Answer: [tex]56\times 10^{20}\ \text{atoms}[/tex]
Explanation:
Given
No. of moles of [tex]Na_{2}CO_{3}[/tex] is [tex]9.30\times 10^{-3}[/tex]
So, for [tex]9.30\times 10^{-3}[/tex] moles of [tex]Na_{2}CO_{3}[/tex]
There are [tex]9.30\times 10^{-3}\times 6.022\times 10^{23}\ \text{molecules of}\ Na_{2}CO_{3}=56\times 10^{20}\ \text{molecules}[/tex]
1 molecule of [tex]Na_{2}CO_{3}[/tex] contains 1 atom of carbon
i.e. there are [tex]56\times 10^{20}\ \text{atoms of C}[/tex]
What is the difference between curacy and precision
A) Accuracy is how far out the measurement is taken while precision is how close miested
value is to its true value
B) Accuracy is how close a measured value is to its true value, While precision is how okre
measured values are to each other
C) Accuracy is how close a measured value is to its true Vokie, Winte precision is how else the
average value is to the true value
D) Accuracy and precision are two different words for the same thing
Answer:
B) Accuracy is how close a measured value is to its true value, while precision is how close measured values are to each other
Explanation:
i. The true value is the actual or correct value of the quantity measured. So that accuracy describes how close a measured value is to the true value.
For example, a pencil of actual length 10 cm is given to 3 students to measure individually.
Assume that each student measures; 9.5 cm, 9.65 cm, 9.95 cm. Then it can be observed that the 9.95 cm measure is accurate compared with the actual value.
ii. Precision describes the closeness of measured values to each other.
For example, a pencil of actual length 10 cm is given to 3 students to measure individually.
Assume that each student measures; 9.5 cm, 9.55 cm, 9.60 cm. Then their measurements are precise, though not accurate.
"We hold these truths to be self-evident: that all men and women are created equal; that they are endowed by their Creator with certain inalienable rights; that among these are life, liberty, and the pursuit of happiness; that to secure these rights governments are instituted, deriving their just powers from the consent of the governed. Whenever any form of government becomes destructive of these ends, it is the right of those who suffer from it to refuse allegiance to it, and to insist upon the institution of a new government, laying its foundation on such principles, and organizing its powers in such form, as to them shall seem most likely to effect their safety and happiness. Prudence, indeed, will dictate that governments long established should not be changed for light and transient causes; and accordingly all experience hath shown that mankind are more disposed to suffer. while evils are sufferable, than to right themselves by abolishing the forms to which they are accustomed. But when a long train of abuses and usurpations, pursuing invariably the same object, evinces a design to reduce them under absolute despotism, it is their duty to throw off such government, and to provide new guards for their future security. Such has been the patient sufferance of the women under this government, and such is now the necessity which constrains them to demand the equal station to which they are entitled." (2)
Answer:
yuuhhh , do you need help with anything:))))
A news company reported that 6% of adult Americans have a food allergy. Consider selecting 15 adult Americans at random. Define the random variable x as
x = number of people in the sample of 15 that have a food allergy.
Answer:
Number of people that have food allergy = 1 person (approx.)
Explanation:
Given:
Percentage of American have food allergy = 6 %
Number of people in survey = 15
Find:
Number of people that have food allergy
Computation:
Number of people that have food allergy = Number of people in survey x Percentage
Number of people that have food allergy = 15 x 6 %
Number of people that have food allergy = 0.9
Number of people that have food allergy = 1 person (approx.)
What is the Nose and rib cartilage ??
Answer:
nose - is the body's primary organ of smell and also functions as part of the body's respiratory system
rib cartilage - bars of hyaline cartilage which serve to prolong the ribs forward and contribute very materially to the elasticity of the walls of the thorax
Explanation:
gWhich facts could be applied to simplify this expression? Check all that apply.
5 x + 3 y + (negative x) + 6 z
To add like terms, add the coefficients, not the variables.
First add 5x + x.
The simplified expression is 4 x + 3 y + 6 z.
Only combine terms which contain the same variable.
The simplified expression is 5 x + 3 y + 6 z.
Answer:
Explanation:
i do not get it
Answer:
A, C, D
Explanation:
Right on Edg 2020
As Earth warms:
• Ice cover melts, exposing soil or water
• Albedo (Reflectivity of sunlight) decreases
• More energy is absorbed by Earth's surface
• Global temperature rises
• More ice melts
IS THIS A NEGATIVE OR POSITIVE FEEDBACK LOOP AND WHY?
it is negative because as the ice has melted, dark ocean water is said to be released and this leads to a lot of changes in the surface.
Is there an albedo increase or decrease when ice melts?Note that in global warming, there is a rise in feedback when there is reflective ice (that is, one has a higher albedo) when compared to land or water surfaces.
Conclusively, it is negative because as the ice has melted, dark ocean water is said to be released and this leads to a lot of changes in the surface and thus cause an albedo effect.
Learn more about Earth warms from
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If the central bank conducts an open-market purchase
Answer:
a
Explanation:
A Democratic voter lives in a state that overwhelmingly votes for Republican candidates. A presidential election is coming up soon.
Which of the following outcomes is most likely, based on the format of the electoral college?
The voter will be less likely to vote, because he or she believes that there is strong support in other states for the Democratic candidate.
The voter will be more likely to vote, because he or she knows that individual voters in other states will tip the balance for the Democratic candidate.
The voter will be more likely to vote, because he or she believes that at least one of the state’s electoral votes will go to the Democratic candidate.
The voter will be less likely to vote, because he or she thinks that the vote will not matter, since none of the state’s electoral votes will go to the Democratic candidate.
Answer: The voter will be more likely to vote, because he or she knows that individual voters in other states will tip the balance for the Democratic candidate.
Explanation:
The following outcomes is most likely, based on the format of the electoral college:
The voter will be more likely to vote, because he or she knows that individual voters in other states will tip the balance for the Democratic candidate.
The second option is correct.
What is democracy?Democracy is a system of government formed by the people, for the people and all the eligible members of a state through elected representatives.
A Democratic voter lives in a state that overwhelmingly votes for Republican candidates. A presidential election is coming up soon. Based on the format of the electoral college, the voters will go for voting.
The voter will be more likely to vote, because he or she knows that individual voters in other states will tip the balance for the Democratic candidate.
Thus, the second option is correct.
Learn more about democracy.
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WILL GIVE BRANLIEST. Anyone have Unit 6 AP world history test answers.
Answer:
Dm me on insta at apworldedg or check our website(link in ig bio) we have all unit 6, 7, 8 and 9 unit tests, projects shrot answers ect!
Explanation:
Site where the generic code is stored?
Answer:
stored on one of the two strands of a DNA molecules as a linear, non-overlapping sequence of the nitrogenous bases
Explanation:
Nitrogen pollution enters Earth’s freshwater resources from a variety of human activities, including the use of fertilizers and pesticides in agriculture. This nitrogen pollution has a negative effect on plants and animals living in fresh water. Certain wetland plants, however, are able to purify the water and restore it to its non-polluted state. Which of the following would most likely increase the negative effects of nitrogen pollution?
Answer:
Loss of biodiversity in the wetlands.
Explanation:
Pollution can be defined as the emission of toxic, poisonous and harmful chemical substances which are capable of causing environmental degradation and contamination.
Nitrogen pollution enters Earth’s freshwater resources from a variety of human activities, including the use of fertilizers and pesticides in agriculture. This nitrogen pollution has a negative effect on plants and animals living in fresh water. Certain wetland plants, however, are able to purify the water and restore it to its non-polluted state.
Hence, what would most likely increase the negative effects of nitrogen pollution is a loss of biodiversity in the wetlands i.e the various species of animal and plants.
All of the following are characteristics of a possessive person except.
A. controlling behavior.
B. demanding exclusivity.
C. jealousy
D. humbleness.
Answer:
D: humbleness
Explanation:
humbleness
“It kills me not to know this but I’ve all but just forgotten,” complete the following 2 lines
Answer: from what
Explanation:
Answer:
What the colour of her eyes were
And her scars or how she got them..
Explanation:
Let f(x) = 2x2 + x – 6
(A) find f'(x)
(b) Find the value of x for which f'(x)=0
Answer:
(a) f(x) = 4x+1 (b) x = -1/4
Explanation:
Given that,
[tex]f(x) = 2x^2 + x - 6[/tex]
(a) We need to find f'(x).
[tex]f'(x)=\dfrac{d}{dx}(2x^2+x-6)\\\\=4x+1[/tex]
(b) We need to find the value of x when f'(x) =0
Put f'(x) = 0
4x+1 = 0
[tex]4x=-1\\\\x=\dfrac{-1}{4}[/tex]
So, the value is -1/4 when f'(x) = 0.
Researchers have found that the more World Cup soccer a student watches the better they do on their exams. Students reported the amount of World Cup soccer they had watched in the two weeks leading up to their midterm exams. The more soccer watched, the better the student’s exam grades tended to be. Researchers are not yet sure why soccer viewing improves intelligence, but plan further research during the next World Cup qualifiers as well as research examining other sports. Which of the following BEST captures the most significant flaw in this research as it is written? What type of design is this? Using an exam score as a measure of intelligence is an example of?
Answer:there could be a placebo effect that accounts for results
Explanation:
There is not enough info about experiment nor is there a group that didn’t watch soccer
Following are the solution to the given question:
For question 1:
The study is correlational, but still makes a causal claim the correlation just reveals the direction and size of such an association between variables; correlation does not imply causation.For question 2:
This researcher establishes a link between two variables, namely football viewing, and scoring. This correlational research looks into correlations between variables without helping researchers control or manipulates any of them. It expresses the strength and/or direction of a link between two (or more) factors. This correlation's direction could be either positive or negative.For question 3:
Parsimony is demonstrated by using an exam score as a measure of intellect. It is defined as extreme frugality or the practice of spending money with great prudence. When you carefully consider every purchase and are wary about spending even tiny sums of money.Therefore, the answer is "Option 1, correlational, and parsimony".
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Chocolate chip cookie mining lab conclusion questions:
1. Explain why you think land reclamation would be difficult?
2. Discuss what might be happening to the land due to mining waste.
3. Describe THREE negative impacts on natural attributes from mining.
4. When you look at your grid, just because you only have crumbles on two grids of water, does that mean only those two grids are impacted ? Explain .
5. What about the squares that have been reclaimed " those located between the original circle and the new outline? Just because they are no longer covered by cookie, do you think that area is completely back to normal?
Answer:
i wish i could help but i desperately need points rn
Explanation:
what is the advice the public health department gives to those concerned about the safety of a particular food?
Which one of the following is the answer
Answer:
3rd one
Explanation:
Who listens to the band “rise against”? If you do, answer my question previously asked!
Answer:
It's a rock band?
Explanation:
I heard about it though, I've never listened to it either.
How did Wilhelm Wundt contribute to the study of psychology?
Answer:
Explanation:
Wilhelm Maximilian Wundt (1832–1920) is known to posterity as the “father of experimental psychology” and the founder of the first psychology laboratory in Germany......Also he done a lot in different aspects of psychology
Which statement best explains what happened during the collision ?
Help plz and as a not required side riddle what has a neck but no head and has arms but no hands.
11. Four buses leave from the same bus terminal at different times. The information for each bus is
displayed in the table below.
Which bus arrives last?
A. A
B.B
C.C
D. D
How does the statement above impact the tone of the address?
Answer:
there's no statement above so I cant really answer the question
What is a good way to learn advanced psychology? Please provide a source as well whether that be a picture of the video or whatever.
Answer:
The best way to learn psychology is through studying for a degree in psychology at a university.
Psychology is an empirical science. Its aim is to describe and explain human experience and behavior, their development in the course of life and all the internal and external causes and conditions that are relevant for them.
Therefore, it is a science that combines medical and social factors, of such complexity that its study must be regulated by university scientific academies.
What was the fate of Maine
Answer:
it's a book
Explanation:
What is the distance between (–13, 9) and (11, 2) on a coordinate grid?Click this link to view O*NET’s Skills section for Stationary Engineers. Note that common skills are listed toward the top, and less common skills are listed toward the bottom. According to O*NET, what are common skills needed by Stationary Engineers? Check all that apply.
management of financial resources
operation and control
programming
operation monitoring
active listening
critical thinking
Answer:
2). operation and control
4). operation monitoring
5). active listening
6). Critical thinking
Explanation:
The usual skills that the stationary engineers must possess would include the skills associated with 'operations and control,' 'operation monitoring' and 'active listening,' and 'critical thinking.' The operations skills would assist in the effective accomplishment of daily objectives and targets while active listening helps in knowing the feedback of the consumer's and implementing it while critical thinking promotes attentiveness, problem-solving, and decision-making skills. Thus, options 2, 4, 5, and 6 are the correct answers.
Answer: A, B, D, E,
Explanation:
________________ (name the theoretical perspective) uses and believes in the scientific method to explore society.
Functionalism
Positivism
Conflict Theory
Symbolic Interactionism
Answer: Positivism
Explanation:
Positivism as a theoretical perspective uses logic to explain things. People who follow it believe that the world should be explored through the lenses of the scientific method because everything can be explained based on statistics and are only factual if proven by the scientific method.
They are therefore against the notion that things work due to metaphysical forces and also believe that knowledge cannot be acquired unless events confirming that knowledge have been experienced.
How can we calculate fracitons
Answer:
To find a common denominator, multiply each part of a fraction by the denominator of the other fraction. For example, to find a common denominator for 1/3 + 2/5, multiply the 1 and 3 by 5 and multiply the 2 and 5 by 3. You should get 5/15 + 6/15. Then you can calculate the fractions.
Explanation:
^^^
Which part of the eye helps focus light rays on the retina?
Answer (A)
A. lens
B. pupil
C. sclera
D. iris
Answer:
A lens
....................
AP Human Geography Help
A. Describe TWO forces that affect the economic stability of cities. Provide a specific example of each.
B. Identify and explain how the forces identified above relate to the growth of metropolitan areas and megalopolises.
Answer:
Two forces that affect the economic stability of cities are unemployment and inflation.
Unemployment is rate of people available for and looking for work, but without a job. In turn, inflation is the constant increase in the prices of goods and services during a certain period of time.
Both variables negatively affect the economic stability of cities, since, on the one hand, unemployment limits the productive capacity of the city and causes less money to circulate in the internal economy, limiting the population's consumption capacity and therefore hence the income of the city's companies. In turn, inflation causes a rise in prices that limits the consumption possibilities of the population, as each individual needs more money to acquire the same goods.
Both problems have a direct correlation with the population increase in cities: unemployment because an excessive increase causes an excess of people looking for work in a market that does not adapt to this need; and inflation because the higher the demand for the products, the higher the price of them.