 5 in order to get college credit some colleges require even higher scores or they wit not accept the credit
a:international baccalaureate
b:advanced placement
c:dual credit
d:articulate credit

Answers

Answer:

B= and AP program

Explanation:

This is an idea that declares that the people have the power in creation of government

O Great Compromise
O Due Process
O Popular Sovereignty

Answers

Answer: Popular Sovereignty

Explanation:

Answer:

\(\boxed {\boxed {\sf Popular \ sovereignty}}\)

Explanation:

Let's define each answer choice.

Great Compromise

This was a combination of the New Jersey Plan and Virginia Plan. The NJ plan called for one Congress house with equal representation. The VA Plan vouched for two houses in Congress with representation based on population. The compromise resulted in present-day Congress with equal representation in the Senate and population-proportionate representation in the House of Representatives.

Due Process

Citizens must be treated justly and all of their rights must be observed and followed in legal proceedings.

Popular Sovereignty

The idea that people ("consent of the governed") provide the power for a government.

Based on our definitions above, we can assume that the "idea that declares people have the power in creation of government" is popular sovereignty.

This​ week, 951 people went to the beach. Last​ week, 1,229
people went to the beach. The number of people who went to the beach fell by what​ percent? Use pencil and paper. Explain how you know whether the answer is greater than or less than​ 25%

Answers

Answer:

im pretty sure it’s greater than less than 25% but don’t quote me on that

Explanation:

Answer:  Therefore, the number of people who went to the beach fell by approximately 22.6%.

Since 22.6% is less than 25%, we know that the answer is less than 25%.

Explanation: To find the percentage decrease, we need to first calculate the difference in the number of people who went to the beach between the two weeks:

951 - 1229 = -278

Since the difference is negative, it means that there was a decrease in the number of people who went to the beach.

To find the percentage decrease, we can use the formula:

percentage decrease = (|difference| / original number) x 100%

where |difference| represents the absolute value of the difference.

Plugging in the values we get:

percentage decrease = (|-278| / 1229) x 100%

percentage decrease = (278 / 1229) x 100%

percentage decrease = 22.6%

An HR manager of a chain of daycare centers needs to hire a new regional manager. As part of the recruitment process, he is reviewing his campany's skill bank and the performance appraisals of the managers of serveral local centers. The HR manager's actions suggest he is considering
A hiring internally
B hiring externaly
C outsourcing the position
D resourcing the position

What could be the opinion of employees if their employers hires externally while downsizing?
A this company doesn't care about its employees.
b this company is very competitive in the market
C this company is braking the law
D this company should have hired an employment agency

A (n) consists of the total number of individual who have applied for a certain job

A employee inventory
B PPO
C applicant pool
D value chain

You are an HR consultant. Which of the following would likely be one of your suggestions for measuring the effectiveness and success of a company's recruitment plan?

A judge the general atmosphere in the work environment
B evaluate the HR managers
C determine the ratio of managers to non
D assess the results of various recruitment strategies used

Optimum Tech i looking to hire a manager for its research and development. One of the major requirements for this position is that the person hired is able to fully assume job responsibility day 1 without too much orientation. Which of the following would probably be the best HR decision?
They should seek an external candidate for the position
They should seek an internal candidate for the position
they should conduct a hiring analysis

A company is hiring for several positions, Predict what would happen if they offered potential employees the opportunity to work a flexible schedule.
More qualified employees would apply
more single parents would apply
Less internal candidates would apply
less external candidates would apply

Speedy trand is developing a personnel recruitment plan. The human resource department has forecasted the company's personnel needs, built an impressive pool of internal and external candidates, and developed an application to begin screening those applicants, The first thing they check for is an applicants age, since they dont want people who would be close to retirement. What could likely result from their process?
They could be sued for failing to comply with employment laws
they could be mandated to create an electronic application
they could have trouble identifying applicants with criminal record
they could have to outsource jobs.

Which of the following should a company do before analyzing its competency gaps
Forecast future staffing needs
outsource less critical positions
determine the skills of its current employees
consult an employment law expert

Answers

What types of labor service did Cabeza de Vaca provide for the Indians? What does this reveal about the Indian economy?

What are five things you want to convey about yourself in your personal statement?

Be specific and this is about college.

Answers

Answer:

Here are five things that a typical student might want to convey in their college personal statement:

Passion and motivation: Show the reader why you are passionate about pursuing higher education and what motivates you to succeed in your chosen field of study.Unique background and experiences: Highlight experiences that have shaped your personal and academic journey, and what sets you apart from other applicants.Strong academic track record: Discuss your academic achievements, such as grades, test scores, and relevant coursework, to demonstrate your academic potential and commitment to success.Relevant skills and interests: Discuss any relevant skills, extracurricular activities, and interests that have prepared you for college and have relevance to your intended field of study.Goals and aspirations: Discuss your future goals and aspirations, and how earning a college degree will help you achieve them. Explain how the college you are applying to fits with your plans and how you plan to contribute to the college community.

What’s 3-2? I need the answer

Answers

Answer:

welll if its that way it would have to be -1

Explanation:

Answer:

.......I think it's 21???

With these lines, what did hughes most likely hope his poem would do? check all that apply. illustrate african american equality illustrate african american patriotism maintain african americans' position and status in the united states change african americans' views of themselves and their country encourage african americans to maintain close ties to one another

Answers

Based on the lines from Langston Hughes’s poem "I, Too, Sing America," he most likely hoped his poem would do: option A, B and D.

What is a poem?

A poem simply refers to a literary work that contains either written or spoken words which are carefully chosen and arranged in separate lines, especially based on their diction (sound), rhythm, and meaning.

Based on the lines from Langston Hughes’s poem "I, Too, Sing America," we can infer and logically deduce that he most likely hoped his poem would do the following:

Illustrate African-American equality.Illustrate African-American patriotism.Change African-Americans' views of themselves and their country.

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Question 20 of 20
2 Points
What is ACCUPLACER used for?​

Answers

Determining if you meet the requirements to dual-enroll or take college classes.

Answer:

ACCUPLACER is a series of tests that evaluate students' skills in reading, writing, and math to help college administrators place them in courses that match their skills.

Explanation:

PLEASE HELP BASKETBALL QUESTIONS

PLEASE HELP BASKETBALL QUESTIONS

Answers

Wait I can’t see this picture good???
the first one is chest pass and the second one is a basket

Which of the following is a key factor of an informative address

Answers

A key factor of an informative address is the ability to present the information in a clear, concise, and engaging manner.

The speaker must have a deep understanding of the topic and must be able to organize the information in a logical and coherent manner.
Another key factor of an informative address is the use of visual aids.

These may include graphs, charts, diagrams, and images that help to illustrate the information being presented.

Visual aids can be particularly helpful in conveying complex information or data, and can help to keep the audience engaged and focused on the topic.
In addition, the speaker must be able to adapt the presentation to the needs and interests of the audience.

This may involve tailoring the information to suit the knowledge level of the audience, or emphasizing certain points that are of particular interest or relevance to them.
Finally, a key factor of an informative address is the ability to provide context and relevance to the information being presented.

This means that the speaker must be able to explain why the information is important and how it relates to the audience's lives or experiences.

By doing so, the speaker can help to create a sense of connection between the audience and the topic being presented, which can make the presentation more engaging and memorable.

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An atom that has become charged by gaining or losing electrons is called a(n)-

Answers

Answer:

an ion

Explanation:

- When an atom gains/loses an electron, the atom becomes charged, and is called an ion.

- Gaining an electron results in a negative charge, so the atom is an anion.

- Losing an electron results in a positive charge, so the atom ion is a cation.

Hope this helps!!!!!!!!

I think it’s an ion

A 3. 75-g sample of limestone (caco3) contains 1. 80 g of oxygen and 0. 450 g of carbon. What is the percent o and the percent c in limestone?.

Answers

Taking into account the definition of percent by mass, the percent O and the percent C in limestone are 48% and 12% respectively.

One way to express the composition of the solution is the percent by mass.

The percent by mass (or weight) of a solution is the number of grams of solute in every 100 grams of solution.

The percentage by mass is calculated as the mass of the element or solute divided by the mass of the compound or solute, the result of which is multiplied by 100 to express it as a percentage:

\(percentage by mass=\frac{mass of solute}{mass of compound} x100\)

In this case, you know:

mass of O= 1.80 gmass of C= 0.450 gmass of the sample= 3.75 g

Then, the percent O is:

\(percentage by mass of O=\frac{1.80 g}{3.75 g} x100\)

percentage by mass of O= 48%

And the percent C is:

\(percentage by mass of C=\frac{0.450 g}{3.75 g} x100\)

percentage by mass of C= 12%

Finally, the percent O and the percent C in limestone are 48% and 12% respectively.

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In order to move up on the career ladder, additional education is often required.

Answers

Answer: as well as working smarter not harder, maintaining modesty and accountability, and mastering teamwork skills.

<3

Answer:

If this is the true or false it would be true

Explanation:

Describe how tuples can be useful with loops over lists and dictionaries, and give python code examples. Create your own code examples. Do not copy them from the textbook or any other source.

Answers

Tuples are useful with loops over list because when we loop through 2 list using the zip function it will return a collection of tuples

Tuples are useful with loops over dictionary because when we iterate over a dictionary using items() methods it will returns tuples as key-values pairs.

Tuples are created in python by placing the items inside a parenthesis () separated by a comma.

Tuples accept different data types in python example strings, integers, Boolean, float etc.

Characteristics of a tuple.

Unlike list and dictionaries tuples are immutable or unchangeable finite ordered sequence of items. Tuple has finite ordered sequence of items.

How tuples can be useful with loops over list and dictionaries is as follows:

Iterators are object that contains a countable number of value.

List , tuples and dictionaries are iterable object. This means they can be looped.

Tuples are useful with loops over list because when we loop through two list using the zip function it will return a collection of tuples. For example

name = ["John", "Michael"]

age = [25, 30]

zipped = list(zip(name, age))

for x, y in zipped: #llop over the both lists together

   print(x, y)

Tuples are useful with loops over dictionary because when we iterate over a dictionary using items() methods it will returns tuples as key-values pairs. For example.

state_capital  = {'Carlifornia':'Sacramento','Colorado':'Denver','Georgia':'Atlanta'} #dictinary

for x, y in state_capital.items():  #loop over the dictionary using key, value tuples

   print('The key is ', x, ', the value is ',y)

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Explain key aims of education and training in own specialist area

Answers

Answer:

Training and education in specialist area are used to improve the practices that are used in the educational organization to offer better opportunities to the students in the learning program.

the role of the South African government in providing for its citizens

Answers

Answer:

The role of the South African government in providing for its citizens includes ensuring access to basic services and meeting the basic needs of its citizens. This includes providing access to healthcare, education, clean water and sanitation, housing, and social security.

The government is responsible for providing access to affordable and quality healthcare services, and ensuring that all citizens have access to basic health services. The government is also responsible for providing education to its citizens, including basic education, higher education, and vocational training.

The government is also responsible for ensuring access to clean water and sanitation for its citizens, and providing adequate housing for all. This includes addressing the issue of homelessness and ensuring access to affordable and safe housing.

In addition, the government is responsible for providing social security to its citizens, including support for the elderly, people with disabilities, and those who are unemployed or unable to work. This includes providing social grants and other forms of social assistance to those who are in need.

Overall, the South African government has a responsibility to ensure that all citizens have access to basic services and can meet their basic needs. This requires a commitment to social and economic development, and a focus on improving the standard of living for all citizens

If 2y = x + 40 and 3x = y + 20, what is the
value of x+y? Show all work
A) 28
B) 34
C) 38
D) 44

Answers

Answer: D

Explanation: I guess and it said it was right

Give me a song recommendation
*It doesn't matter what genre*
I like all kinds of music :)

Answers

Answer:

Kill Bill.

Explanation:

How do events on the day of the party affect the conflict between Rosaura and her mother?

Answers

The main conflict in this story is the person vs society. Rosaura is facing the struggles of her place in the world, while she is stuck being poor surrounded by rich friends. Her first struggle is fighting against her mother to let her go to Luiana’s party.

Use the given data to construct a confidence interval for the population proportion p of the requested level.
X=47
N=71
Confidence level 98

Use the given data to construct a confidence interval for the population proportion p of the requested

Answers

The confidence interval for the population proportion p at a 98% confidence level is approximately (0.55297, 0.77097).

How to calculate the value

Given data:

X = 47 (number of successes)

N = 71 (sample size)

Confidence level = 98%

First, we need to calculate the sample proportion:

p = X/N = 47/71 ≈ 0.66197

Now, we can calculate the margin of error (E):

E = Z * √((p1 - p))/n)

= 2.326 * √((0.66197(1 - 0.66197))/71)

≈ 0.109

Finally, we can construct the confidence interval:

CI = p ± E

= 0.66197 ± 0.109

Therefore, the confidence interval for the population proportion p at a 98% confidence level is approximately (0.55297, 0.77097).

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The event in which a heavy metal ball is is thrown from the neck as far as possible

Answers

Answer:

shot put

Explanation:

it is a sport in track

Shot put
noun
An athletic contest, in which a very heavy and dense globular ball gets spun and thrown as far as the contestants ability.

In Islam, who is prophet Muhammad (peace be upon him) ?

Answers

the prophet Muhammad is called Allah

In Islam, Prophet Muhammad (peace be upon him) is considered the last and final prophet sent by God (Allah) to guide humanity. He is revered as the messenger of Allah and is considered the seal of the prophets, meaning that no prophet will come after him.

Prophet Muhammad (pbuh) was born in the city of Mecca, in present-day Saudi Arabia, in the year 570 CE. At the age of 40, he received the first revelation from Allah through the Angel Gabriel, which marked the beginning of his prophethood. The revelations continued over a period of 23 years, and they were later compiled into the holy book of Islam, the Quran.

Prophet Muhammad (pbuh) preached monotheism (the belief in one God) and called people to worship Allah alone and follow His guidance. He taught the importance of faith, prayer, charity, fasting, and pilgrimage, among other teachings and principles that form the foundation of Islam.

Muslims regard Prophet Muhammad (pbuh) as a role model and strive to follow his example in their personal and communal lives. They hold great love, respect, and reverence for him and frequently use the phrase "peace be upon him" (pbuh) as a sign of honor and respect when mentioning his name.

write a short note on Doraemon.​

Answers

Answer:

Doraemon is the name of a robot cat. Doraemon is about the life of Nobita Nobi. Doramon uses a gadget to solve a problem for Nobita, but Nobita misuse it and get a lesson.

Actually it is a Japanese cartoon.it is liked by many kids and enjoy it.me too a fan of Doraemon.if You are new,watch it once.many cartoon, films are made .

write a short note on Doraemon.

Doraemon is a cat robot from the 22nd Century. He has a pocket on his stomach and many gadgets in it like the “bamboo copter”, anywhere door, fast / slow perfume, Gulliver’s tunnel, small light and big light etc. His sister’s name is Doremee. Doraemon lives with his best friend Nobita. Doremee lives in the 22nd Century with Nobita’s grandson in the future world.haha

have a great day

What does the underlined word mean in the following sentence? compramos recuerdos. Recorders shells souvenirs tickets.

Answers

Some of the ways for laying emphasis includes:

Use of boldUse of underliningRepetitionUse of capital letters, etc
What is Emphasis?

This is the use of words or other means in order to draw attention of a person to something.

With this in mind, we can see that underlining can be used to lay emphasis especially in a literary text as this helps to draw the attention of a reader to a specific word or phrase.

Please note that your question is incomplete so I gave you a general overview to help you get a better understanding of the concept.

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Since 60° is of 360° then the length of is the circumference of the circle.

Answers

Since 60° is one-sixth (1/6) of 360°, then the length of the arc subtended by a central angle of 60° is one-sixth (1/6) of the circumference of the circle.

A technician is diagnosing a vehicle for slow wiper operation. When the linkage from the motor is disconnected and the wiper motor is turned on, the motor runs normally. Technician A says the motor has a poor ground connection. Technician B says the linkage is binding. Who is correct?

Answers

Answer:. Technician B is correct.

If the ground connection is faulty, the motor won't run.

Explanation:

(02.09 MC) Your community faces a challenging issue. Five different plans are identified to address the problem. You will serve on a volunteer committee to e recommendation to the city council. Which economic process will best serve your committee in this task? Circular flow diagram O Cost-benefit analysis Rational decision-making model O Marginal cost and revenue analysis ( 02.09 MC ) Your community faces a challenging issue . Five different plans are identified to address the problem . You will serve on a volunteer committee to e recommendation to the city council . Which economic process will best serve your committee in this task ? Circular flow diagram O Cost - benefit analysis Rational decision - making model O Marginal cost and revenue analysis​

Answers

The economic process will best serve your committee in this task's rational decision-making model. Thus the correct answer is C.

What is the rational decision making model?

When the optimal selection of solution is utilized, a rational decision-making model is used. It includes evaluating many possibilities while utilizing reliable information or facts to make decisions.

When teams have the time to explore options and discuss potential outcomes, rational decision-making is used. Its objective is to maximize the advantages and reduce the disadvantages of decisions.

Therefore, option C, being a volunteer, a recommendation of the rational decision-making model will be appropriate.

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Answer:

C. Rational decision - making model

Explanation:

Took the test and got it right!

Have a nice day!

Some forestry professions work for logging companies

True or false

Answers

Answer:

true

Explanation:

Answer:

true

Explanation:

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