Based on the freezing point depression data for the two substances, what conclusion is MOST accurate?
A) NaCl has a lower boiling point.
B) NaCl has a higher vapor pressure.
C) NaCl must be a covalent compound.
D) NaCl produces more particles in solution.

Answers

Answer 1
I think I could have been more helpful if you had mentioned what the other substance in the problem was. But, I did some research and hopefully it can help you figure out the right answer anyway.  


Lets compare: NaCl in water vs. [tex] CaCl_{2} [/tex] in water.
 This question is centered trying to see how much you know about colligative properties such as Vapor Pressure, Boiling Point, Freezing Point Depression, and Osmotic pressure(Osmotic pressure isn't mentioned in this problem. So, I am goin to ignore that last property.) 

When you compare Colligative properties of compounds it is all about the concentration of ions in solution:

For example:
NaCl can only break into two ions in solution with water (Na+) and (Cl-). 

[tex] CaCl_{2} [/tex] can break into three ions in solution( 2Cl-) and (Ca2+). Because this compound can break into more ions than NaCl when added to water, it is more effective at Freezing point Depression.
It will have lower freezing point depression and lower vapor pressure, but it will have a HIGHER boiling point.

A)Unable to determine without more info.
B) unable to determine without more info.
C) FALSE- we know this is not true because when you combine a metal(Na) with a non-metal(Cl) you form an IONIC compound, not a covalent compound(two or more non-metals combined).
D) FALSE- I am going to guess that this is false because NaCl can only produce two particles in solution and that is the lowest number of particles that can be produced in solution from a compound. For example, where as, [tex] CaCl_{2} [/tex] Produces three particles when put into solution with water.  (2 Cl- and an Ca) 
Answer 2

The answer is D I took the test and that’s the answer


Related Questions

Explain the significance of Jefferson’s repeal of the whiskey tax.

Answers

Thomas Jefferson did not accept the whiskey tax and the protective tariff that President Hamilton was able to approve in Congress. To Thomas Jefferson, the United States should be a nation centered agriculture with little dependence on large financial institutions such as banks, he believed that no debt should be raised against United States citizens lasting for 19 years so that the next generation would be benefited and could start fresh.

ANSWER: Thomas Jefferson wanted to abolish all the internal taxes and aimed at running the government only by the trade tariff tax. His main four aims were:

1. Reduction of Government expenditure

2. A Balanced Budget

3. Reducing the national debt

4. Alleviating tax burden

This is why Jefferson abolished all the internal taxes including the Whiskey Tax


HELP!!!
effective verbal message formation is about being.
1) Supportive of others
2) Critical of the motives of others
3) informed about a decision process
4) intentional in one's learning.

I think the answer is 2 but i'm not sure.

Answers

I think the answer is 3, because for example if you got a verbal warning, their telling you about your bad decision. I hope this helps. :3

Answer:

4) intentional in one's learning.

Explanation:

The verbal message can be understood as any form of communication that uses words. Also known as verbal language, this expression is present in our daily lives. The verbal message presents clarity and specific resources to promote the communication of an idea that must be understood and learned. For this reason, we can say that effective verbal message formation is about being intentional in one's learning.

Generally speaking, the verbal message is any communication that involves information exchange between sender and receiver. This is undoubtedly the most common language in our daily lives.

why is it neccessary to correct the readings of the respirometers containing seeds with the readings taken from the respirometers containg only glass beads? your answer should refer to the concepts derived from the general gas law.

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Do you have a paper or file

how did trade outes ad warfare affect civilizations between 500 and 1500 ce

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Civilizations wanted to settle and build cities and/or outposts along trading routes for so it would be easy to acquire what they didn't have, and sell what they did, and gain economic prosperity. These became the most desirable and wealthy spots, and thus were fought over in wars.

Why do paintings in the Islamic culture show only beautiful plants and flowers?

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Islamic art is more of a visual art. Some pieces have to do with their religion while others do not. Arabesque is what you are referring too. Plant and vegetation art. The don't typically paint humans because that can be a form of idolatry, a sin, so not many pieces have people or even animals in them. Most art from Islamic Culture is some sort of design.

What were the three main eras of immigration in the United States?

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1st was the colonies, English, Germans, and Africans.

2nd was the Western to Eastern which were the first Germans and Scandanavians and Souther Europeans.

3rd was the Hispanics and Asians.

The leaves of plants have layers that perform different functions. The _____ layer contains the chlorophyll, which carries out most of the photosynthesis in the leaf.

Answers

The leaves of plants have layers that perform different functions. The palisade layer contains the chlorophyll, which carries out most of the photosynthesis in the leaf.

if our world changed right now and reverted back to a hunter gatherer society, what aspects of culture do you seriously think would survive?

Answers

I think that people would still expect to have a high standard of living since they would be accustomed to this in most countries and so they would expect to have adequate shelter, food and clothing and transportation so that life would be bearable. 

Provide an example of a question that could NOT be answered with a single binary message. Explain why this is the case, making reference to the definition of a binary message.


Answers

Binary (or "base-2") a numeric system that only utilizes two digits — 0 and 1. Computers operate in binary, betokening they store data and perform calculations utilizing only zeros and ones.
While a single binary digit can be acclimated to represent True (1) or Erroneous (0) in boolean logic, multiple binary digits can be habituated to store sizably voluminous numbers and perform involute functions. In fact, any number can be represented in binary.

Which study strategy is likely to be most effective?

A. Mass rehearsal training
B. Negative transfer
C. Cramming
D. Distributed practice

Answers

The answer is distributed practice!

Distributed practice is the study strategy is likely to be most effective. Hence, option D is correct.

What is Distributed practice?

Distributed practice is a type of learning approach that breaks up practice over a long period of time into manageable gaps between sessions.

A five-minute tennis forehand practice session with a 30-second break after every three shots is an illustration of scattered practice. As an alternative, you may coach a 30-minute session that is split into a practice period of five minutes and a rest period of five minutes.

A student who uses scattered practice spreads out their study time for a certain subject over a number of relatively brief study sessions. This is similar to massed practice, sometimes known as "cramming," in which a student participates in irregular but intense study sessions for a particular subject.

Thus, option D is correct.

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the people they had were very enriched the people in the religion helped a lot in spreading the word the way most religions spread is by people preaching their beliefs and their stories

Explain the significance of Jefferson’s repeal of the whiskey tax.

Answers

Jefferson assumed the excise tax bred bureaucrats and it also grabbed a toll on his fellow framers. His individual hatred for the tax and encouragement of Congress permitted for the repeal but it took a problem on the previously down federal revenue.
Jefferson repealed the whiskey tax upon presidency because he saw that the taxes were already unnecessary once all the tax offices were closed because the bureaucracy would be lessened. Even without internal taxes such as this, he was still able to have a surplus during his presidency. 


What is the relationship between the internal energy of a substance and its state of matter?

Answers

Bodies have an energy in their interior that is equal to the internal kinetic energy. The internal energy is an extensive quantity that relates to the amount of matter in a given system of particles because it comprises all other forms of energy contained in the atoms of a given substance.

Answer:

the answer is D) As the internal energy increases a substance would go from solid to a liquid.

Explanation:

The answer choices for this question are:

A) As a gas loses internal energy it becomes a plasma.

B) Closer packed atoms generally have more internal energy.

C) As the internal energy decreases a substance will spread further apart.

D) As the internal energy increases a substance would go from solid to a liquid.

hope this helps :)

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Answers

2(3x + 1) = 6x + 2

6x + 2 = 6x + 14

6x (-6x) = 14 (-2)

0 = 12

false

cannot be solved

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Answers

More than 40 percent

The percentage of U.S. undergraduates that attend a community college is more than 40%.

Who are undergraduates?

Undergraduates are those people who are doing their graduation or have done their graduation. Graduation is the study done after school. This is of generally three years, but it can be varying from country to country and state to state.

Community colleges are colleges that run under government money. They are cheaper and sometimes free for students. They are most helping colleges for the students who don't have money to study.

In the United States, there are many community colleges which are providing education to students at cheaper rates. They can be of little fewer facilities than private colleges.

Therefore, more than 40% of U.S. undergraduates attend a community college.

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According to the government, employees have a right to understand the risks associated with the materials they work with.
a.True
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Answers

The answer is A, True.

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B. economic
C. prosperity political revolution
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Its a strain on an infrastructure D
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explain the relationship of the fovea to cones in the retina

Answers

Rods and cones convert light to neural signals which the nervous system can use. ... The 100 million rods are locates in the retina away from the fovea, so they carry out peripheral vision ("side" vision towards the edge of the visual field). Figure 6 shows the distribution of rods and cones on the retina.

The fovea is a small, central, highly specialized region within the retina of the eye. It plays a crucial role in visual acuity, which is the sharpness and clarity of vision.

How to explain

The fovea is tightly packed with a high concentration of cone cells, which are one of the two main types of photoreceptor cells in the retina. Cones are responsible for color vision and detailed, daylight vision.

The relationship between the fovea and cones is that the fovea contains a disproportionately high density of cone cells, particularly in comparison to the peripheral regions of the retina.

This concentration of cones in the fovea allows for extremely detailed and color-rich vision, making it the central area for activities that require fine visual discrimination, such as reading or recognizing faces. As a result, the fovea and its high concentration of cones are vital for high-resolution visual tasks.

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Why have historians disagreed about the reason why our Founding Fathers wrote the Constitution?

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To some of the scholars the creation of the federal system was an effort to preserve the ideals of the Revolution by eliminating the contention and disorder that threatened the new nation; it was an effort to create a strong national government capable of exercising real authority. The Constitution was an effort to protect the economic interests of existing elites, even at the cost of betraying the principles of the Revolution, to others. And to still others, the Constitution was designed to protect individual freedom and to limit the power of the federal government.

Which age group is most likely to understand instructions?

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Highschoolers understand, but younger kids are more likely to actually do it.

How many meters do you cover in a 10-k race

Answers

There are 1000 meters in 1 kilometer, and so you cover 10,000 meters in a 10k race

hope this helps
10,000 meters I think

Which type of statement is used to communicate one’s feelings in a nonconfrontational manner?

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"I am" statements are used to communicate one's feelings in a non confrontational manner. 

Which is the correct order of ecological levels from basic to complex

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https://en.wikipedia.org/wiki/Biological_organisation hope that helps! :)
Individual
Population
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Ecosystem
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Examine the connections between the values of the Enlightenment and the Great Awakening and the emergence of republican ideals in the American colonies during the middle of the 18th century.
This is for a DBQ and I'm having trouble writing a thesis for this question.

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How long do you want the thesis to be

Marisol is planning a ski trip for the spring break. Define absolutely threshold and difference threshold and explain how each one might play a role in her perception of the winter weather she will experience

Answers

Absolute Thresholds makes reference to the "intensity of the temperature that would be required to detect the environment 50% of the time" Whereas, Difference Threshold is related to " the amount of change that there would need to be in the temperature" for her to notice the difference. Her sensation and perception would affect her understanding on her environment by allowing her to interpret the stimuli to detect temperature, distance, etc. 

Marisol's ski trip for spring break involves her perception of the winter weather she will experience. Two psychological concepts that play a role in her perception are:

Absolute Threshold: This is the minimum level of a stimulus (e.g., temperature) that Marisol can detect. It influences her ability to sense the cold and decide when she needs to add layers of clothing.

Difference Threshold: Also known as the just noticeable difference, this is the smallest detectable difference between two levels of a stimulus. For Marisol, it can relate to her ability to perceive subtle changes in weather conditions, such as shifts in temperature or wind speed, which can guide her decisions on clothing and gear adjustments.

Understanding these thresholds helps Marisol better prepare for her ski trip and adjust to the winter weather to stay comfortable and safe.

What would a Muslim think of the Christian debate about the papal versus imperial power?

Answers

They would only be able to address the imperial power portion of the debate because Muslims do not have a pope, or a highest ranking official. They would side with imperial power.

Agricultural density measures
a. the number of bushels of grain produced per square kilometer.
b. the number of farmers per square kilometer
c. the number of people per square kilometer of farmland
d.the number of food stores per square kilometer
e. the number of farms per square kilometer

Answers

Agricultural density measures b. the number of farmers per square kilometer.

What Agricultural density measures

Agricultural density refers to the number of farmers or farms present per unit area of farmland. It helps gauge the intensity and distribution of agricultural activity within a certain region.

Agricultural density gives us an idea of how intensively land is being utilized for agricultural purposes. Higher density suggests more intensive cultivation, while lower density indicates less reliance on agriculture within a region.

It sheds light on the distribution of human resources within the agricultural sector. Higher density implies more reliance on family farms or smaller-scale operations.

Final answer:

Agricultural density measures the number of farmers per square kilometer and can provide insights into factors such as land productivity and food production.

Explanation:

Agricultural density measures the number of farmers per square kilometer. It is a measure of the concentration of farmers in a given area. Agricultural density can be calculated by dividing the total number of farmers by the total land area in square kilometers.

For example, if there are 100 farmers in an area of 10 square kilometers, the agricultural density would be 10 farmers per square kilometer.

This measure is useful for understanding the distribution of farmers and agricultural activity in a region, and it can provide insights into factors such as land productivity, agricultural practices, and food production.

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Answers

100,000 cm is = to 1 kilometer

On Earth's surface, 1 centimeter on the map represents 100,000 centimeters, or 1 kilometer.

If you measure 1 centimeter on the map, it means you're representing a distance of 1 kilometer on the actual Earth's surface. Imagine if you have a tiny model of Earth and you measure 1 centimeter on it, it's like saying that distance on the model represents 1 kilometer in real life.

So, the scale of 1:100,000 means that everything on the map is shrunk down by a factor of 100,000 compared to the actual size on Earth.

When england gained control of New York from the Dutch, what happened to African-Americans?

Answers

Buying and selling of Africans for work in Americas (300,000 Africans were transported to the Americans between 1500-1600 and by its end in 1870- 9.5 million) New France: Louisiana, Montreal, Quebec New Netherlands: New York Colonies: Jamestown, DE, MA, NJ, Virginia, Carolinas British wanted more control 7yrs War: British kick out Dutch, then battle and conquer French, gaining control of the entire continent Growing population needs more land and resources

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why was islam appealing/ attractive to others

Answers

 Why was islam appealing/ attractive to others

Answer: I think that some of the most attractive features of Islam are the rhythms and certainties embedded within it. 
Why was islam appealing/ attractive to others. in many ways i would look up traditions an the way they are.
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