You are performing an experiment in a lab to attempt a new method of producing pure elements from compounds. The only problem is that you do not know what element will form. By your previous calculations you know that you will have 6. 3 moles of product. When it is complete, you weigh it and determine you have 604. 4 grams. What element have you produced?.

Answers

Answer 1

Answer:

molybdenum (Mo)

Explanation:

For this question you need to understand what the concept of molar mass is.

Molar mass is the exact mass by which you will obtain a mol of that specific element. For example the molar mass of H2O is 18g/mol, so it means that in 18 grams of water, you exactly have 6.022x10²³ molecules of water or one mole.

So here you know the number of moles you produce and its conversion to grams. The problem is basically stating that in 604.4 grams of x element you have 6.3 moles of that element.

All you have to do is divide the number of grams by the number of moles:

604.4grams/6.3 moles=95.94 g/moles,

You obtained the molar mass of that X element, and in fact the molar mass corresponds the molecular mass of all elements, that is an information provided by the periodic table. So all you have to do is look for the element with a molecular mass of 95.94 uma or a very close approximate.

Molybdenum has a molecular mass of 95.95. So that's the answer.


Related Questions

the table shows the age in years of employees in a company

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Answer:The class with the highest frequency represents the modal class for

Explanation:

   

Select all that apply. Check the context clues formedley from the passage by sherwood anderson. Fiddlers tuned room above the store broken sounds shining red faces band played loud blare murmur of voices.

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Answer:

1. fiddlers tuned

2. broken sounds

3. band played

4. loud blare

5. murmur of voices

Explanation:

What difficulty did russia face in industrializing its economy?.

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Answer:

political instability

Explanation:

Russia faced political instability during industrialization and financial problems too

Answer:

pressure from outside markets and typical international economic fluctuations.

Explanation:

A set of ordered pairs in which each input has exactly one output is called a.

Answers

Answer:

The set of input values is called the domain.

According to the big five personality trait theory brainly.

Answers

Answer:

The big five theory traits the theory describes are openness, consciousness, extroversion, Agreeableness and Neuroticism

Which of the following is an example of a job surplus.

Answers

Answer:

The demand for roofers is higher than the number off people willing to do roofing

An example of a job surplus is the demand for roofers is higher than the number of people willing to do roofing. Option A

How to determine the example

A job surplus refers to a situation in the job market where there are more available workers or job seekers than there are job openings or positions available. In other words, it's a condition where the supply of labor exceeds the demand for it in a particular field or industry.

'The demand for roofers is higher than the number of people willing to do roofing', illustrates a scenario of job surplus. This means that there are more roofing job opportunities available than there are individuals who are willing to take up the job of being a roofer.

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The complete question:

Which of the following is an example of a job surplus? (1 point)

The demand for roofers is higher than the number of people willing to do roofing.**

Roofers demand more pay for the work they are doing.

The number of roofers is higher than the roofing jobs available.

There are more roofing materials being manufactured than there are houses that need them.

Although they have changed the face of farming in the usa crops are still regarded with deep.

Answers

Countries are often involve in farming. Although they have changed the face of farming in the USA, genetically modified crops are still regarded with deep skepticism in the UK where the emphasis remains on "natural" products.

A phrase is simply known as a combination of two or more words that functions together but they do not form a clause.

An example, “genetically modified” is a phrase. Note that a phrase is never a full sentence when its own and it can only be complete when it is used in a sentence along with other words.

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Fill in the blank(s).

Use a phrase and a noun.

Although they have changed the face of farming in the USA, [blank] crops are still regarded with deep [blank] in the UK where the emphasis remains on "natural" products.

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If you have a job that earns $160 in 2 days, how much will you earn in 7 days?.

Answers

Answer:

$560

Explanation:

If you earn $160 in 2 days, which means you earn $80 per day.

In 7 days, you'll earn 7 x $80 = $560

Where can you find an online library catalog weegy.

Answers

People finds information from online library catalog. Where can you find an online library catalog is Any of the library's computers, and often the library's homepage.

An online library catalog is known to be an electronic bibliographic database that shows or talks about the books, videotapes, etc. that is often seen and carried by a specific library.

It is known to have originated from a printed source and the library card catalog. It is known to have drawers that has the records of particular items in the library.

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Where can you find an online library catalog?

A. It depends on whether the library uses the Dewey Decimal System or the Library of Congress System

B. In the same physical location with the card catalog

C. Any of the library's computers, and often the library's homepage

D. Behind the reference librarian's desk

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A rectangular plot of land is 0. 4 kilometer long and 0. 07 kilometer wide. What is its area in square kilometers?.

Answers

We are given –

Length of rectangular is = 0.4 kmBreadth of rectangular = 0.07 km

We are asked to find out the are in square kilometers. As we know –

Area of rectangular plot = Length × Breadth

Area of rectangular plot = 0.4 km × 0.07km

Area of rectangular plot = 0.028 square km

Henceforth, are of rectangular plot is 0.028 square km.

________________________________

The bureau of labor statistics has found that the base-year expenditures of the typical consumer break down as follows:.

Answers

Answer:

2. mention any five virtues that can be regarded as universal virtues. 3. manners are social behaviors that help us build and strengthen relationship

Explanation:

2. Mention any five virtues that can be regarded as universal virtues. 3. Manners are social behaviors that help us build and strengthen relationship

Translate: i am hungry. Yo soy hambre. Yo estoy hambre. Yo tengo hambre. Yo es hambre.

Answers

Happy Holidays!

Yo tengo hambre.

Yo = I

Tengo = have (I form)

Hambre = hunger

Even though this literally translates to "I have hunger", this expression is used to say the equivalent "I am hungry".

The correct translation of "I am hungry" in Spanish is: "Yo tengo hambre."

Thus, option (c) is correct.

"Yo soy hambre" is not the correct translation.

In Spanish, "soy" means "am" and "hambre" means "hungry," but they are not used together in this context to mean "I am hungry."

"Yo estoy hambre" is also not the correct translation.

"Estoy" means "am" and "hambre" means "hungry."

However, in Spanish, the correct way to express hunger is by using the phrase "tener hambre."

"Yo tengo hambre" is the correct translation.

"Tengo" means "I have," and "hambre" means "hunger."

So, "Yo tengo hambre" translates directly to "I have hunger," which is the equivalent of "I am hungry" in English.

The phrase "Yo es hambre" is not grammatically correct in Spanish.

Thus, option (c) is correct.

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Two samples of solids have similar reactivity with acids and similar densities. Their masses and volumes, however, are not at all similar. Is it possible that these are the same substance?.

Answers

The two samples may be the same substance even though they have different masses and volumes.

We must know that properties that identify a substance are called intensive properties. Samples that have similar intensive properties are likely to be the same substance since these properties are characteristic of the substance.

Density is an intensive property. If the two substances have similar densities and similar reactivity with acids, they may be the same substance even though they have different masses and volumes.

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Which equation represents energy being absorbed as a bond is broken.

Answers

There are different ways energy is absorbed. The equation that represents energy being absorbed as a bond is broken is H2 + energy → H + H

Energy is known to be taken in or absorbed so as to break bonds. Bond-breaking is referred to as an endothermic process. In this process, Energy is released when new bonds form. Bond-making is also known to be an exothermic process.

 

Potential energy is simply known to be the type of energy that is linked to an object's potential to do work.

Chemical energy is known to be the type of energy that is said to be released from the breakdown of chemical bonds.

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Which equation represents energy being absorbed as a bond is broken?

answer choices

H + H → H2 + energy

H + H + energy → H2

H2 + energy → H + H

H2 → H + H + energy

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Answer:(4) H2 plus Energy —-> H plus H

Explanation:

Yolanda paid for her movie ticket using 28 coins, all nickels and quarters. The ticket cost $4. Which system of linear equations can be used to find the number of nickels, n, and the number of quarters, q, yolanda used? n + q = 28 0. 05n + 0. 25q = 4 n + q = 4 5n + 25q = 28 n + q = 28 5n + 25q = 4 n + q = 4 0. 05n + 0. 25q = 28.

Answers

Answer:

If nickels and quarters add up to 28 coins then it would be

n + q = 28

If nickels are .05 and quarters are .25 and the total is $4 then it would be

.05n + .25q = 4

Explanation:

Which is a perfect square?6 superscript 16 squared6 cubed6 superscript 5.

Answers

Answer:

6^2

Explanation:

Guessing the question should be formatted like this:

Question (number) : Which is a perfect square?

a) 6 ^ 1

b) 6 ^ 2

c) 6 ^ 3

d) 6 ^ 5

A perfect square is something squared. (wow)

6^2 is the perfect square

Which steps are part of the process of citing supporting details? select four options.

Answers

Explanation:

finding repeated words and phrases

determining the central idea

writing a summary of the text

looking for facts and examples

considering all the evidence

including only the minor details

answer

After mitosis and cytokinesis are complete which of the following are true.

Answers

Two new cells are formed at the end of the process of division of the cytoplasm (cytokinesis) or division of the cell nucleus (mitosis).

At the end of mitosis, the cell has two identical nuclei located at opposite cell ends, immediately the cytokinesis process is triggered, that is, the separation of both daughter cells.

In the entire process of cell division and cytokinesis, chromosomes condense, line up on the equatorial plate, and migrate toward the poles simultaneously.

When migration ends, the barriers that separate the new nuclei and the new cells are formed.

Therefore, we can conclude that the reorganization between the generated daughter nuclei produces a fractionation of the cytoplasm and definitively separates the new cells.

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The sequence below represents marisa’s fine at the library for each day that she has an overdue book: $0. 50, $0. 65, $0. 80, $0. 95, $1. 10,. Which equation represents marisa’s library fine as a function of a book that is n days overdue?.

Answers

Answer:

C

Explanation:

Which of the following is maximum in the principal plane.

Answers

The only option that can attain a maximum in the principal plane is; A: Normal stress

The options are missing and they are;

a) Normal stress b) Shear stress c) Shear strain

Now, in beams sections or when dealing with rectangular sections subject to bending stresses and strains, there is what we call a principal plane and this principal plane is defined as the plane at which maximum stress occurs at an angle of 45°.

Now, the principal plane is also defined as the plane at which the normal stress attains maximum and minimum values while the shear stress here is zero.

In conclusion, the only one that can attain a maximum in a principal plane is normal stress.

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Which of the following best describes the sources that contribute to your online identity?.

Answers

People are known to have online identity. The factor that contributes to an online identity is said to be closely linked with users through authentication. This is known to requires registration and logging in.

A lot of websites often use the user's IP address or tracking cookies so as to be able to identify users.

An online identity can be defined as a thing that arise from a social media profile to a shopping cart etc.  it can is often referred to as social identity that is often liked to an online community.

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Lily needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer for 3. 5 hours and charged her $159 for parts. The total was $456. 50. Write and solve an equation which can be used to determine xx, the cost of the labor per hour.

Answers

Answer
x = 59.5
Explanation
Based on the given conditions, formulate:
Rearrange unknown terms to the left side of the equation:
Calculate the sum or difference:
Divide both sides of the equation by the coefficient of variable:
Calculate the product or quotient x = :59.5
Answer x = 59.5

Which student’s story is more interesting? i saw a snake. At first i thought it was an everyday garter snake. But after i looked at it for a little while, i changed my mind and decided that it was probably a poisonous snake because it had a rattle on its tail. That happened one morning when i was walking. I was hiking on a crisp, clear autumn morning when a snake came slithering toward me. "it’s probably just a garter snake," i thought. As the snake slithered nearer, i spotted a rattle at the tip of its tail. I jumped back with a gasp. The snake was poisonous!.

Answers

There are different aspects to a story. The factors that makes this story interesting is that;

The writing style is exciting, and the author uses precise words.The passage includes sensory details, such  as what the narrator saw and heard.The passage makes it easy to decide how the  narrator felt during the event. The event is told in a reasonable sequence.

There are different factors that can makes a story to be very interesting. Note that a  good story is centered around something that the audience do decides if it is interesting or vital.

A great story is known to comprise of the use of storytelling to make important news more interesting and it is known to be more than just to inform but to also adds value to the related topic.

See full question below.

What makes this story interesting? Check all of the boxes that apply.

The writing style is exciting, and the author  uses precise words.

I was hiking on a crisp, clear autumn morning  when a snake came slithering toward me. "It's  probably just a garter Snake," I thought. As  the snake slithered nearer, I spotted a rattle b at the tip of its tail. I jumped back with a gasp. The Snake was poisonous!

The passage includes sensory details, such  as what the narrator saw and heard.  The passage makes it easy to decide how the  narrator felt during the event. The event is told in a reasonable sequence.

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Answer:

I was hiking on a crisp, clear autumn morning  when a snake came slithering toward me. "It's  probably just a garter Snake," I thought. As  the snake slithered nearer, I spotted a rattle b at the tip of its tail. I jumped back with a gasp. The Snake was poisonous!

Explanation: just answered it

How many terms are in the binomial expansion of (3x + 5)9?.

Answers

Answer:

10 terms

Explanation:

For (ax + b)ⁿ, there will be (n + 1) terms;

Easy way to remember this is to think of the basic example (x + 1)¹, which has a binomial to the power 1, and 2 terms;

Similarly, the example of (x + 1)² has the binomial to the power 2 and 3 terms.

Accelerated mammary gland development in intellectually disabled females.

Answers

A mammary gland simply means the gland that's located in the female's breasts and it's responsible for lactation.

Your information is incomplete. Therefore, an overview of the topic will be given. It should be noted that males and females have glandular tissue within their breasts.

In females, the glandular tissues develop after puberty. The mammary glands are responsible to produce milk. It is typically regulated by hormones.

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A hotel manager recorded the percentage of rooms that were occupied each day over a period of 25 days. The data she collected is shown on the graph. The manager recognizes that the data approximates a transformation of the parent sine function,. Which value is closest to the amplitude of the transformed function?.

Answers

Answer:

15

Explanation:

plato users!

Which of these is a possible translation of "montevideo"?.

Answers

Answer:

D ''i see a mountain''

Explanation:

Read the topic sentence from asher's analysis of enrique's journey. To demonstrate enrique's intelligence and resourcefulness, nazario depicts his response to the challenges of interacting with local people in oaxaca. Which sentences from the biography best support asher's analysis? select two options. "having avoided the fate of many other migrants, enrique reaches ixtepec, a southern crossroads in oaxaca, the next state north, 285 miles into mexico. " "two of them are too frightened to go into town. They offer enrique 20 pesos and ask him to buy food. If he will bring it back, they will share it with him. " "about two hundred street gangsters in chiapas share the rolling criminal enterprise. " "he stops at a barbershop. His hair is curly and far too long. It is an easy tip-off. People here tend to have straighter hair. " "'¡órale, jefe!' he says, using a phrase oaxacans favor. 'hey, chief!' he mutes his flat central american accent and speaks softly and singsongy, like an oaxacan. ".

Answers

The sentences from the biography that best support asher's analysis are:

"He stops at a barbershop. His hair is curly and far too long. It is an easy tip-off. People here tend to have straighter hair. " "'¡órale, jefe!' he says, using a phrase Oaxacans favor. 'hey, chief!' he mutes his flat central American accent and speaks softly and singsongy, like an Oaxacan."

The sentences that best support the motion that Enrique responded well to his challenges with the local people in Oaxaca are him stopping at a barbershop to straighten his hair and adjusting his accent to one that will be easily understood by the people.

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Answer:

D , E

Explanation:

According to the lesson which of the following is a type of promotion.

Answers

According to the lesson, that which is a type of promotion is: Meritorious Promotion.

In military service, meritorious promotion is given when the officer has reached the capacity of effectively discharging his duties in the new rank.

Thus, he gets the rank because he deserves it and is capable of meeting its expectations.

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Two glucose solutions of different concentrations are placed next to each other but are separated by a semi permeable membrane. Which of the following will occur?.

Answers

There are different kinds of Chemical reaction. What will occur is that a lot of water molecules will move from x to y decreasing the concentration gradient of sucrose.

The solution above (Image inserted) will tend to move down the concentration gradient.  That is, the water molecules will move done from the area of more water to area of less water.

Osmosis is known to be a chemical situation, where solvent molecules often water move or diffuse via a semipermeable membranes.

This is usually done in regions of low solute concentration to regions of high solute concentration until both sides are equal in concentration of solutes.  The solution is said to be water moving from a hypotonic solution to the hypertonic solution.

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