Consider the equilibrium describing the endothermic dissolution of a solid in water. Z n ( o h ) 2 ( s ) − ⇀ ↽ − z n 2 + ( a q ) + 2 o h − ( a q ) if you have a saturated solution at equilibrium, what changes could you make to increase the solubility of the compound?.

Answers

Answer 1

To drive this equilibrium in the forward direction, for a saturated solution, the temperature of the system must be increased.

We have been told that the reaction;  Zn(OH)2 ( s ) ⇄ Zn2+(aq) + 2OH − (aq), is an endothermic reaction. Recall that in an endothermic reaction, energy is absorbed and the energy of the products is greater than that of the reactants.

In order to drive this equilibrium in the forward direction, for a saturated solution, we can Increase the temperature of the solution. More Zn(OH)2 will dissolve in the solution.

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Related Questions

What should you do when a garbage can is nearly full.

Answers

Answer:

You can also place a false bottom inside the trash can to stop overfilling. To do that, simply place an object like a cardboard box underneath and outside the bag so that when it appears full it will not be as heavy as a bag that reached all the way to the bottom.

Explanation:

(winks and runs off)

When the garbage can is full, it is transferred into bigger dustbins that are placed outside the houses.

What is garbage management?

Domestic composting, recycling, reusing, and burning or burying of waste in their own yards are all examples of on-site household waste management. Off-site household waste management consists of delivering separated recyclables to drop-off locations, dumping at a landfill or in public trash cans, or making donations.

The environment is protected from the hazardous effects of the inorganic and biodegradable elements included in trash via waste management. Air pollution, soil erosion, and water poisoning can all result from improper waste management. If waste is collected and managed well, it can be recycled.

Therefore, when the trash container is full, it is moved into larger trash containers that are positioned outside the homes.

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A desert is very hot during the day and receives very little rain. Which plants will likely survive in this kind of environment?.

Answers

Explanation:

A cactus is a plant that would survive

A desert is very hot during the day and receives very little rain. The plants that will likely survive in this kind of environment are plants with waxy coatings. Thus the correct option is A.

What is the environment?

The environment is referred to as the surroundings where all living and nonliving things are present. The environment contains different types which include the atmosphere, hydrosphere, lithosphere, and biosphere.

Desert is referred as dryland which constitutes more than one-fifth of the planet's landmass and can be found on every continent. These regions experience a "moisture imbalance," which indicates that they typically lose more moisture to drainage.

The gravity of the waxy substance on their leaves, floating plants, which have short branches, would sink underwater if not for the weight of the leaves. The plant is shielded from hazards outside by the waxy layer, which also holds moisture.

Therefore, option A is appropriate.

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The complete question is Probably

A desert is very hot during the day and receives very little rain.

Which plants will most likely survive in this kind of environment?

answer choices

plants with waxy coatings

plants with few roots

plants with large leaves

plants with soft stems

Abigail has an account that pays 6. 92% simple interest per year and wants to accumulate $5,896 in interest from this account over six years. How much money should Abigail invest in this account to meet this goal? a. $2,448. 02 b. $8,344. 10 c. $14,200. 39 d. $20,096. 67.

Answers

Answer:

Correct answer is C) $14.200.39

Explanation:

we know that

The simple interest formula is equal to

I = Prt

P = I / (rt)

where

I is the amount of money in interest

P is the Principal amount of money to be invested

r is the rate of interest  in decimal

t is Number of Time Periods

in this problem we have

t = 9 years  

I = $5,896

P = ?

r = 0.0692

substitute in the formula above  

P = 5,896/ (0.0692 ÷ 6) = $14,200.39

therefore

the answer is option C)

$14,200.39

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Which of the following are true about regression with one predictor variable (often called ""simple regression"")? check all that apply.

Answers

Answer:

A. The slope describes the amount of change in Y for a one-unit increase in X

B. The regression equation is the line that best fits a set of data as determined by having the least squared error.

Explanation:

Options:

A) The slope describes the amount of change in Y for a one-unit increase in X

B. The regression equation is the line that best fits a set of data as determined by having the least squared error

C. The slope, b, of the regression equation has the same value as r, the estimated correlation

______________________________________________________

The options that are true about regression with one predictor variable include:

A. The slope describes the amount of change in Y for a one-unit increase in XB. The regression equation is the line that best fits a set of data as determined by having the least squared error.

Regression simply refers to a statistical measurement which attempts to determine the strength that exists between a dependent variable and the independent variables.

It should be noted that in one predictor variable, the slope describes the amount of change in Y for a one-unit increase in X and the regression equation is the line that best fits a set of data as determined by having the least squared error.

Therefore, the correct answers are A and B.

______________________________________________

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Maria, a u. S. Psychologist uses the dsm-5 in her practice, but her cousin, ava, lives in spain and often uses the ________ for clinical diagnosis.

Answers

Answer:

B. International Classification of Diseases

Explanation:

You meet a new person at a party who tells you that she is a counseling psychologist. You correctly believe that she.

Answers

Answer: counsels people with adjustment and life stress problems.

Explanation:

i believe that the asnwer is D.councils people with adjustment and life stress problems counseling psychological speciality. ranging from career development,stress management, mental disorders prevention, personal development, attitude adjustments supervision and training, developing hobbies and interests, etc.

For a system at constant pressure 12 400 calories of heat are released.

Answers

Answer:

This quantity of heat is equivalent to 1.24 x 10^4 J. 2.96 x 10^3 J.

Individual particles of the medium move in a up and down motion as the energy of a surface wave passes through. Question 2 options: True False.

Answers

Answer:

False

Explanation:

:troll

What is the measure of angle coa? 140° 150° 160° 170°.

Answers

Answer:

160

Explanation:

edge 2021

The measure of angle COA will be 160°. Option C is correct. Center angle theorem is the base of the given problem.

What is the definition of geometry?

It is concerned with the geometry, region, and density of various 2D and 3D shapes.

The measure of an angle formed by an arc of a circle with any point on the circumference of that circle is half the angle formed by that arc at the center of the circle.

The angle formed by arc AC at the center, will be twice as large. Therefore,

∠AOC = 2∠ABC

∠AOC = 2(80°)

∠AOC = 160°

As a result, the center angle AOC is 160 degrees.

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Choose the best word to complete the phrase. ____ (I see) la librería. Voy Ves Veo Vo.

Answers

Answer:

C

Explanation:

We will fill in the blanks with the indicated verb.

How to conjugate a verb in spanish?

Verbs are divided into three groups called conjugations, which are identified by ending the verbs in their unconjugated infinitive form.

Each of the conjugations has its own inflections, but usually the second and third are very similar.

Veo (I see) la libreria. Learning Spanish takes practice, and that's great practice. Aprender español requiere práctica, y eso es una gran práctica. The verbs in a sentence are the action words that describe what the subject is doing. Verbs, which describe what is happening, are the primary component of a sentence or phrase together with nouns.

Therefore, We will fill in the blanks with the indicated verb.

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When individuals apply certain standards that are the standards set by others, such as by parents or the government, they are at the __________ level of moral reasoning.

Answers

Answer:

conventional moral reasoning

Explanation:

navalan nasyonal Eskol​

Answers

Answer:

Lol lol lol lol lol lol lol lol lo lol

8. 19 lab*: program: soccer team roster (dictionaries).

Answers

Answer:

990-00

Explanation:

Mark me brainliest

Global competition accelerated product development by competitors.

Answers

Answer:

its b

Explanation:

A probe orbiting venus exerts a gravitational force of 2. 58 × 103 n on venus. Venus has a mass of 4. 87 × 1024 kg. The mass of the probe is 655 kilograms. The gravitational constant is 6. 67 × 10-11 n*m2/kg2. To three significant digits, the probe is × 106 m from the center of venus.

Answers

Answer:

[tex]\mathrm{9.08 \times 10^6 \:km}[/tex]

Explanation:

To solve for the distance between the probe and  the center of Venus, use the formula:

[tex]\mathrm{F = \frac{G\: m1 \:m2}{r^2}}[/tex]

 

Plugin the values:

G =

[tex]6.67\times10^{-11} \mathrm{\frac{m3}{kg\: s2}}[/tex]

[tex]\mathrm{F} =2.58 \times 10^3\mathrm{N}[/tex]

[tex]\mathrm{m1 = 4.87 \times 10^{24}\:kg}[/tex]

[tex]\mathrm{m2 = 655\: kg}[/tex]

Hence:

[tex]\mathrm{F = \frac{G\: m1 \:m2}{r^2}}[/tex]

[tex]2.58 \times 10^{23} = 6.67 \times 10^{-11} (4.87 \times 10^{24})[/tex]

[tex]\frac{(655)}{r^2}[/tex]

[tex]\mathrm{r = 9.08 \times 10^6 \:km}[/tex]

Which expression is equivalent to (4 6i)2? –20 48i 8 12i 16 – 36i 20 48i.

Answers

Answer:

The answer is: -20 + 48i

Answer:

A

Explanation:

Which expression is equivalent to (4 + 6i)2?

–20 + 48i

Which of the following best describes the relationship between relative humidity and temperature?.

Answers

Answer:

Warm air and water vapor are measured in degrees Celsius (⁰C

Explanation:

Which best describes what financial planning skills ultimately enable an individual to do? to prepare for the future to determine lifetime income to determine the cost of living to learn from the past.

Answers

Answer:

A. Prepare for the future

Explanation:

Max is a brand-new father who can’t wait to document his twins’ achievements in their baby books. From earliest to latest, what order should max place these motor development milestones in his twins’ baby books?.

Answers

There are different stages of motor learning. They are the cognitive phase, the associative phase, and

the autonomous phase. From earliest to latest, the order that Max should place these motor development milestones in his twins’ baby books are:

Rolling over Sitting without support Crawling on hands and knees Standing well alone

Babies often start to develop motor skills from the center of the body outward and from head to tail.

They often learn to hold their head and neck before they learn to move their arms.

They also learn to move their arms in different directions before they learn to manipulate their fingers.

Motor development can also be known to have in seven stages throughout an individual's life.

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In negative reinforcement, the reinforcement for the target behavior can most accurately be described as __________. A. Unpleasant B. Dominating C. Pleasant D. Superfluous.

Answers

Answer:

C. Pleasant

Explanation:

Answer:

C. pleasant

Explanation:

got it right

Expain 5 factors that can slow down
the growth of democracy in Nigeria​

Answers

Answer:

hmm I think is Salam or lukira

What is collaboration? a. Working successfully with other people b. Struggling when working with other people c. Telling other people how they can work best d. Choosing to work alone instead of with other people.

Answers

Answer: A) Working successfully with other people

Explanation:

Meaning: the action of working with someone to produce or create something.

Answer:

A. working successfully with other people

Predict the missing component of each reaction. ? 2 upper N a upper B r right arrow 2 upper N a upper C l plus upper B r subscript 2. HCl Cl2 Na HBr right arrow upper M g upper O plus upper H subscript 2. ? CHO C2H2 CO2 CO2 2H2O C 2H2O.

Answers

The given reactions are; First reaction is a displacement reaction, Second

reaction is the production of MgO and hydrogen gas.

1. The missing component is Cl₂.

2. The missing component is H₂O.

Reasons:

1. The given reaction can be presented as follows;

? + 2NaBr [tex]\longrightarrow[/tex] 2NaCl + Br₂

The above reaction has both 2 Na and 2 Br on the side of the reactants, and 2 Na, 2 Br, and 2 Cl on the side of the products, therefore

The missing component is Cl₂

2. The possible given reaction is presented as follows;

Mg + ? HBr [tex]\longrightarrow[/tex] MgO + H₂

The elements in the reactant side of the reaction are one Mg and unknown element (?)

The elements in the product side are one Mg one O and  two H

Therefore;

The the missing elements in the reactants are, 2 H and 1 O, which gives;

The missing component = H₂O

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Answer:

1- B

2- C

Explanation:

Peep the attachment, give the other guy props for giving me the idea

Ingrid is participating in a relay race. While jogging at 9 km/h, she tosses a relay stick at 16 km/h to her teammate, who is standing still. How fast is the relay stick moving relative to Ingrid? 8 km/h 9 km/h 16 km/h 25 km/h.

Answers

Answer:

16 km/h

Explanation:

The relay stick would have the same velocity relative to Ingrid as the velocity she threw it because she threw it while running 9 km/h and the question asks for how fast it is moving RELATIVE to Ingrid, who also started off moving at 9 km/h.

Sorry if explanation is bad, this one was a bit of head scratcher for me to wrap my head around ig.

The answer is:

16 km/h

The random variable k has a geometric distribution with mean 16. Which of the following is closest to the standard deviation of random variable k ?.

Answers

Answer : 1

Explanation:

k = 11

16 ÷ 11 = 1

answer is 1

What is the total kinetic energy of a 0. 15 kg hockey puck sliding at 0. 5 m/s and rotating about its center at 8. 4 rad/s? the diameter of the hockey puck is 0. 076 m.

Answers

The mass of the puck is

m = 0.15 kg.

The diameter of the puck is 0.076 m, therefore its radius  is

r = 0.076/2 = 0.038 m

The sliding speed is

v = 0.5 m/s

The angular velocity is

ω = 8.4 rad/s

The rotational moment of inertia of the puck is

I = (mr²)/2

 = 0.5*(0.15 kg)*(0.038 m)²

 = 1.083 x 10⁻⁴ kg-m²

The kinetic energy of the puck is the sum of the translational and rotational kinetic energy.

The translational KE is

KE₁ = (1/2)*m*v²

      = 0.5*(0.15 kg)*(0.5 m/s)²

      = 0.0187 j

The rotational KE is

KE₂ = (1/2)*I*ω²

      = 0.5*(1.083 x 10⁻⁴ kg-m²)*(8.4 rad/s)²

      = 0.0038 J

The total KE is

KE = 0.0187 + 0.0038 = 0.0226 J

Answer: 0.0226 J

Which of the following best describes metal prices?.

Answers

Hard substances that conduct heat and electricity and have a characteristic lustre or shine

If a dam is installed across a river, what effect will this have on the coastline?.

Answers

Answer:

The effects of dams on rivers can have dramatic consequences both upstream and downstream as the natural flow and drainage of the land is altered. One of the most obvious of these effects is a profound altering of the natural sediment load carried by the waters of the previously free-flowing river.

Explanation:

Almost every Western European language descended from ____________, an ancient language family.

Answers

Answer:

Almost every Western European language descended from Indo-European, an ancient language family.

I hope this helped at all.

Which are characteristics of graphic novels? Choose three answers. Using speech bubbles using first-person perspective combining words and images dividing the story into frames telling only nonfiction stories.

Answers

The characteristics of graphic novels include:

Using speech bubbles.Combining words and images.Dividing the story into frames.

A graphic novel refers to a narrative work where the story is conveyed to the reader but using sequential art. It should be noted that graphic novels contain complete narratives.

Graphic novels combine both words and images. They can be fiction, fantasy, non-fiction, history, etc. In a graphic novel, the stories are divided into frames.

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Answer:

Speech Bubbles

Dividing the story into frames

Combining words and images

:)

Explanation:

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Trayvon enters a competition to guess how many balls are in a barrel.Trayvons guess is 63 balls.The actual number of balls is 60.What is the percent error of Trayvons guess? Refer to You Should Meet Katherine Johnson for a complete version of this text.Part AWhich statement is a main idea of Chapter 4?Katherine has concerns that her calculations might be incorrect and cause problems for the return flight of Apollo 11.Katherine plays an important role in the Apollo 11 flight to the moon that places America ahead in the space race.Katherine believes in teamwork and makes sure others are given credit for their contributions.In Katherine's early years at NASA, a Soviet astronaut becomes the first person to orbit the Earth.Question 2Part B when a company capitalizes a cost, its ______ increase. simple past and the past progressive 1. When the Bob (see) ________ Mrs. Smith, she (stand) ________on her front porch. She (hold) ________ a broom. Mrs. Smith (wave) ________ at Bob when she (see) ________ him. 2. Sally (eat) _________ dinner last night when someone (knock) ________ on the door. 3. I began to study at seven last night. Fred (come) ________ at seven-thirty. I (study) ________ when Fred (come) _________.4. When i (study) _________ last night, Fred (drop by) ________ to visit me.5. My roommates parents (call) _______ him last night while we (watch) _________ TV.6. My mother called me around five. My husband came home a little a after that. When he (come) _______ home, I (talk) _______ to my mother on the phone. +{-x2y+[-(x2y-2xy2+y2)+(-xy2-3y2+x2y)]-(10y2-x2y)} 1. The expression 2p - 15 represents the number of lilies left in the zoo's garden after a storm. If p = 223, how many lilies are left in the garden after the storm? 431 lilies 223 lilies 193 lilies 208 lilies Select all the correct answers.Which two ideas did the colonists adopt from Locke's Enlightenment text Two Treatises on Government?popular sovereigntyconstitutional monarchynatural rightslimited governmentschecks and balances True or False: Transcription and Translation can occur at the same time for a single mRNA in prokaryotes. I-Ready find the measure of angle RST Nativist groups of the late 1800s were best known for which of the following?A arguing that reform efforts should focus on granting more power to immigrants already in the United StatesB supporting calls for increased immigration from Asia but objecting to increased immigration from EuropeC volunteering to help new immigrants assimilate themselves into American cultureD objecting to calls for increased immigration and supporting greater restrictions A mixture of paint calls for 1/3 cups of red paint and 1/2 cup of yellow paint. How many cups of red paint would be needed for every 1 cup of yellow paint? 1. Tu visites le muse. Tule muse.2. Elle chante la chanson. Ellela chanson.3. Ils jouent au foot. Ilsau foot.4. Vous maigrissez en t. Vousen te.5. Je vends mon vlo.Jemon vlo. Determine which of the following steps cannot occur in the rock cycle.magma sedimentary rocksedimentary rock metamorphic rockmetamorphic rock magmaigneous rock sedimentthanks :) Please help me with this, im kinda struggling Whats the function of this circuit? Match each tool or feature to the task it completes. What does percent composition tell you about a molecule?O A. It tells you how the elements are arranged in the molecule.B. It tells you the ratio of elements in the molecular formula.C. It gives you the total number of atoms in the molecule.D. It tells you how much of a molecule is made up of each element.SUBMIT how many books are in the bibles old testament Why is frankenstein a tragic hero? And where are there examples from the book to check? What do citizens and businesses decide in the united kingdom?What do citizens and businesses decide in Germany?What do citizens and businesses decide in Russia?Please Help