The Solubility product constant (Ksp) for for the dissociation of PbSO₄ given by [Pb²⁺][SO₄²⁻].
What is solubility constant?Solubility product constant (Ksp) refers to the equilibrium constant that describes a solid substance (solute) being dissolved in an aqueous solution.
The properly balanced chemical equation for the dissociation of PbSO₄ is given by:
PbSO₄(s) ⇆ Pb²⁺(aq) + SO₄²⁻(aq)
Thus, the Ksp for the above chemical reaction is given by:
Ksp = [Pb²⁺][SO₄²⁻]
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Describe in detail the most memorable visual aid you've ever seen used in a presentation. why does it stick out in your memory? how was it used to illustrate a point? what did you learn from this experience? << read less
Answer:
The most memorable visual aid I have seen used was when a psychology professor used graphic descriptions (through historically important paintings) to illustrate abstract concepts, such as love, madness, and despair.
The representations used in the presentation stuck in my mind because of the visual impact that correlated with my personal experiences, making them vivid and memorable in my mind.
The points illustrated aimed at demonstrating the universality of human passions, and as such, it was an extremely successful presentation.
Finally, what I learned from this experience is that human emotions are not only universal, and as such, they can be represented, but, also, and most importantly, they are emotions that are not abstract concepts, rather, singular and personal experiences to which, paradoxically, everyone is subjected.
Explanation:
The most striking visual assistance I have ever witnessed came when a sociology professor illustrated abstract thoughts like affection, lunacy, and despair with a pictorial description of famous paintings from the past.
What is the presentation?An audience gathers inputs from either a speaker through a presentation. The typical purpose of a presentation is to enlighten, convince, inspire, educate, build sympathy, or offer a new product or service. Presentations can also include speeches, introductions, lectures, or demonstrations.
The visual effect that connected with my life observations helped the presentation's depictions stick in my consciousness, keeping them distinct and unforgettable.
The discussion was really quite effective since it served to highlight the concept that human passions are shared by all people.
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The molar solubility of ________ is not affected by the ph of the solution
Answer:
carbon I tink but ti may be water
Sam offered a treat to her son if he would behave while they shopped for groceries. this treat would most likely be considered a(n) __________ by psychologists. a. instinct b. motivation c. need d. incentive
Sam offered a treat to her son if he would behave while they shopped for groceries. this treat would most likely be considered a(n) Incentives by psychologists.
What is Incentives?
Extrinsic and intrinsic incentives are the two types of rewards that can be categorized. The driving force behind people's actions is internal. When engaging in activities, people are frequently more motivated by the work at hand or by the internal reward than by the outward reward.
There are various internal benefits; for instance, engaging in activities can make people feel good about themselves and satisfy their sense of accomplishment.
When someone is motivated to act in a given way for their own personal gratification, that is known as an intrinsic incentive.
Therefore, Sam offered a treat to her son if he would behave while they shopped for groceries. this treat would most likely be considered a(n) Incentives by psychologists.
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John played center for four straight minutes before coming out of the game. what type of workout did john most likely experience?
Answer:
cardiovascular
Explanation:
Fill in the blank with the spanish word or phrase that best completes the following sentence._______________. necesito una cita con el doctor.enfermarsela pacienteme muevome siento mal
The complete sentence is: Me siento mal. Necesito una cita con el doctor.
What is the explanation for the above response?The response provided is a complete sentence in Spanish, which translates to "I feel bad. I need an appointment with the doctor." The sentence is a clear expression of the speaker's current state of health and their need for medical attention.
The sentence structure is simple and direct, using the verb "necesitar" (to need) to express the speaker's desire for an appointment with the doctor. The context implies that the speaker may be experiencing physical discomfort or illness and is seeking treatment or advice from a medical professional.
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After the torque has been applied for 0.3 s, what are the magnitude and direction of the angular momentum about the center of the disk?
The magnitude and direction of the angular momentum about the center of the disk is 0.996 kgm²/s.
Angular acceleration of the diskThe angular acceleration of the disk is determined by applying the principle of conservation of angular momentum as shown below;
Fr = Iα
α = Fr/I
Where;
I is the moment of inertia of the solid diskI = ¹/₂MR²
I = ¹/₂ x (0.5) x (0.08)²
I = 1.6 x 10⁻³ kgm²
[tex]\alpha = \frac{14 \times 0.22}{1.6\times 10^{-3}}\\\\\alpha = 1,925 \ rad/s^2[/tex]
Final angular velocity of the diskωf = ωi + αt
ωf = 45 + (1925 x 0.3)
ωf = 622.5 rad/s
Angular momentumL = Iω
L = (1.6 x 10⁻³) x (622.5)
L = 0.996 kgm²/s
Thus, the magnitude and direction of the angular momentum about the center of the disk is 0.996 kgm²/s.
The complete question is below:
A uniform solid disk with radius 8 cm has mass 0.5 kg (moment of inertia I = (1/2)MR²). A constant force 14 N is applied as shown. At the instant shown, the amount of string that has wound off the disk is d = 22 cm, and the angular velocity of the disk is 45 radians/s into the page.
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Which of these is most likely the responsibility of local government?
The statement that describe the responsibility of local government is maintaining public works.
What is local government?Local government refers to the lowest segment of public administration that is within a particular state. This level of government refers to a level of administration within a geographically-localised areas and it has little authority.
It is responsible for responsible for different services for people and businesses.
Therefore, The statement that describe the responsibility of local government is maintaining public works.
The question is incomplete as the options are not given, here are the options from brainly website.
Correcting errors made in supreme Court cases.Developing and amending federal law.Approving state budget.maintaining public works.Learn more about local government below.
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Answer: i
Explanation:
drk
What is the best description of the geology of mars? it is diverse, and different parts formed at different times. it is like earth, with volcanoes, ocean valleys, and thick crust. it is simple, containing the same type of material and appearance everywhere. it is like the moon, because it is made of rock inside and on the surface.
Answer:
B. It is like Earth, with volcanoes, ocean valleys, and thick crust.
Explanation:
3. he took the bad news with surprising and showed no emotion.
Explanation:
I don't know what the answer choices are
I am a fourteen-year-old girl with bad spelling and a messy room. if it helps any, i will tell you i have always felt funny using chopsticks and my favorite food is hot dogs. why does okita include this description of the speaker? to emphasize the cultural differences between japanese americans and other americans to accentuate the social injustice of japanese americans being interned to highlight the fact that the speaker is no different from any other average american girl to call attention to the tear in the narrator’s relationship with her best friend
Scoria is a type of rock that forms most directly from the process of
Answer:
volcanic activity/lava
Different rocks form based on atmospheric processes and places. Scoria rock is an igneous rock that forms from the cooling of the lava from volcanic eruptions.
What are Scoria rocks?Igneous rocks like scoria form when the magma or the lava erupted from the volcanic eruptions gets cooled and the bubbles leave the gas-forming holes in the solidified rocks.
Scoria is a dark-colored vesicular rock structure that is found near the earth's surface when the magma gets cooled down.
Therefore, Scoria forms by the cooling of the magma from volcanic eruptions.
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What does this dialogue reveal about paul? he does not always keep his word. he is easily intimidated by sutcliffe. he enjoys working with mitchell. he takes his responsibilities seriously.
What the dialogue reveals about Paul is; He takes his responsibilities seriously.
What is the meaning of the dialogue?The given excerpt showing the dialogue of Paul is as seen in the brainly link attached.
Now, in the given excerpt we see that Paul regardless of some form of intimidation from Mister Sutcliffe refused to back down from a promise he made to another.
In conclusion, we can say that this attitude or response from Paul shows someone that is highly responsible.
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How did this structure combine both greek and roman architectural elements?
Answer:
The Hagia Sophia combines both Greek and Roman architectural elements. Some examples of this are the famous dome on this beautiful building was like that of the Ottoman Turks of the Roman Empire. It seems to have three or four large pillars which are made of marble which is like in Athens, Greece.
Suppose your parents are traveling on a work-related trip for a whole week. they left you p10,000 as allowance, and solely for allowance only for the week, to be divided fairly among you and your two younger siblings. how would you divide the money, assuming that the amounts should be in whole pesos and with no spare change? explain how you came up with your division in one sentence.
The division of p10,000 amongst the three members will be p4,000 for the oldest one and p3,000 each for the two younger siblings.
What is a ratio?A ratio can be understood as the comparison between two products based upon their importance or quantity.
The division of p10,000 will be in three parts. If p10,000 is divided equally it will be p3,333.33.
But as per the questions the division should be in whole pesos and no spare change.
For this case the older one will be given p1,000 extra; that is the elder person will get p4,000 and the remaining amount of p6,000 will be divided in the equal proportion amongst two younger as p3,000 each.
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Which claim in president lincoln’s speech lacks sufficient support? excerpt from president abraham lincoln’s second inaugural address at this second appearing to take the oath of the presidential office, there is less occasion for an extended address than there was at the first. then a statement, somewhat in detail, of a course to be pursued, seemed fitting and proper. now, at the expiration of four years, during which public declarations have been constantly called forth on every point and phase of the great contest which still absorbs the attention, and engrosses the energies of the nation, little that is new could be presented. the progress of our arms, upon which all else chiefly depends, is as well known to the public as to myself; and it is, i trust, reasonably satisfactory and encouraging to all. with high hope for the future, no prediction in regard to it is ventured. on the occasion corresponding to this four years ago, all thoughts were anxiously directed to an impending civil war. all dreaded it--all sought to avert it. while the inaugural address was being delivered from this place, devoted altogether to saving the union without war, insurgent agents were in the city seeking to destroy it without war - seeking to dissolve the union, and divide effects, by negotiation. both parties deprecated war; but one of them would make war rather than let the nation survive; and the other would accept war rather than let it perish. and the war came.
The claim in President Lincoln’s speech that lacks sufficient support is "with high hope for the future, no prediction in regard to it is ventured."
What is a claim?A claim refers to a statement that is used by an author, speaker, or writer to prove, substantiate and support an argument. Thus, it is an assertive statement that is expressed by a writer or speaker to prove that an argument is either true or real.
Based on the excerpt, the claim in President Lincoln’s speech that lacks sufficient support is "with high hope for the future, no prediction in regard to it is ventured."
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How did otto i gain support from many church bishops?
The way that Otto I gained support from many church bishops is; By using the power of lay investiture.
What is Lay Investiture?Lay Investiture is defined as the system or process whereby the religious leaders are elected and given appointment by the rulers or monarchs of secular states or kingdoms.
Otto I was the ruler of Germany and the Roman empire after the death of his father Henry I. Thus, he took responsibility for installation of the leadership of the local church.
Due to the fact that the installation was supposed to be the rights and duty of the church in appointing the local leaders, Otto's act led to an increase in his loyal followers and this practice of investiture gained a large number of support from many Bishops.
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Prove that the product of any two consecutive integers is even
Answer:
Credit: Luqman Khan
Explanation:
n(n+1)
n^2+n
check first case n=1
1+1=2 2(1)
it works for first case
assume true for n=k
k^2+k=2A
check n=k+1
(k+1)^2+(k+1)
k^2+2k+1+k+1
k^2+3k+2
k^2+k+2k+2
2A+2k+2
2(A+K+2)
It works for first case. If it works for n=k, then it also works for n=k+1
Then it is true for all 2 consecutive numbers, by mathematical induction
In 2017 the hindu festival of diwali occurred on thursday, 19 october. what fraction of the year was this? (to 1 decimal place). hint: think carefully which start and end dates to use.
The fraction of the year that passed before the festival starts is 292/365 = 0.8.
Which fraction of the year represents this?
Well, we know that a year has 365 days on it.
Now we need to find how many days are between the start of the year and 19 of October.
January has 31 days.February has 28 daysMarch has 31 daysApril has 30 daysMay has 31 daysJune has 30 days.July has 31 days.August has 31 daysSeptember has 30 days.October has 19 (in this case).Adding all of these we get:
31 + 28 + 31 + 30 + 31 + 30 + 31 + 31 + 30 + 19 = 292
So, the fraction of the year that passed before the festival starts is:
F = 292/365 = 0.8
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what is the median of the data set represented by the dot plot? enter the answer in the box.
Answer:
where is the box ?
Explanation:
which box i can't see any!
2. during the election of 1980, emphasized peacemaking.
Answer:
During the election of 1980, Jimmy Carter emphasized peacemaking.
Explanation:
Hope this helps! Please let me know if you need more help or think my answer is incorrect. Brainliest would be MUCH appreciated. Also remember to rate answers to help other students, While leaving thanks to answers that help you. Have a great day!
In the course of the election of 1980, Jimmy Carter was said to have emphasized on peacemaking.
What is the work of peacemaking?Peacemaking is known to be the act or measures that is often used to handle issues such as conflicts that is said to be in progress.
Conclusively, Jimmy Carter was said to have emphasized on peacemaking. as he does not want any bloodshed or disruption of the economy.
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What is the process of working for a client whose opponent is on the opposite side called?
Answer: Your answer is D. Adversarial
Hope this helps!
The length of the apothem of the hexagon is about inches. The perimeter of the hexagon is inches. The area of the hexagon is about square inches
Answer:
The length of the apothem of the hexagon is about
13.9 inches.
The perimeter of the hexagon is
96.0 inches.
The area of the hexagon is about
667.2 square inches.
Explanation:
Answer:
1) 13.0
2) 96.0
3) 667.2
Explanation:
Atlas corp. is considering two mutually exclusive projects. both require an initial investment of $10,000 at t = 0. project s has an expected life of 2 years with after-tax cash inflows of $6,000 and $8,000 at the end of years 1 and 2, respectively. project l has an expected life of 4 years with after-tax cash inflows of $4,373 at the end of each of the next 4 years. each project has a wacc of 9.25%, and project s can be repeated with no changes in its cash flows. the controller prefers project s, but the cfo prefers project l. how much value will the firm gain or lose if project l is selected over project s, i.e., what is the value of npvl - npvs?
Based on the after-tax cashflows of each project, the value that the firm will gain if Project L is selected over Project S is $56.50.
What are the net present values of Project L and Project S?Project L net present value:
= Present value of inflows - Outflows
= 4,373/1.10925 + 4,373/1.10925² + 4,373/1.10925 ³ + 4,373/1.10925 ⁴ - 10,000
= 14,089.90 - 10,000
= $4,089.90
Project S net present value:
Because project s can be repeated after it is done, the net present value will be:
= (6,000/1.0925 + 8,000/1.0925² - 10,000) + ((6,000/1.0925 + 8,000/1.0925² - 10,000) / 1.0925²)
= $4,033.40
The difference is:
= Project L - Project S
= $56.50
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550-nm light passes through a diffraction grating with 3000 lines per centimeter. the screen is 115 cm away from the grating. at what angle, measured in degrees, is the 2nd-order bright fringe located?
The angle measured in degrees at which the 2nd-order bright fringe located is located is; 58.78°
What is the angle of the diffraction grating?Formula for diffraction grating is; dsinθ = mλ
where;
d = grating spacing = 1/(3000 lines per cm) = 1/3 × 10⁻⁵ m
m = order of fringe
λ = wavelength of light = 550 nm = 550 × 10⁻⁹ m.
Now, tanθ = x/D
where;
x = distance of nth order fringe from central maximum.
D = distance of screen from grating = 115 cm = 1.15 m
Now sinθ = d/mλ
θ is small and so we can approximate as sinθ ≅ tanθ
Thus;
d/mλ = x/D
for a second order bright fringe, m = 2.
d/2λ = x/D
x = dD/2λ
For a dark fringe, we have
d/(m + 1/2)λ = x'/D
where;
x' is the distance of the fringe from the central maximum.
For a second-order dark fringe, m = 2. Thus;
d/(2 + 1/2)λ = x'/D
d/(5/2)λ = x'/D
2d/5λ = x'/D
x' = 2dD/5λ
So, the distance between the 2nd order bright fringe and the 2nd dark fringe is; x" = dD/2λ - 2dD/5λ
x" = dD/10λ
Plugging in the values of the variables, we have;
x" = 1/3 × 10⁻⁵ m × 1.15 m/(10 × 550 × 10⁻⁹ m)
x" = 1.15/165 × 10² m
x" = 0.697 m
x'' = 69.7 cm
Thus;
tan θ = x/D = 115/69.7
θ = tan⁻¹(115/69.7)
θ = 58.78°
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Why did the mexican cession result in renewed sectional tension
The Mexican Cession gave the United States a great deal of land in what is now the southwestern part of the United States. The United States got land in the present-day states of California, Nevada, Wyoming, Utah, Colorado, New Mexico, and Arizona as a result of winning the Mexican-American War.
Explanation:
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A toy doll and a toy robot are standing on a frictionless surface facing each other. the doll has a mass of 0.20 kg 0.20 kg , and the robot has a mass of 0.30 kg 0.30 kg . the robot pushes on the doll with a force of 0.30 n 0.30 n . the magnitude of the acceleration of the robot is
The magnitude of the acceleration of the robot that pushes the doll with a force of 0.3 N is; 1 m/s²
How to find the magnitude of acceleration?We are given;
Mass of the toy doll; m = 0.2 kg
Mass of the robot; M = 0.3 kg
Force applied by the robot; F = 0.3 N
The magnitude of the acceleration of the robot is derived from Newton's second law of motion;
F = ma
where;
a is the acceleration of the robot
Thus;
0.3 = 0.3a
a = 0.3/0.3
a = 1 m/s²
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Which of the following observations supports the big bang theory and contradicts the static model?
One observation that supports the Big Bang theory is that the distance between our galaxy and others has changed over time
What is the key difference between the Big Bang theory and the static model?The Big Bang theory proposes after the Big Bang or great explotion the universe formed through expansion. Moreover, expansion is still happening.
On the other hand, the static model proposes the universe is not expanding but it is rather static.
What observation supports the Big Bang theory?A key observation is that the distance between our galaxy and others has changed, which proves the universe is expanding.
Note: This question is incomplete because the options are missing; due to this, the answer is based on general knowledge.
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Which of these states would be the best location for solar panels
Answer:the answer is the most radiation
Explanation:
Calculate the number of moles of cl2 molecules in a sample that contains 7.12×1025 molecules of cl2.
Answer:
120 moles in that sample. Take 7.12 x 10^25/ 6.02x10^23 to get that answer
Explanation:
The sample of Cl₂ containing 7.12 * 10²⁵ molecules has been equivalent to 118.21 moles.
What is an Avogadro number?Avogadro number is the constant that serves as the proportionality constant for the number of molecules present in a mole of a sample. The value of the Avogadro number is 6.023 * 10²³.
Thus, it can be given as:
6.023 * 10²³ molecules = 1 mole
7.12 * 10²⁵ molecules = 7.12 * 10²⁵/ 6.023 * 10²³ * 1 mole
7.12 * 10²⁵ molecules = 118.21 moles
The sample of 7.12 * 10²⁵ molecules of Cl₂ contains 118.21 moles of Cl₂.
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Suppose you spin the spinner 5 times. means ""the probability of getting a vowel on exactly 3 of the spins.""
Answer: A
Explanation: P(3 successes)
The probability of getting a vowel on exactly 3 of the spins when the spinner is spin 5 number of times is 0.1646.
What is binomial probabilities?The binomial probabilities is the experimental probability in which the total number of output values is 2, therefore it is known as binomial probabilities.
The number of independence variable in case of binomial experiments is fixed. Both the two output has the 1/2 chances to occur.
It can be given by the function,
[tex]P(X)=\left(^nC_x\right)p^x(1-p)^{n-x}[/tex]
Here, (n) is the number of trial (x) is a number of successes desired and (p) is the probability of success in one trial.
The spinner has 3 sections, let A,B and C, in which A one is vowel. Hence, the probability of getting vowel in one spin is,
[tex]p=\dfrac{1}{3}\\p=0.333[/tex]
It spins the spinner 5 times. Thus,
[tex]n=5[/tex]
The probability of of getting a vowel on exactly 3 of the spins is,
[tex]P(X=3)=\left(^5C_3\right)0.333^3(1-0.333)^{5-3}\\P(X=3)=0.1646[/tex]
Thus, the probability of getting a vowel on exactly 3 of the spins when the spinner is spin 5 number of times is 0.1646.
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