when aqueous solutions of sodium hydroxide and iron(iii) nitrate are mixed, a red precipitate forms. what volume of 0.136 m iron(iii) nitrate is required to produce 0.886 g of precipitate?
Answers
The balanced equation for this reaction is: 3 NaOH + Fe(NO₃)₃ → 3 NaNO₃ + Fe(OH)₃
The molar mass of Fe(OH)₃ is 106.87 g/mol, so the number of moles of Fe(OH)₃ in the 0.886 g of precipitate is:0.886 g / 106.87 g/mol = 0.00829 mol
According to the balanced equation, 1 mol of Fe(NO₃)₃ is required to produce 1 mol of Fe(OH)₃, so the number of moles of Fe(NO₃)₃ required is also 0.00829 mol.
The molarity of the Fe(NO₃)₃ solution is 0.136 M, which means that there are 0.136 mol of Fe(NO₃)₃ in 1 L of solution. To find the volume of solution required to provide 0.00829 mol of Fe(NO₃)₃, we can use the equation:M = mol / L
Rearranging the equation to solve for L gives us:L = mol / M
Plugging in the values for mol and M gives us:L = 0.00829 mol / 0.136 M = 0.06096 L
Therefore, the volume of 0.136 M Fe(NO₃)₃ solution required to produce 0.886 g of Fe(OH)₃ precipitate is 0.06096 L, or 60.96 mL.
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Related Questions
9. How much is gaming and video game streaming predicted to grow from 2018-2026?
w
10 percent
27 percent
43 percent
110 percent
Answers
Answer:
43 percent
Explanation:
because there's a chance they will grow if their awesome
Dependency on technology is one of the ________________ impacts of technology on the workplace.
Answers
Dependency heavily on technology is one of the negative impacts of technology on the workplace.
With the new technological advancements, the way of working in the workplace has totally changed. The technological advancements have been embedded into the workplace. People are no longer chained and stick to their desks, but rather they have laptops, tablets or smartphones in their hands.
Although technology has improved the way of working on the workplaces, depending entirely on technology can become a problem and give negative impacts.
For example, if a technical glitch occurs like if a system crashes, it freezes all activities in the workplace and makes the business halt until the problem is resolved. Moreover, when a new technology is brought into the workplace, there is a learning process associated with it, learning a decrease in productivity.
Furthermore, if technology is at the core of the workplace, it can lead to nearly impossible situations for employees to get any work done outside of the workplace.
Besides these, some other negative impacts of dependence on technology also include loss of face to face communication, increase in maintenance and upgradation cost, and increased threats of hacking.
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Which three means of performing calculations existed before the arrival of
the modern computer?
A. Abacus
B. Scientific calculator
C. Pascaline
D. Step reckoner
Answers
Explanation: I got it correct for one of my answers >;) In all honesty, I don't actually know I kind of guessed and got it right soo :p
You're doing research for a paper. when would you use indirect citation?
Answers
The indirect citation is used when it is not possible to directly access the primary author's work. In consequence, the researcher needs to cite a secondary author.
Indirect citation and secondary authorsIndirect citation happens when an author cannot cite the primary source of information.
In consequence, the researcher cites the secondary source of information which is based on the primary source.
Indirect citation is relatively uncommon in current publication practices due to the access of information.
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3. which tab/page allows you to easily track your assignment scores, number of submissions, time spent, as well as the ability view assignment takes and question results
Answers
Answer:
The Grades Page
Explanation:
Whatever platform that you are using for school and class and work or whatever it may be, will always have a grade page.
Which phrase refers to the collection of geospatial data through the use of satellite images/pictures?
Answers
Answer:
The appropriate answer will be "Using remote sensing".
Explanation:
Such basic applications of Earth's remote sensing images usually involve:
Heavily forested fires could be viewed out of space, enabling the wanderers to have a much wider area than those of the field. Trying to track particles to accurately forecast the weather either watch volcanic eruptions, including helping out for outbreaks of dust.So that the above is the correct solution.
what solution puts the stolen vehicles database in 3nf by breaking up this one big table into several tables?
Answers
To convert the stolen vehicles database into 3NF (Third Normal Form), the big table should be broken down into several smaller tables that contain the necessary information.
The process involves the following steps:
1. Identify the columns that contain the same data in multiple records, and create a new table for each of these columns.
2. Make sure that each table contains a primary key that uniquely identifies a record, as well as other attributes which together form a composite key.
3. Define relationships between tables, either one-to-one or one-to-many.
4. Make sure that each table contains only the information that is necessary for it, and that all other data is moved to other tables.
5. Check for anomalies such as insertion, update, and deletion, and take care of them by creating more tables or modifying the existing ones.
By following these steps, the big table can be broken down into several smaller tables and the stolen vehicles database can be converted into 3NF.
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Convert the binary (base-2) number 1110 1001 to decimal (base-10).
Answers
Answer:
233
Explanation:
alright bro, listen. lets do some QUICK MAFFS.
from right to left.. we start from 1, and then double the number. so it would kind of look like this:
128 64 32 16 8 4 2 1
ok so whenever you are converting binary to decimal, make sure you have those numbers underneath the ones and zeroes.
\(1 \ \ \ \ \ 1 \ \ 1 \ \ \ 0 \ \ 1 \ 0 \ 0 \ 1\\128 \ 64 \ 32 \ 16 \ \ 8 \ 4 \ 2 \ 1\)
ok so you see how the ones and zeroes are perfectly above the reference we are using?
so each one that has a one, add the number underneath it together
128 + 64 + 32 + 8 + 1
equals 233
LISTEN. STAY AWESOME GAMER!
A city government is attempting to reduce the digital divide between groups with differing access to computing and the internet. What activities is least likely to be effective in this purpose?
Answers
The city government's least effective activity in reducing the digital divide would be to solely provide computers or internet access without also addressing the underlying issues that prevent certain groups from accessing technology, such as affordability, digital literacy, or language barriers. Simply providing equipment without also addressing these issues will not create long-term solutions and could potentially widen the digital divide further.
Explanation:
The digital divide refers to the gap or disparity between those who have access to digital technologies, such as computers and the internet, and those who do not. In order to bridge this gap and reduce the digital divide, city governments and other organizations often implement various policies and initiatives to increase access and affordability of computing and internet resources. However, implementing policies or initiatives that further increase the cost or affordability barriers for internet access or computing devices would be counterproductive and least likely to be effective in reducing the digital divide.
For example, if a city government were to impose additional taxes or fees on internet service providers, which could lead to increased costs for internet service, it could further hinder access for low-income or marginalized communities who already face affordability challenges. Similarly, if policies or initiatives are implemented that increase the cost of computing devices, such as computers or tablets, it could create additional financial barriers for certain groups, exacerbating the digital divide.
Efforts to reduce the digital divide should focus on increasing access and affordability of computing and internet resources, such as providing subsidies or discounts for internet service, offering affordable or subsidized computing devices, and providing digital literacy programs and training for underserved communities. Implementing policies or initiatives that further increase costs or affordability barriers would likely hinder the goal of reducing the digital divide and may not be effective in addressing the issue.
Therefore, the least likely effective activities are Implementing policies or initiatives that further increase the cost or affordability barriers for internet access or computing devices.
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If you are using a sprite for your MakeCode Arcade game, which code block
would you click on to edit the sprite?
on start
set
mySprite
to
sprite
of kind
Player -
move
mySprite -
with buttons
O A. The move mySprite with buttons block
OB. The on start block
O C. The set mySprite block
O
D. The sprite of kind player block
Answers
Answer:
set mySprite block
Explanation:
BRAINLIEST?
The thing that would happen if the on overlap block at the bottom was not included in the program shown is that A. The player would have difficulty moving the sprites on the screen.
How do you know if a sprite is overlapping?
If a person want to know if a Player sprite overlaps an Enemy sprite, the person can simple place the first sprite type to Player and the second sprite type in other type to Enemy .
The thing that would happen if the on overlap block at the bottom was not included in the program shown is that A. The player would have difficulty moving the sprites on the screen.
Therefore,The thing that would happen if the on overlap block at the bottom was not included in the program shown is that A. The player would have difficulty moving the sprites on the screen.
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Analysis tools that support viewing all or selected parts of data, querying the database, and generating reports include query-by-example as well as a specialized programming language called
Answers
Analysis tools such as query-by-example and a specialised programming language called SQL facilitate examining all or selected data, querying the database, and generating reports.
Data collection and analysis technologies are used to collect, evaluate, and present data for a range of applications and industries. They take unprocessed data and turn it into meaningful knowledge that businesses can use to make better choices. A data analyst may operate in a range of sectors, including operations, marketing, and finance. For instance, their findings might result in lower shipping costs. different viewpoints on consumer behaviour. Among the numerous types of data analysis tools, three categories stand out as particularly essential: Applications for Excel, R, Python, and business intelligence (BI).
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Which of the constraints listed below would be considered a physical constraint
-Materials
-Demand for product
-Timeline
-Cost
Answers
materials are the only physical thing
It is important to reflect on feedback.
A. True
B. False
Answers
Answer:
YES ITS IS!!
Explanation:
Effective feedback assists the learner to reflect on their learning and their learning strategies so they can make adjustments to make better progress in their learning.
______________ can be used as alternative cabling for ethernet.
Answers
There are several alternatives to traditional copper Ethernet cabling. Some of the commonly used alternatives include:
1. Fiber Optic Cables: Fiber optic cables use strands of glass or plastic fibers to transmit data using light signals. They offer higher bandwidth and longer transmission distances compared to copper cables. Fiber optic cables are commonly used for high-speed network connections in data centers, long-distance communication, and high-demand applications.
2. Powerline Ethernet Adapters: Powerline Ethernet adapters utilize existing electrical wiring in buildings to transmit data signals. They allow Ethernet connectivity through electrical outlets, eliminating the need for dedicated network cables. Powerline adapters are convenient in situations where running Ethernet cables is impractical or difficult.
3. Wireless Ethernet (Wi-Fi): Wi-Fi technology provides wireless network connectivity, allowing devices to connect to a network without the need for physical cables. Wi-Fi is widely used for mobile devices, home networks, and wireless access points in various environments.
4. Coaxial Cables: Coaxial cables are commonly associated with television and cable networks, but they can also be used for Ethernet connections. They consist of a central conductor surrounded by insulation, a shield, and an outer covering. Coaxial cables are suitable for short to medium-range Ethernet connections, offering decent performance and interference resistance.
5. Ethernet over Power (EoP): Ethernet over Power technology enables data transmission over existing electrical power lines. It uses adapters that plug into electrical outlets to establish network connections. EoP is particularly useful in situations where running dedicated Ethernet cables is challenging or not feasible.
Please mark this as the answer, Thank You!
Under which accounting method are most income statement accounts translated at the average exchange rate for the period ?
A) current/concurrent method
B) monetary/nonmonetary methode
C)temporal method
D)All of the options
Answers
Under the accounting method where most income statement accounts are translated at the average exchange rate for the period, the correct option is D) All of the options.
The current/concurrent method considers both monetary and nonmonetary balance sheet items and translates income statement accounts at the average exchange rate for the period. This method takes into account the fluctuations in exchange rates throughout the period and provides a more accurate representation of the financial results in the reporting currency.
By using the average exchange rate, the impact of exchange rate fluctuations on income statement accounts is spread out over the period, reducing the impact of currency volatility on reported earnings.
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review the saleitem relation below where itemnumber plus ordernumber is the primary key. what type of primary key does this relation have?
Answers
The relationship "saleitem" has a compound primary key, which is a type of primary key that consists of two or more columns. In this case, the composite primary key consists of an "itemnumber" field and an "ordernumber" column. A composite primary key ensures that each combination of values in the "itemnumber" and "ordernumber" fields is unique in the relationship. This helps enforce data integrity and prevent duplicates or inconsistencies in the database.
A database is an organized collection of data that is stored and accessed electronically. It is designed to support efficient and organized data storage, retrieval, modification and deletion. Databases are used to store and manage large amounts of information for various applications, such as websites, software applications, and business operations. They typically use a structured query language (SQL) to interact with the data, allowing users to easily search, sort, filter, and manipulate data. There are several types of databases, including relational databases, NoSQL databases, graph databases, and more, each with its own unique features and uses.
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how to block admin on school chromebook managed by admin
Answers
Answer:
Wish I knew
Explanation:
Answer:
I wish we could. Sadly, I have no idea how to.
Explanation:
briefly explain the 3 models describing the attacker behaviors in respect to the source ip, the target ip and the time interval
Answers
The three models describing attacker behaviors in respect to the source IP, the target IP, and the time interval are:
1. Random Scanning Model: In this model, attackers randomly choose target IPs, regardless of the source IP or time interval. This behavior is typically observed in automated attacks, such as worms or bots.
2. Local Preference Scanning Model: Here, attackers preferentially target IPs that are close to their source IP address. This behavior often occurs when attackers target specific networks or IP ranges for focused attacks.
3. Temporal Persistence Model: This model considers the time interval between attacks. Attackers who exhibit temporal persistence consistently target the same IPs over a period of time, indicating a sustained and targeted attack campaign.
The three models of attacker behaviors are the Random Scanning Model, where attackers randomly choose target IPs; the Local Preference Scanning Model, where attackers target IPs near their source IP address; and the Temporal Persistence Model, which focuses on the time interval between attacks, with consistent targeting of specific IPs.
Understanding these three models helps cybersecurity professionals identify, predict, and defend against different types of attacks based on the attacker's behavior, source IP, target IP, and time interval between attacks.
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Engineers use the following tools to perform their duties. A: science and math, B: math and English, C: science and English, D: math, science , and English
Answers
Answer:
Science and math
Explanation:
Answer:
D
Explanation:
You need all 3.
what processor instruction set is required in order to utilize virtualization software?
Answers
In order to utilize virtualization software, the processor must support a specific instruction set called "virtualization extensions" or "hardware virtualization support." These extensions enable efficient virtualization by providing hardware-level support for virtual machine (VM) operations.
The two most common virtualization extensions are Intel Virtualization Technology (Intel VT-x) and AMD Virtualization (AMD-V). These extensions are found in modern processors from Intel and AMD, respectively.
Intel VT-x was introduced by Intel in 2005 with their Pentium 4 and Xeon processors. It includes a set of instructions and features that enhance the performance and security of virtualization. Intel VT-x enables the hypervisor (virtualization software) to run directly on the processor, allowing better isolation and control of virtual machines.
Similarly, AMD introduced AMD-V (AMD Virtualization) in 2006 with their Athlon 64 and Opteron processors. AMD-V provides similar hardware support for virtualization, allowing virtual machines to run efficiently and securely.
Virtualization extensions help overcome the performance limitations and security concerns associated with software-based virtualization. They provide features like hardware-assisted memory management, direct I/O access, and privileged instruction execution within virtual machines.
With virtualization extensions, virtualization software, such as hypervisors like VMware, Hyper-V, or VirtualBox, can take advantage of the hardware-level support to improve the performance, stability, and security of virtual machines.
It's important to note that not all processors support virtualization extensions. Older processors or low-end processors may lack these extensions, making virtualization less efficient or not possible. Therefore, before running virtualization software, it is essential to check the processor's specifications and ensure that it supports the required virtualization extensions (Intel VT-x or AMD-V) to maximize the benefits of virtualization.
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consider the following three class declarations classone classtwo classthree
Answers
The correct answer is Based on the information provided, it seems like you are requesting an analysis or further information on three class declarations:
ClassOne, ClassTwo, and ClassThree. However, it seems that the class declarations themselves have not been provided.To provide you with accurate information or analysis, please provide the details or code for the class declarations ClassOne, ClassTwo, and ClassThree. This way, I can assist you with any questions or provide insights into the specific class implementations.
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What are the qualities of strong leaders? Check all that apply. They inspire others. 1)They are easily influenced by others. 2)They are outstanding role models. 3)They have a strong sense of purpose. 4)They lack self-confidence.
Answers
Explanation:
I would pick 2 and 3 based on process of elimination
Huffman encoding uses variable length binary strings to represent particular characters. Group of answer choices False True
Answers
A Web site uses several strategies to prevent unauthorized individuals from accessing user accounts. Which of the following is NOT an example of multifactor authentication?
Answers
Answer: “When a user enters an incorrect password more than two times in a row, the user is locked out of the account for 24 hours.”
which part of the brain controls the movement of muscles
Answers
Answer:
PLEASE MARK AS BRAINLIEST
Explanation:
Cerebellum
Cerebellum. The cerebellum (back of brain) is located at the back of the head. Its function is to coordinate voluntary muscle movements and to maintain posture, balance, and equilibrium.
Corey wrote a code that will display his name every time he presses the down arrow key but there is a bug in it. Display letter C, show letter O, show letter R, show letter E, show letter Y. What is the error in this algorithm?
Change the word "show" to "type."
Add when right mouse button pressed.
The letters O and R must be switched.
There is no loop in the code.
Answers
Answer:
Explanation:
display letter c, type letter r, type letter o, type letter 3, type letter y- i think thats it but i dee cay this is confusing
what elements of the user stories were the most helpful in developing your initial test cases?
Answers
The most helpful elements of user stories in developing initial test cases are: the clear description of the user's goal, the defined roles and actions, and the specific acceptance criteria.
When developing test cases from user stories, it is important to consider the following elements:
1. User persona: User personas provide a better understanding of the user's needs, goals, and behavior. This information is used to develop relevant test cases.
2. User story title: The title of the user story is used to create a test case name.
3. Acceptance criteria: Acceptance criteria provide details on the expected outcome or behavior of the application.
4. Assumptions: Assumptions provide insight into the expected user behavior and are helpful in developing test cases.
5. Business value: Business value helps to prioritize which test cases should be executed first.
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. Electricians will sometimes call ______ "disconnects" or a "disconnecting means."
A) SwitchesB) Three-pronged plugsC) Two-pronged plugsD) Electrical cords
Answers
Answer: A: Switches
Explanation:
Answer:
A) Switches
Explanation:
What actions can you take to ensure the physical security of network devices?
Answers
Answer:
Here are some steps you can take to make sure your network is secure:
Take physical precautions. ...
Make sure all of your server's security features are enabled. ...
Use both hardware and software firewalls. ...
Install the latest version of your server's software. ...
Guard passwords. ...
Be Wi-Fi savvy.
Explanation:
PLEASE MARK ME AS BRAINLIEST
Cybersecurity is not a holistic program to manage Information Technology related security risk
Answers
Cybersecurity refers to the set of measures and techniques used to protect computer systems, networks and devices from malicious attacks, such as data theft, service interruption or information destruction.
Information security risk management is a broader approach that includes identifying, assessing and managing an organization's information security-related risks.
Although cybersecurity is a key element in information security risk management, it is not sufficient on its own to ensure complete protection of an organization's information assets.
In conclusion, cybersecurity is a critical element in protecting an organization's information assets, but it is not a holistic program for managing IT-related security risk.
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