An element A combines with element B. The electrons are transferred from the atom A to the atom B. .
(a) What is the nature of bond between A and B?
(b) What are the two main properties expected compound AB?
(c) What happens if this compound is dissolved in water? To​

Answers

Answer 1

(a) The nature of bond between A and B is an ionic bond.

(b) The two main properties of the ionic compounds are:

Ionic Compounds have high boiling and melting points as they're very strong and require a lot of energy to break.The electrostatic forces of attraction between oppositely charged ions lead to the formation of ions.

(c) If the ionic compound is dissolved in water, the ions in the solid separate and disperse uniformly

What is an ionic compound?

Ionic compounds contain ions and are held together by the attractive forces among the oppositely charged ions.

An ionic bond is formed by the complete transfer of some electrons from one atom to another. The atom losing one or more electrons becomes a cation—a positively charged ion.

In ionic bonds, the metal loses electrons to become a positively charged cation, whereas the nonmetal accepts those electrons to become a negatively charged anion.

When ionic compounds dissolve in water, the ions in the solid separate and disperse uniformly throughout the solution.

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Related Questions

A container of carbon dioxide (CO2) has an initial temperature of 170 K with a pressure of 50 kPa. When the container is heated the pressure is measured at 283 kPa. The volume is constant at 12 L throughout. What is the final temperature of the carbon dioxide (CO2)?
A. 1179.16 K
B. 6.94 K
C. 962.2 K
D. 391.0 K

Answers

Answer:

962.2 K

Explanation:

Ideal Gas Law Equation:

PV = nRT

Writing a Equation to find T2:

PV = nRT

(P1V)/(nT1) = R = (P2V)/(nT2)

(P1)/(T1) = R = (P2)/(T2)                  V and n cancel out since they are constant.

(P1)/(T1) = (P2)/(T2)

T2 = (P2)(T1)/(P1)

Substituting Into the Equation:

T2 = (283 kPa * 170 K)/(50 kPa)

T2 = 962.2 K

The diagram below shows three kettles with their powers and the time they take to boil 500cm3 of water. How much energy is transferred (in kilojoules, kJ) by the 1.4kW kettle while it boils the water?

Answers

The energy transferred is given as the product of power and time. The 1.4 kW kettle with boiled water produces 378 kJ of energy.

What is energy?

Energy is the quantitative property that determines the work done by the body in the form of heat and light.

The image showing the kettles with time and power is attached below.

Given,

Power of the kettle = 1.4 kW

Time taken = 4.5 minutes

If power = energy ÷ time

Then, energy = power × time

= 1.4 × 0.075

= 0.105 KWh

Therefore, 0.105 kWh or 378KJ is the energy transferred.

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Please help me answer this

Answers

Answer:

1.01

Explanation:

you have to trust me

Which law of thermodynamics relates most directly to the Law of Conservation of Energy?

Answers

Answer:

First Law of Thermodynamics

Explanation:

The first law of thermodynamics is literally another name for the law of conservation of energy.

how many principal energy levels are there

Answers

Answer:

There is an infinite number of Principal Energy Levels, see the answer for a full explanation

Explanation:

As stated above There is an Infinite number of principal energy levels, yet there are 4 main principles for principal energy; energy levels, sublevel, orbitals, and a number of electrons per sublevel.

What is the mass of 5.00 moles of KaS04?
A
34.8 grams
B
174 grams
C
675 grams
D
870 grams

Answers

Answer: D

Explanation:

I assume you meant [tex]\text{K}_{2}\text{SO}_{4}[/tex].

The atomic mass of potassium is 39.0983 g/mol.The atomic mass of sulfur is 32.065 g/mol.The atomic mass of oxygen is 15.9994 g/mol.

So, the formula mass of potassium sulfate is 2(39.0983)+32.065+4(15.9994)=174.2592 g/mol.

So, 5.00 moles have a mass of (5.00)(174.2592), which is about 870 g

9. (05.06 mc)
during an experiment, the percent yield of calcium chloride from a reaction was 80.34%. theoretically, the expected amount should have been 115 grams. what was the actual yield
from this reaction?
caco, + hc - cacl + co, + h20 (5 points)
a. 090.1 grams
b. 92.4 grams
c. 109.2 grams
d. 115.3 grams

Answers

The actual yield of the experiment given the data from the question is 92.4 g (Option B)

What is percentage yield?

This is the ratio of the actual yield to the theoretical yield of a given reaction multiplied by 100

Percentage yield = (Actual / Theoretical) × 100

What is actual yield?

This is the amount obtained from the expriment procedures

What is theoretical yield?

This is the amount obtained from simple calculations as regarding the experiment.

How to determine the actual yieldPercentage yield = 80.34%Theoretical yield = 115 gActual yield =?

Actual yield = percentage yield × theoretical yield

Actual yield = 80.34% × 115

Actual yield = 0.8034 × 115

Actual yield = 92.4 g

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Classify the following as mixtures or pure substances. (a) the vegetable soup you had for lunch (b) the fertilizer your dad spreads on the front lawn in the spring (c) the salt you sprinkle on your French fries (d) the hydrogen peroxide you cleaned a cut finger with

Answers

(a) The vegetable soup you had for lunch: mixtures substances

(b) The fertilizer your dad spreads on the front lawn in the spring:   mixtures substances

(c) the salt you sprinkle on your French fries: pure substances

(d) the hydrogen peroxide you cleaned a cut finger with:  pure substances

What are mixtures?

In chemistry and related fields, a mixture refers to a substance that is composed of two or more substances. This is the opposite of a pure substance that has not been combined with others. In the case of vegetable soup, this is a mixture because it integrates multiple substances such as water, salt, vegetables, etc.

On the other hand, a mixture is classified as homogeneous if the elements are completely integrated, and the final substance is uniform or as heterogeneous if the mixture is not uniform. In the case of the soup, this can be classified as a heterogeneous mixture because in most cases you can identify the elements in it such as pieces of vegetables and therefore it is not a uniform or homogeneous mixture.

Thus, this could be the answer.

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Which of the following materials fall in the category of a ‘‘pure substance’’?


Ice, Milk, Iron, Hydrochloric acid, Calcium oxide, Mercury, brick, wood, Air​

Answers

Answer:

1) Ice, iron, calcium oxide and mercury are pure substances since they contain particles of only one kind of matter.

2) In contrast, milk, hydrochloric acid (hydrogen chloride gas dissolved in water), brick and air cannot be called pure substances because they consists of particles of more than one kind of matter.

how many grams of hcl can dissolve in 200 g of water at 60 c?

Answers

The solubility curve is a plot of solubility against temperature.

What is solubility?

The term solubility refers to the amount of substance that dissolves in solution at a given temperature. Hence, the solubility curve is a plot of solubility against temperature.

Thus, from the solubility curve (not shown) the amount if HCl dissolved can be obtained hence the question is incomplete.

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Why can alkaline batteries not be recharged

Answers

Answer:

The biggest risk with recharging alkaline batteries is leakage. As you probably know, alkaline batteries leak even under normal circumstances. Internal off gassing, made worse by heat, creates pressure that can breach battery seals. Therefore, the risk of leakage is an even bigger risk when recharging.

A new band sensation is playing a concert and recording it for a live album to be released this summer. select all the statements that are true for band producing sound.

a) the frequency or amplitude of the sound waves will not change
b) the frequency or amplitude of the sound waves will change if the singer varies their voice
c)producing sound changes the wane from an electromagnetic wave to a mechanical wave
d)the produced sound waves are mechanical waves
e)the produced sound waves are electromagnetic waves
f) producing the sound does not change the wave type
g) producing sound changes the wave from mechanical wave to an electromagnetic wave

Answers

They travel in compressions and rarefactions and are propagated through air.

What are sound waves?

Sound waves are longitudinal waves. They travel in compressions and rarefactions and are propagated through air.

The following are true about sound waves:

the frequency or amplitude of the sound waves will change if the singer varies their voice.the produced sound waves are mechanical waves. producing the sound does not change the wave type

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Determine the unknown mineral using the information given below. Be sure to use significant figure rules when doing calculations. Mass is shown on the triple beam. Scale Test Mineral Mineral H. Density, g/cc 10 diamond tellurium 2 2.07 9 corundum galena 2.5 7.58 8 topaz anglesite 2.5 - 3 6.4 7 quartz chalcocite 2.5 - 3 5.6 6 feldspar copper 2.5 - 3 9.0 5 apatite gold 2.5 - 3 19.3 4 fluorite silver 2.5 - 3 10.5 3 calcite arsenic 3.5 5.7 2 gypsum barite 3 - 3.5 4.4 1 talc dolomite 3.5 - 4 2.9 platinum 4.5 21.5 willemite 5.5 4.0 magnetite 6 5.18 pyrite 6 - 6.5 5.02 pyrolusite 6 - 6.5 5.0 cassiterite 6.5 6.9 diamond 10 3.52 Volume of water displaced = 0.051 L
Mass: 981.0, 908, 908.1, 981 g
Density: 192.35, 19,235, 19, 19.2 g/cc
Hardness 4, 2.5, 1, 3, 5.5 - 5, 3, 2, 4.5, 1.5
Determine the unknown mineral.
Platinum, Gold

Answers

The unknown mineral is gold because of the similar properties of gold to that unknown mineral.

What is unknown mineral?

The unknown mineral is Gold because it has similar properties to the gold. Gold has density of 19.3 grams per cubic centimeter which is same to this unknown mineral. The hardness and mass of the mineral are also similar to the Gold.

So we can conclude that the unknown mineral is gold because of the similar properties of gold to that unknown mineral.

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Identify the solutions among the following mixtures
Soil, Sea water, Air, Coal, Soda water​

Answers

Answer:

Out of the above mixtures, seawater, air, and soda water are solutions.

hope this helps :3

How many
particles would
be found in a
2.74 g sample of
Beryllium sulfide?

Answers

Answer:

4.03 × 10²² particles of beryllium sulfide.

Explanation:

The formula to find the number of particles is:

Number of particles/atoms = number of moles × (6.02 × 10²³)

6.02 × 10²³ = Avogadro's number

But first, we will have to find the number of moles. This can be found using the formula:

Number of moles = mass ÷ Mr

  Mr of BeS = 9 + 32.1 = 41.1

  Number of moles = 2.74 ÷ 41.1 = 0.067 mol

Now that we know the number of moles, we can find the number of particles.

   Number of particles = 0.067 × 6.02 × 10²³

∴ Number of particles =  4.03 × 10²²

Answer:

4.03 × 10²² particles

Explanation:

Had the same question and got it correct.

how many moles of oxygen from the are needed to consume 2.49 mol c55h104o6

Answers

The answer is approximately 20

Ammonia is produced by reacting hydrogen and nitrogen gases. If 30.0L of hydrogen is mixed with 12.0L of nitrogen at the same temperature and pressure, what is the maximum volume of ammonia gas that could be produced?

Answers

[tex](2.4L)NH_3[/tex] is the maximum volume of ammonia gas that could be produced.

What is a mole?

A mole is a very important unit of measurement that chemists use. A mole of something means you have 602,214,076,000,000,000,000,000 of that thing, like how having a dozen eggs means you have twelve eggs.

Here is the balanced equation:

[tex]N_2 +3H_2[/tex] → [tex]2NH_3[/tex]

At STP, 1 mole has a volume of 22.4 Liters. To do a dimensional analysis conversion from Liters to moles:

Please observe that Liters and moles vary directly, therefore, we can simply multiply each of the coefficients (that represent moles) by

1.2 L to obtain the volumes:

[tex]\frac{N Litres}{1} \frac{1}{22.4 Litres} =\frac{N }{22.4} mole[/tex]

[tex](1.2L)N_2+(3.6L)H_2 = (2.4L)NH_3[/tex]

Hence, [tex](2.4L)NH_3[/tex] is the maximum volume of ammonia gas that could be produced.

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A balloon inflated in a room at ayo℃ has a volume
of 4,004, the balloon is then heated to a tempicture of
58°C. What is the new volume if the pressure remains constient?

Answers

Answer:

new volume = 4.458 Liters

Explanation:

A balloon inflated in a room at 24°c has a volume of 4.00Liters The balloon is heated to a temperature of 58°c.What is the new volume if the pressure remains constant

charles law

volume1/temperature1 = volume2/temperature2

temperature has to be converted to kelvin

temperature 1 = 24+273=297

temperature 2 = 58+273=

4/297 = volume2/331

volume2 = (4*331)/297

volume2 = 4.45791245791 Liters

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When an automobile engine burns gasoline, what are the energy conversions? (Hint: there are three.)

Answers

Answer:

The release of energy from fuels is used to make other forms of

energy. When gasoline burns in a car engine, some of the

chemical energy in the gasoline is converted into heat. The heat

is converted into mechanical energy. The mechanical energy

moves the car .

if you know that I am right please mark it as brainliest

Answer:

It is asking for 3 energy conversions like Mechanical energy is one of them

Explanation:

If you run this reaction with 15 g of CuCl2 and 20 g NaNO3, what is the theoretical yield of NaCl?

Answers

The theoretical yield of a substance is the amount of the mass that is calculated from stoichiometry. The mass of sodium chloride produced is 13.03 gms.

What is mass?

Mass of the substance is a multiplication of the molar mass and moles.

The balanced reaction is given as:

CuCl₂ + 2NaNO₃ ⇒ 2NaCl + Cu(NO₃)₂

Moles of copper chloride are calculated as: 15 ÷ 134.45 = 0.115 moles

Moles of sodium nitrate are calculated as: 20 ÷ 84.99 = 0.2353 moles

From the reaction, 1 mole of copper chloride gives 2 moles of sodium chloride so, 0.115 moles of copper chloride will produce 0.223 moles.

Similarly, 2 moles of sodium nitrate produce 2 moles of sodium chloride so, 0.2353 moles produce 0.4706 moles.

From this, it can be concluded that copper chloride is a limiting reagent and will be used to calculate the mass of NaCl.

Mass of NaCl is calculated as: Mass = 0.223 moles × 58.44 = 13.03 gms.

Therefore, 13.03 gms is the theoretical yield of sodium chloride.

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Calculate the volume of hydrogen chloride gas, HCl at s.t.p that would yield 1.2dm3 of 0.15mol/dm3 aqueous HCl solution. (Molar volume of a gas at s.t.p = 22.4dm3)

Answers

The volume of hydrogen chloride gas, HCl at s.t.p yielded is determined as 4.032 dm³.

Number of moles of the HCl gas yield

The number of moles of the gas yield is calculated as follows;

n = 1.2 dm³ x 0.15 mol/dm³

n = 0.18 mole

one mole of HCl gas at stp = 22.4 dm³

0.18 mole = ?

= 0.18 x 22.4 dm³

= 4.032 dm³

Thus, the volume of hydrogen chloride gas, HCl at s.t.p yielded is determined as 4.032 dm³.

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Compare the properties of the four states of matter in terms of particle arrangement, particle motion, shape, size, and compressibility.

Answers

Particle arrangement, shape, and size of the four states of matter generally decreases from solids to plasma, whereas particle motion and compressibility increases from solids to plasma.

What are the four states of matter?

The four states of matter are:

solidliquidgasplasma

Comparison of the properties of the four states of matter in terms of particle arrangement, particle motion, shape, size, and compressibility can be summarized as follows:

particle arrangement - orderliness decreases from solids to plasma particle motion - increases from solids to plasmashape - solids have definite shapes, whereas liquids, gases and plasma have no definite shapesize - solids have the largest size while plasma have the smallest sizecompressibility - solids are least compressible while plasma is most compressible

Therefore, the particle arrangement, shape, and size of the four states of matter generally decreases from solids to plasma, whereas particle motion and compressibility increases from solids to plasma.

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The conductance of the electric current through the electrolytic solution increases with
a)decrease in dilution
b)increase in dilution
c)increase in concentration
d)low degree of ionization

Answers

The conductance of the electric current through the electrolytic solution increases with increase in concentration.

What is electrolytic solution?

Electrolytic solutions are solutions that are capable of conducting an electric current due to presence of ions.

The current flowing in an Electrolytic solutions is calculated as;

Q = It

I = Q/t

where;

Q is charges

Increase in the concentration of the charges, increases the amount of charges in the solution and hence the conductance of the solutions will increase as well.

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how many grans of NaoH Are needed to neutralize grans of H2So4​

Answers

Answer :]

to convert from g NaOH to mol NaOH. = 1.48 g NaOH are needed to neutralize the acid.

Which is one possible way that animals would most likely be affected by this action?

Some animals would adapt.
Some animals would go extinct.
Some animals would evolve.
Some animals would be forced to migrate.

Answers

Some animals would be forced to migrate due to cutting of forest , Option D is the correct answer.

The complete question is

Humans clear-cut a forest. Which is one possible way that animals would most likely be affected by this action? Some animals would adapt. Some animals would go extinct. Some animals would evolve. Some animals would be forced to migrate.

What is deforestation ?

Deforestation means cutting down trees of the forest for wood , or for making more space for living.

Deforestation leads to destruction of habitats of animals .

The balance of the nature gets disturbed , the sea and water bodies get dried up , leading to no water for the animals in the forest.

Animals need big bushes and trees to hide and live.

The Ecosystem gets destroyed because of the cutting of trees by human and so this has lead the animals to migrate.

Therefore Option D is the correct answer.

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Select all statements that correctly describe the stability of eclipsed and staggered conformers. Multiple select question. Staggered conformers possess torsional strain. Eclipsed conformers possess torsional strain. Staggered conformers are lower in energy than eclipsed conformers. Electron-electron repulsion between bonds in an eclipsed conformer may contribute to the low energy of this conform

Answers

Eclipsed conformers possess torsional strain and Staggered conformers are lower in energy than eclipsed conformers are TRUE about the stability of conformers.  

What does 'eclipsed conformers' mean?

Eclipsed conformers are molecular arrangements where two substituents are very close and thus produce torsion.

Moreover, Staggered conformers are molecular arrangements where substituents are found at a maximum length.

In conclusion, Eclipsed conformers possess torsional strain and Staggered conformers are lower in energy than eclipsed conformers are TRUE about the stability of conformers.  

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PLEASE I REALLY NEED HELP!!! ITS NOT MULTIPLE CHOICE BTW :'(

A 76.0-gram piece of metal at 96.0 °C is placed in 120.0 g of water in a calorimeter at 24.5 °C. The final temperature in the calorimeter is 31.0 °C. Determine the specific heat of the metal. Show your work by listing various steps and explain how the law of conservation of energy applies to this situation.

Answers

Answer:

660J/kg.°C

Explanation:

Using the fact that

∆E of metal + ∆E of water = 0

∆E of the metal = Q = m*c*(T2-T1)

Where

Q = heat lost or gained = ?

m = mass of metal in kg = 0.076kg

c = specific heat of the metal = ?

T1 = 96°C

T2=31°C

∆E of the water=Q= m*c*(T2-T1)

Where

Q = 0.120*4180*6.5 = 3260J

Therefore

3,260J + Q of the metal =0

3,260J + 0.076*C*(31.0–96.0)=0

3,260J - 4.94c = 0

3,260 = 4.94c

3,260/4.94 = c

660J/kg.°C = specific heat of the metal

hope this helps:)

How many atoms are in 3.2 moles of N2

Answers

Answer:

38.54 x 10^23 atoms of N2

Explanation:

Each mole contains Avagadro's Number ( 6.022 x10^23) of particles

   3.2   x     6.022 x 10^23 = 19.27 x 10^23 MOLECULES

   N2  is TWO atoms    soooo    2 x 19.27 x 10^23 = 38.54 x 10^23 atoms

When an atom loses an electron, it becomes d. ionized. e. a plasma. a. dissociated. b. an isotope. c. sublimated.

Answers

Answer:

When an atom loses an electron it becomes ionized

What is the name of the configuration management procedure that involves the collection of information about a system under normal operating conditions, to be used as a comparison when conditions are abnormal

Answers

The name of the configuration management procedure that involves the collection of information about a system under normal operating conditions is Baselining.

What is Baselining?

Baselining is a management process used to analyze a collection of information about a particular system.

This procedure (Baselining) is well known to analyze computer performance in a given network.

In conclusion, the name of the configuration management procedure that involves the collection of information about a system under normal operating conditions is Baselining.

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Select ALL the correct answers. Let f(t) be the amount of garbage, in tons, produced by a city, and let t be the time in years after 2000. Which statements are true for the given function? When f(12) = 2,155, the 12 represents "12 tons of garbage produced," and the 2,155 represents "the year 2155." The independent variable is t. The dependent variable is f(t). The independent variable is f(t). The dependent variable is t. When f(4) = 1,458.6, the 4 represents "the year 2004," and the 1,458.6 represents "1,458.6 tons of garbage produced." When f(2) = 1,323, the 2 represents "the year 2002," and the 1,323 represents "1,323 tons of garbage produced." Reset Next Find the area of the sector in terms of pi. 170 6 Area = [?] T A large construction company wants to review the ages of its sales representatives. A sampling of the ages of 25 sales reps are given:50 42 32 35 41 44 24 46 31 47 36 32 30 44 22 47 31 56 28 37 49 28 42 38 45The following histogram is a representation of the data.A histogram has ages on the x-axis, and frequency on the y-axis. Ages 20 to 24 has a frequency of 2, 25 to 29 is 2, 30 to 34 is 5, 35 to 39 is 4, 40 to 44 is 5, 45 to 49 is 5, 50 to 54 is 1, 55 to 59 is 1.Calculate the mean and median ages.a.The mean age is 38.28. The median age is 38.b.The mean age is 38. The median age is 38.28.c.The mean age is 37.08. The median age is 38.d.The mean age is 36.88. The median age is 37.08.Please select the best answer from the choices providedABCD Which is the best definition of the term outsourrce Select the incorrect use(s) of language for a formal text.Dear Sir,I'd like to apply for the position of Warehouse Assistant/Forklift Truck Driver advertised on yr website for the Euro Games Grades 3, 4, and 5 have their annual field day together. Each grade is given 15 gallons of water. If there are a total of 370 students, will there be enough water for each student to have 2 cups? First, solve for how many cups the students have. pls help me?!?flit, sipping, kissedA) how actions.B) describe feelings.C) compare objects.D) name things. According to "The Future of Money," what are records stored on a computer connected to cryptocurrency called? The table shows information about the population of a town. emily takes a random sample of 90 people from the town. 40 of these people have not been to their doctor in the last year. work out an estimate for the number of people in the town who have not been to their doctor in the last year (2 marks)] A bowl contains 28 black, 21 red, 23 blue, and 10 green ballsA ball is drawn at random. P (blue). There is 2.50m of rope and 11.5 inch pieces are cut. How many centimeters of rope will be left over? What does s(8) = 6.0 mean in terms of this problem?A.A tree that is 6 years old is 8 meters tall.B.A tree that is 8 years old is 6 meters tall.C.8 different trees are 6 meters tall.D.6 different trees are 8 meters tall. which phrase best describes the author introduces the subject of louisa may alcott to the reader A man claims to have extrasensory perception (ESP). As a test, a fair coin is flipped 23 times, and the man is asked to predict the outcome in advance. He gets 20 out of 23 correct. What is the probability that he would have done at least this well if he had no ESP which chemicals were common forms of anesthesia in the civil war? Please could you explain this step by step Im really stuck. Which of the following are Phylogenetic trees also known as Choose the agency that you will research.Environmental Protection Agency Food and Drug AdministrationFederal Emergency Management Association Why is it a good idea to study experimental subjects in their natural environment? OA. So that a specific problem can be solved as quickly as possible OB. So that the experiment is cheaper and easier to conduct C. So that they respond to the test as they would under normal conditions O D. So that no one else will know what is being studied What does Holmes realize about the lumps of clay and sand he finds in Professor Soames's rooms in The Adventure of the Three Students? A. They came from the university's athletic fields. B. They were brought into the room by Mr. Bannister. C. They are not important to solving the case. D. They suggest that Miles McLaren stole the exam questions.