A student uses the apparatus to determine the concentration of a solution of hydrofluoric acid. Which component will the student put in the burette?.

Answers

Answer 1

Answer: Titrant

Explanation: make me brainlets


Related Questions

Which statement is always true when describing sex-linked inheritance?.

Answers

Answer:

The alleles are found on the X or Y chromosome.

How did buddhism influence east asian arts and crafts.

Answers

Adopting the Buddhist way of paying homage through art, Taoist art began being created and China developed its architectural culture.

Identify the type of bonding within each substance.

Answers

Answer:

1. Co ( s ) - metallic bonding

2. CoCl₂ ( s ) - ionic bonding

3. CCl₄ ( l ) - covalent bonding

Explanation:

Metallic bonding -

It is the type of bonding present between the atoms of the metals , via the electrostatic interaction between the metal and the delocalized electrons , is known as metallic bonding .

For example ,

Mostly metals show metallic bonding .

Ionic bonding -

It is the type of bonding present between the ions i.e. , the cation and the anion is known as ionic bonding .

For example ,

Mostly ionic compound , like salts show ionic bonding .

Covalent bonding -

It is the type of bonding which is present between shared pair of electrons , is known as covalent bonding .

For example ,

Most of the carbon compounds are capable to show covalent bonding .

Hence , from the question ,

1. Co ( s ) - metallic bonding

2. CoCl₂ ( s ) - ionic bonding

3. CCl₄ ( l ) - covalent bonding  

Solve for x in the equation x^2-8x+41=0.

Answers

x^2-8x+41=0
x-8x+41=0
-7x+41=0
-7x=-41
x=41/7
Hope that helped :D

Ryan invests a sum of money in a savings account with a fixed annual interest rate of 4. 31.

Answers

The amount of his initial investment is $8361

The complete question says:

Ryan invests a sum of money in a savings account with a fixed annual interest rate of 4.31% compounded 12 times per year. After 10 years, the balance reaches $12,855.94. What was the amount of the initial investment?

The initial investment is the amount required to start a particular project,  and the amount of the initial investment can be calculated by using the compound interest formula:

[tex]\mathbf{A = P(1 + \dfrac{r}{n})^{nt}}[/tex]

where;

A = amountP = Principalr = interest rate n = number of months

[tex]\mathbf{12855.94 = P(1 + \dfrac{0.0431}{12})^{12 \times 10}}[/tex]

[tex]\mathbf{12855.94 = P(1 +0.003591666667)^{120}}[/tex]

[tex]\mathbf{12855.94 = P(1.53760)}[/tex]

[tex]\mathbf{P= \dfrac{12855.94}{(1.53760)} }[/tex]

P = $8361.043

P ≅ $8361

Therefore, we can conclude that the amount of the initial investment is $8361

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For the lunch special at a high school cafeteria, students can get either salad or french fries as a side order. The following table shows the number of each side order for the lunch specials purchased on one day, classified by the grade of the student.

Answers

The probability that the student that's selected will be in grade 10 given that the student ordered French fries as the side will be 71/248.

From the information given, the number of students that are in grade 10 is 105. Out of all the students, 34 had salad and 71 had French fries. The total students in the school that are French fries was 248.

Therefore, the probability that the student that's selected will be in grade 10 given that the student ordered French fries as the side will be calculated thus:

= Number of students who French fries in grade 10 / Total number of people that had French fries

= 71/248

In conclusion, the correct option is 71/248.

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Rami is graduating high school in the spring. He is interested in becoming a electrician. What are his options for learning this trade? select all that apply.

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To be a licensed electrician requires deep knowledge of the field. Rami's  options for learning this trade are;

He should applied degree at a two year college or He can study for a bachelor's degree at a four year collegeApprenticeship and trade school

A licensed electrician job is not easy to obtain. It requires studying, years of being an apprentice or attending school, and years of  work experience.

To be a licensed electrician, these steps should be followed:

Earn a high school diploma or Its equivalent. Try and attend a trade or vocational-technical school. Sign up as an electrician apprentice.   Get licensed or certified.

See full question blow

Rami is graduating high school in the spring. He is interested in becoming a electrician. What are his option  learning this trade? Select all that apply.

applied degree at a two year college bachelor's degree at a four year college vocational training in the military apprenticeship and trade school going directly into the workplace

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Answer: 1) applied degree at a two year college

3) Vocational training in the military

4) apprenticeship and trade school

Explanation: did on edge :)

A spherical balloon is inflating with helium at a rate of. How fast is the​ balloon's radius increasing at the instant the radius is ​ft? how fast is the surface area​ increasing?.

Answers

Using implicit differentiation, and considering that the inflation rate is of 200 cubic feet per minute and the radius is of 5 feet, it is found that:

The radius is increasing at a rate of 0.6366 feet per minute.The surface area is changing at a rate of 80 feet squared per minute.

The volume of an sphere of radius r is given by:

[tex]V = \frac{4\pi r^3}{3}[/tex]

Applying implicit differentiation, the rate of change is given by:

[tex]\frac{dV}{dt} = 4\pi r^2\frac{dr}{dt}[/tex]

For this problem:

Inflation rate of 200 cubic feet per minute, hence [tex]\frac{dV}{dt} = 200[/tex]Radius is of 5 feet, hence [tex]r = 5[/tex]

Then:

[tex]\frac{dV}{dt} = 4\pi r^2\frac{dr}{dt}[/tex]

[tex]200 = 4\pi (5)^2\frac{dr}{dt}[/tex]

[tex]\frac{dr}{dt} = \frac{200}{100\pi}[/tex]

[tex]\frac{dr}{dt} = 0.6366[/tex]

The radius is increasing at a rate of 0.6366 feet per minute.

The surface area is:

[tex]S = 4\pi r^2[/tex]

Hence, the rate of change is:

[tex]\frac{dS}{dt} = 8\pi r\frac{dr}{dt}[/tex]

Hence:

[tex]\frac{dS}{dt} = 8\pi (5)(0.6366) = 80[/tex]

The surface area is changing at a rate of 80 feet squared per minute.

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4 t-shirts and a hat costs £31. 00 2 t-shirts and a hat costs £17. 0. How much does a t-shirt cost? how much does a hat cost?.

Answers

Answer:

T-Shirt Cost = £7

Hat Cost = £3

Explanation:

Important Information:

4 t-shirts and a hat costs £31.00

2 t-shirts and a hat costs £17.00.

Here we assume t-shirt be x and hat be y.

Explanation/Solution:

Based on the above information, the calculation is as follows:

4x + y = 31

2x + y = 17

Now subtract equation 2 from 1

2x = 14

x = 7

So y is

4(7) + y = 31

28 + y = 31

y = 3

Therefore we can conclude that The t-shirt cost £7 and Hat cost £3.

Write your own lyrics in english using the music/rhythm of your favorite song.

Answers

Fall into sea
Another way to go, peacefully
Take your time
The money holder says get in line
Forget the colored stars in your mind

Back, back and fourth doubled as a curse, you’re falling short
Both, both are wrong
Excessive as it is, it’s way to long
Push your way through, you’re too strong

I’ve got something to say
Tied in your macramé tears
Fighting off evil things space is what love can bring, now

Persistent like a dog, locked up in your demagogue, go
Play it off like a joke, locked up in gentle strokes, no

Too and forth i make mistakes
Remember about this place, i know
We never know what to say, i know.

Do you ever wish your dreams could come true?

Dream of things that won't make you boo.

Dreams can come real,

just make sure you make them feel.

If it's a nightmare make sure you hide up the back stairs,

and if it's a good dream make sure you make it seen.

So I really wish dreams were real,

that way I could start to feel.

Explanation: Sorry it isn't that good I did the best I could. It's also rrrreeeealllllllyyyyy short sooo.......

You can have ice cream you finish your dinner.

Answers

"You can have ice cream while you finish your dinner" does not make sense in context, as ice cream is usually reserved for dessert.

Which of the following is a difference between phase i and phase ii of meiosis?(1 point).

Answers

AnswerHowever, Meiosis I begins with one diploid parent cell and ends with two haploid daughter cells, halving the number of chromosomes in each cell. Meiosis II starts with two haploid parent cells and ends with four haploid daughter cells, maintaining the number of chromosomes in each cell.:

Explanation:

A package of nuts contains 3 servings, and each serving contains 150 calories. If you eat the entire package, how many calories did you consume?.

Answers

Answer:

450 calories 150 x 3 equals 450

Jonathon works for a u. S. Company that doesn't produce goods domestically, but instead buys them from other countries and resells them in the united states. Jonathon's company illustrates the concept of.

Answers

Companies are known to have different areas at which they trade. Jonathon's company illustrates the concept of importing.

Importing  by a firm simply means that a company/firm often buys goods outside the country and then resells them domestically.

Importing is don by bringing products or services into a country with the aim to sale that have been produce in another country.

Some U.S. companies are often engage in buying of products overseas and shipping them into the U.S. for sale, or as part of a product that is being assembled in the U.S.

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I often relate to the following groups early childhood brainly.

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whaaaaat ???????????

Which set of equations is enough information to prove that lines c and d are parallel lines cut by transversal p? m∠1 = 81° and m∠2 = 99° m∠3 = 99° and m∠4 = 99° m∠2 = 99° and m∠4 = 99° m∠4 = 81° and m∠1 = 81°.

Answers

The set of equation that is enough information to prove that lines c and d are parallel lines cut by transversal p is m∠2 = 99° and m∠4 = 99°. The c.

What are transverse lines?

A transversal line is a line that crosses two or more other lines at different locations.  Line l meets a and b in the image below at two different locations, P and Q. Line l is the transversal line as a result.

When a transversal cuts two lines so that their subsequent interior angles are supplementary, the lines are said to be parallel. Two lines are parallel to one another if they are both parallel to the same line. When the marked consecutive internal angles are supplementary, lines m and n are parallel.

Therefore, the correct option is c, m∠2 = 99° and m∠4 = 99°.

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The question is incomplete. Your most probably complete question is given below: the image is added.

The set of equation that is enough information to prove that lines c and d are parallel lines cut by transversal p is m∠2 = 99° and m∠4 = 99°. The c.

What are transverse lines?

A transversal line is a line that crosses two or more other lines at different locations.  Line l meets a and b in the image below at two different locations, P and Q. Line l is the transversal line as a result.

When a transversal cuts two lines so that their subsequent interior angles are supplementary, the lines are said to be parallel. Two lines are parallel to one another if they are both parallel to the same line. When the marked consecutive internal angles are supplementary, lines m and n are parallel.

Therefore, the correct option is c, m∠2 = 99° and m∠4 = 99°.The set of equation that is enough information to prove that lines c and d are parallel lines cut by transversal p is m∠2 = 99° and m∠4 = 99°. The c.

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A photographic stop bath contains 160ml of pure acetic acid.

Answers

Answer:

Solving for the Percent by Volume

The v/v concentration of acetic acid in the stop bath is 24.6%.

Explanation:

To answer the question, we need to identify certain information stated in the question. Let us write down what’s given:

Volume of solute = 160 mL

Volume of solution = 650 mL

Next, we need to determine what is required, in this case, the percent by volume. Now, let us look at the formula:

v/v concentration = (solute volume / volume of the solution) * 100

Solution:

Percent by Volume = (160 / 650) * 100

Percent by Volume = 0.2461538461538462 * 100

Percent by Volume = 24.61538461538462

Rounded off = 24.6%

Therefore, the final answer is 24.6%

Explanation:

Imagine that you are a writer for a leading newspaper company in the philippines brainly.

Answers

If I was a writer, the implementation of a 24-hour curfew for minors in time of pandemic is vital in order to keep them safe.

This is an incomplete question. The question is about the implementation of a 24-hour curfew for minors in time of pandemic. A pandemic is an epidemic of an infectious disease which has spread over large regions and has affected several individuals.

During a pandemic, there's an outbreak of diseases that can be transmitted from person-to-person contact. Therefore, it's important for people to be safe.

To address this issue, there should be an implementation of a 24-hour curfew for minors in the time of pandemics. This is vital to keep them safe.

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The heat required to change 1 gram of a solid at its normal melting point.

Answers

By definition, the heat required to change 1 gram of a solid at its normal melting point is called heat of fusion.

Latent heat is defined as the energy required by a quantity of substance to change state.

When this change consists of changing from a solid to a liquid phase, it is called heat of fusion and when the change occurs from a liquid to a gaseous state, it is called heat of vaporization.

Fusion is the process by which a solid becomes a liquid phase. In this case, the temperature remains constant throughout the time that the solid turns into a liquid.

This occurs because in the solid phase the molecules are held together forming a rigid crystalline structure, in such a way that the substance has a defined shape and volume. As heat is supplied, the energies of the solid's particles gradually increase. After a certain time, this energy becomes so great that some of the particles exceed the force that kept them in their fixed positions.

In this way, the greatest separation between the particles is associated with the liquid phase.

Thus, the energy absorbed by the substance is used to separate the molecules more than in the solid phase, so that the temperature does not increase during the change of state.

In summary, it is called "heat of fusion", the energy required to change 1 gram of substance from a solid state to a liquid state, without changing its temperature.

In others words, the heat required to change 1 gram of a solid at its normal melting point is called heat of fusion.

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Which correctly applies the distributive property to show an equivalent expression to (8. 6)(–2. 5)? (8)(2) – (0. 6)(0. 5) (8)(–2) – (0. 6)(–0. 5) (8. 6)(2) – (8. 6)(0. 5) (8. 6)(–2) + (8. 6)(–0. 5).

Answers

Answer:

the answer is D or the forth answer or (8.6)(–2) + (8.6)(–0.5)

Explanation:

I know because I am doing the test right now

A __________ is a group of words containing a subject and a predicate, but is not a sentence on its own. Phrase independent clause subordinate clause compound sentence.

Answers

Answer:

A subordinate clause is a group of words containing a subject and a predicate but is not a sentence on its own.

Explanation:

Ex:

after I ate lunch

because I am short

Jacob followed a recipe that requires 2 cups of water for ever 3 cups of flour. If he used 8 cups of flour, how many cups of water did he use?.

Answers

Answer:

I think he uses 5 1/2 cups of water.

Answer:

5 1/3

Explanation:

So just don't get overwhelmed and you'll make it out.

Answers

the answer you have stated is in fact correct, “you will make it out sometimes”

Consider the following line integral. C xy dx + x2y3 dy, c is counterclockwise around the triangle with vertices (0, 0), (1, 0), and (1, 4).

Answers

It looks like the integral is

[tex]\displaystyle \int_C xy \, dx + x^2y^3 \, dy[/tex]

Let's close the loop by adding a line integral over the line segment joining (1, 4) to (0, 0). Then the closed loop is the triangular region

T = {(x, y) : 0 ≤ x ≤ 1 and 0 ≤ y ≤ 4x}

Since the integrand has no singularities over or on the boundary of T, we have by Green's theorem

[tex]\displaystyle \int_C xy \, dx + x^2y^3 \, dy = \iint_T \left(\frac{\partial(x^2y^3)}{\partial x} - \frac{\partial(xy)}{\partial y}\right) \, dx \, dy = \int_0^1 \int_0^{4x} (2xy^3 - x) \, dy \, dx[/tex]

Compute the double integral:

[tex]\displaystyle \int_0^1 \int_0^{4x} (2xy^3 - x) \, dy \, dx = \int_0^1 \int_0^{4x} \left(128x^5 - 4x^2\right) \, dx = \frac{60}3[/tex]

From this result, we subtract the line integral over the extra line segment we added. Parameterize this path by

C' : {(1 - t, 4 - 4t) : 0 ≤ t ≤ 1}

The line integral over C' is

[tex]\displaystyle \int_{C'} xy \, dx + x^2y^3 \, dy = \int_0^1 (1-t)(4-4t)(-dt) + (1-t)^2(4-4t)^3(-4\,dt)[/tex]

[tex]\displaystyle \int_{C'} xy \, dx + x^2y^3 \, dy = \int_0^1 \left(256 t^5-1280 t^4+2560 t^3-2564 t^2+1288 t-260 \right) \, dt = -44[/tex]

so that the line integral over C alone is 60/3 - (-44) = 64.

Which is a solution to the equation? (x −2)(x 5) = 18 x = −10 x = −7 x = −4 x = −2.

Answers

(x−2) (x⋅5) = 18 = x=5 + √1155,5 − √1155

x=−7==−7 : x=−4==−4 : x=−2==−2

Answer:

d

Explanation:

What is the vertex form of the equation? y = – x 2 + 12 x – 4.

Answers

Answer:

(6,32)

Explanation:

Which strategy used in the above essay appeals to the audience’s sense of logic? a) use of details b) appeal to ethics c) attention grabber d) emotional language.

Answers

Answer:

A) Use of details

Explanation:

Got it right on the test :)

Answer:

A) Use of details

Explanation:

Adam by hugh cook meaning.

Answers

the poem focuses on Adam, the first person in Heaven, who had eaten the forbidden fruit. so the message is do what god tells you and if he tells you not to do something don't do it

According to the electron-cloud model of the atom an orbital is a.

Answers

Answer:

orbital is a axis where electron revolvs

A significant factor in the exponential population growth over the past two centuries is:.

Answers

A significant factor in the exponential population growth over the past two centuries is; good sanitation and medical advances.

In exponential growth, the rate of the growth in population usually increases over time and this is usually directly proportional to the size of the population.

Now, this rate discussed above usually causes the population to increase much more faster.

We can say that good sanitation and medical advances will contribute to the exponential growth of the human population due to the fact that when an environment is clean, it will prevent the accumulation of dirt and infectious particles to accumulate inside the body which means less contraction of deadly diseases.

Secondly, medical advances have helped in curing of deadly diseases that cause more deaths and this means the death rate will decrease and population will increase.

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