What is the molar mass of diazepam (valium ® ) if 0. 05570 mol has a mass of 15. 86 g ?.

Answer:

50 km. explanation : you divide 6 by 300 you get 50 that's the answer

Using conservation of momentum, we will see that the new velocity is 12 m/s.

We know that the momentum un a closed system must be conserved, in this case, our system is the cart and the block.

Initially, the cart moves with a velocity of 15 m/s, and has a mass of 800 kg, then the initial momentum is:

P = 15m/s*800kg = 12,000 kg*m/s

Then a block of 200kg is dropped on the cart, so the new mass of the cart is 1,000 kg, then the new momentum is:

P = 1,000kg*V'

Where V' is the new velocity, and by conservation of momentum, we must have that:

12,000 kg*m/s = 1,000kg*V'

( 12,000 kg*m/s)/1,000kg = V' = 12 m/s.

The new velocity of the cart is 12 m/s.

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Answer: This is called Hybrid speciation. So its true

hope this helps!

Answer: A poster may not receive wide attention if it uses images that people do not relate to or dislike.

Explanation: Did the test.

Using the values given for the take home and tax as 227% , we assumed a gross pay of x value and found the gross pay to be $1923.076

Given Data

Take home pay = $1500

Tax = 22% of gross

Let the gross pay be x

Hence, let us find 22% of x

= 22/100*x

=0.22x

Amount of pay = 0.22x

We know that the Take home pay is  = Gross - Tax

Substituting our data we have

1500 = x-0.22x

1500 = 0.78x

Divide both sides by 0.78

x = 1500/0.78

x = $1923.076

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Answer:

mostly by carriage along the National Road

Explanation:

Professor Thomas and his assistants should use Random assignment because the two groups result from the different amount of people to which they are exposed.

In psychology experiments, random assignment relates to the usage of probability processes to guarantee that each participant has the same probability of being allocated to any particular group.

The two groups result from the different amount of people in the room to which the groups are exposed, the researchers would use random assignment.

This method is used in a psychological experiment, as a chance procedure to ensure that every single participant has the same probability of getting assigned in any mentioned group.

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Answer:

changes to natural systems by landscape modification

If an electron moves in the direction of the electric field, the electric potential decreases.

An electric field is a field surrounding all particles that have charge when place in the field. An electric field exerts a force on the particles which can either attract or repel the charged particles. It is given in force per unit charge.

If an electron moves in the direction of the electric field, the electric potential decreases.

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The cross-sectional area of the parabolic tunnel is 31415.93 ft²

A parabolic tunnel assumes the shape of a hemisphere and the cross-sectional area of a hemisphere can be calculated by using the formula:

Area of a parabolic tunnel = πa²

Since the parabolic tunnel assumes the shape of a hemisphere:

Area of a parabolic tunnel = πa²

Area of a parabolic tunnel = π(100)²

Area of a parabolic tunnel = 31415.93 ft²

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Answer:

600 atoms

Explanation:

Molecules are formed when two atoms of the SAME or DIFFERENT combine together.

Atoms are the smallest unit of matter that combines to form a compound.

Given number of molecules = 300 molecules

In 1 mole of the given chemical compound, there are 2 atoms of carbon, 4 atoms of hydrogen and 2 atoms of oxygen

Number of atoms of oxygen = 2× Number of molecules of compound.

i.e

Number of atoms of oxygen = 2× 300

600 is the answer.

The emf of the solar cell moving the electrons from the positive to the negative terminal is 1.5 V

The electromotive force (EMF) is defined as the energy supplied by a battery per unit charge. Mathematically, it can be expressed as:

Electromotive force (EMF) = Work (W) / charge (Q)

EMF = W / Q

EMF = W / Q

EMF = 2.4×10¯¹⁹ / 1.6×10¯¹⁹

EMF = 1.5 V

Light from the sun allows a solar cell to move electrons from the positive to the negative terminal, doing 2.4×10−19 J of work per electron. What is the emf of this solar cell?

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Answer:

45 square centimetres

Explanation:

we know that

the area of the figure is equal to the area of a rectangle plus the area of two right angles .

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The largest possible value of f(x) will be -∞.

For solving this question, you can calculate the limit of f(x) for x→∞.  Since the definition of limit is: the limit of  f(x), as x approaches b , equals L. See:  [tex]\lim _{x\to \ b \:}f(x))=L[/tex]

Therefore:

[tex]\lim _{x\to \infty \:}\left(5-\left(x-3\right)^2\right)\\ \\ \lim _{x\to \infty \:}\left(5\right)-\lim _{x\to \infty \:}\left(\left(x-3\right)^2\right)[/tex]

Applying the Constant Law -   The limit of a constant is the constant itself: [tex]\lim _{x\to \infty \:}\left(5\right)=5[/tex]

Applying the Difference Law -  The limit of a difference is the difference of the limits: [tex]\lim _{x\to \infty \:}\left(\left(x-3\right)^2\right)=\infty[/tex]

Thus,

[tex]\lim _{x\to \infty \:}\left(5-\left(x-3\right)^2\right)= \lim _{x\to \infty \:}\left(5\right)-\lim _{x\to \infty \:}\left(\left(x-3\right)^2\right)= 5- \infty=- \infty[/tex]

The largest possible value of f(x) will be -∞.

The result is consistent since it is possible to note that [tex](x-3)^2[/tex]positive number. Also, see that there is a difference between 5 and  [tex](x-3)^2[/tex]-∞.

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Answer:

High Pressure and low temperatures

Explanation:

You're Welcome

The example of biodiversity being impacted on the species level is the organisms having a variety of traits present.

This is a measure of the variation of the genetics in organisms which often gives rise to the exhibition of different traits.

An example is a deer in an ecosystem in which the tail could be of different colors such as white, black etc which represents biodiversity.

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The maximum monthly rent Isaac can afford is $1,329

Gross salary is the total amount of money one receive annually.

We know that the maximum rent must be less than or equal to 28% of Gross Monthly Pay.

We will find out Isaac's Gross Monthly Pay by dividing Isaac's Gross Annual Pay by 12 (the number of months in a year)

= $56,953 / 12

= $4,746.08

Find out the maximum monthly rent he can afford

= 28%

= 28 / 100

= 0.28

Multiply Isaac's Gross Monthly Pay by 0.28

= $4,746.08 *  0.28

= $1,329

Hence, the maximum monthly rent Isaac can afford is $1,329

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Answer:

$1,329

Explanation:

Took the test and this is correct

Answer:

// Solve equation [1] for variable x

[1] x = -2y + 5

// Plug this in for variable x in equation [2]

[2] 3•(-2y+5) + 5y = 14 [2] - y = -1

// Solve equation [2] for variable y

[2] y = 1

// Now we know this:

x = -2y+5 y = 1

// Use the y value to resolve x

x = -2(1) +5 = 3

Workaround:

{x,y} = {3,1}

Answer:

What is the concern of the moon regarding his stars?

The moon was worried about the sun being so fond of their children-the stars. Whenever the sun embraces their children-the stars, they burn which was why the moon has then forbid the sun from going near their children.

Explanation:

An acid is a polar substance that dissolves in water and gives hydrogen ions

[tex] {h}^{ + } [/tex]

An acid is a polar substance that dissolves in water and produces hydrogen ions.

An acid is a chemical that, when added to water, releases hydrogen (H+) ions. A hydrogen ion is made up solely of a proton. When examining the chemical formulas of various acids, we can see that they all include at least one hydrogen (H).

Any acid that entirely ionizes in solutions is considered a strong acid. This indicates that when dissolved in a solution, it emits the most hydrogen ions or protons.

For instance: Hydrochloric acid or HCl Acids are examples of organic chemicals that belong to the carboxylic acid, sulfonic acid, and phenol groups as well as the inorganic substances known as the mineral acids, such as sulfuric, nitric, hydrochloric, and phosphoric acids.

Therefore, a polar chemical that dissolves in water to form hydrogen ions is an acid.

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Answer:

Percentage of his gross pay which is take-home pay is 80.35%.

Explanation:

Answer: 80%

Explanation:

756.72/3851= 0.19

0.19 to a percent is 19%

The deductions 756.72 is 19% of Gavin's gross pay

Therefore, 81% is take-home pay.

Carbohydrates are used to produce energy (glucose), while proteins determine the shape and structure of cells and transport other substances in the body, whether nutrients, hormones.

They are macromolecules that are formed mainly by carbon and hydrogen atoms, they contribute to the storage and obtaining of energy.

It is a macromolecule composed of amino acids that appear chained that direct almost all the vital processes in the organism.

Therefore, we can conclude that carbohydrates are used as a source of energy, while proteins are responsible for giving shape and support to cells and transport other substances in the body.

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The correct answer is Carbohydrates and proteins can both be used for energy by the cell.

Answer:

461 = dividend

3 = divisor

Explanation:

Step 1:

Start by setting it up with the divisor 3 on the left side and the dividend 461 on the right side like this:

   3 ⟌ 4 6 1

Step 2:

The divisor (3) goes into the first digit of the dividend (4), 1 time(s). Therefore, put 1 on top:

       1    

   3 ⟌ 4 6 1

Step 3:

Multiply the divisor by the result in the previous step (3 x 1 = 3) and write that answer below the dividend.

       1    

   3 ⟌ 4 6 1

      3    

Step 4:

Subtract the result in the previous step from the first digit of the dividend (4 - 3 = 1) and write the answer below.

       1    

   3 ⟌ 4 6 1

     - 3    

       1    

Step 5:

Move down the 2nd digit of the dividend (6) like this:

       1    

   3 ⟌ 4 6 1

     - 3    

       1 6  

Step 6:

The divisor (3) goes into the bottom number (16), 5 time(s). Therefore, put 5 on top:

       1 5  

   3 ⟌ 4 6 1

     - 3    

       1 6  

Step 7:

Multiply the divisor by the result in the previous step (3 x 5 = 15) and write that answer at the bottom:

       1 5  

   3 ⟌ 4 6 1

     - 3    

       1 6  

       1 5  

Step 8:

Subtract the result in the previous step from the number written above it. (16 - 15 = 1) and write the answer at the bottom.

       1 5  

   3 ⟌ 4 6 1

     - 3    

       1 6  

     - 1 5  

         1  

Step 9:

Move down the last digit of the dividend (1) like this:

       1 5  

   3 ⟌ 4 6 1

     - 3    

       1 6  

     - 1 5  

         1 1

Step 10:

The divisor (3) goes into the bottom number (11), 3 time(s). Therefore put 3 on top:

       1 5 3

   3 ⟌ 4 6 1

     - 3    

       1 6  

     - 1 5  

         1 1

Step 11:

Multiply the divisor by the result in the previous step (3 x 3 = 9) and write the answer at the bottom:

       1 5 3

   3 ⟌ 4 6 1

     - 3    

       1 6  

     - 1 5  

         1 1

           9

Step 12:

Subtract the result in the previous step from the number written above it. (11 - 9 = 2) and write the answer at the bottom.

       1 5 3

   3 ⟌ 4 6 1

     - 3    

       1 6  

     - 1 5  

         1 1

     -     9

           2

You are done, because there are no more digits to move down from the dividend.

The answer is the top number and the remainder is the bottom number.

Therefore, the answer to 461 divided by 3 calculated using Long Division is:

153

2 Remainder

Consult the balanced reaction:

O₂ + 2 H₂   ⇄   2 H₂O

which says you need twice as many moles of H₂ as O₂. So if 1.57 mol O₂ is available, then the reaction would consume 2 × 1.57 = 3.14 mol H₂.

The expression for the temperature is T = P/(ρ*R)

The general expression for an ideal gas is:

PV = nRT

Where:

If we divide both sides by the volume we get:

P = (n/V)*R*T

And n/V is the particle density, then we get:

P = ρRT

Now we isolate T, the temperature, to get:

T = P/(ρ*R)

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Answer: To explain why letting go of pianos is acceptable at times

Explanation: Paragraph 7 talks about how broken down pianos may not be such a bad thing. Evidence: "So the pruning of a century’s worth of neglected home pianos might not be such a bad thing, if we continue to cherish the music."

the staar benchmarks are really annoying :/

The explanation of  why letting go of pianos is acceptable.

As per the seventh paragraph of the article, the old blue pianos refer to the pianos that may not have been played or used and thus pruning the neglected home pianos may not be such a bad thing, if we continue to cherish music.

The author supports the idea that it may be thus acceptable to leave or get rid of the old piano.

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Answer:

3.325

Explanation:

Answer:What is the z-score for a 45% probability? (round to three decimal places, example: 3. 456).

Explanation:

Answer:A,B,d

Explanation:

cuz it is the right one

The following revisions would make the diagram of the fire pit more effective:

So, the correct options are B, C and D .

A fire pit is a special space or building designed to hold and manage an outdoor fire. It can be constructed from a variety of materials, including stone, brick, metal, or concrete, and can be produced in a variety of shapes and sizes. Fire pits provide light and heat and are often used for outdoor cooking and entertaining.

Fire pit schematics can be improved with the changes listed below:

So, the correct options are B, C and D .

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Your question is incomplete, most probably the complete question is:

Which revisions would make the diagram of the fire pit more effective? select three options.