In a simple distillation setup, what is the sequence of equipment from the bench top to the round bottom flask

Answers

Answer 1

In a simple distillation setup, the sequence of equipment from the bench top to the round bottom flask is:

ThermometerDistillation flaskLiebig condenserRound bottom flaskBunsen burner

What is Distillation?

This is the process in which a mixture is separated through selective boiling and condensation.

The distillation flask and liebig condenser are usually located above the round bottom flask in the set up.

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Related Questions

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 an electrolytic solution?

An electrolytic solution is a solution containing dissolved electrolyte.

The ions of the electrolyte dissociate and are able to carry electric current around the electrolytic cell.

The higher the concentration of the electrolyte, the more electric current it can conduct due to greater number of ions present.

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

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Is industry pool or flux

Answers

Answer:

What is the difference between pools and fluxes?

Image result for Is industry pool or flux

Fluxes describe the movement of energy and matter between different pools. When you pour a glass of juice for yourself, the juice bottle and the glass are both “pools” for the apple juice. The act of pouring it from the bottle to the glass is the flux

Explanation:

Describe the difference between the rate of diffusion seen for sodium and urea.

Answers

Urea is diffused more slowly because it’s larger than sodium.

How many particles would be found in a 12.7g sample of ammonium carbonate?
answer choices are:
2.9 x 10^22 particles
7.96 x 10^22 particles
i cannot get it, please help

Answers

multiplying terrorist to power 23, divided by 96. Multiplied by 12.7. so this is 76.48

7.96 x 10²² particles would be found in a 12.7g sample of ammonium carbonate. A particle is a tiny, localized item.

What is particles in chemistry?

A particle is a tiny, localized item that may be defined by a number of physical or chemical characteristics, including volume, density, and mass. They range significantly in size or number from tiny particles like atoms to subatomic particles such as the electron.

Depending upon their density, particles can potentially be utilized to mimic even bigger things, such as moving celestial bodies or a throng of people. Although the meaning of the word particle is quite broad, different scientific disciplines might refine it as necessary. Any substance made up of particles is referred to as a particulate.

number of moles = given mass/ molar mass

                            = 12.7/  96.08

                            = 0.13moles

number of particle=  0.13 ×   6.022×10²³  

                              = 7.96 x 10²²    

Therefore, 7.96 x 10²² particles would be found in a 12.7g sample of ammonium carbonate.

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Which of the following lists electromagnetic radiations from lowest to highest energy?
Your answer:
radio waves, microwaves, ultraviolet radiation, visible light
microwaves, radio waves, visible light, X-rays
radio waves, infrared radiation, visible light, ultraviolet radiation
gamma radiation, infrared radiation, visible light, X-rays

Answers

Answer:

Highest wavelength : radio waves

So lowest energy: radio waves

Hence order is:

radio waves < microwaves < IR waves < visible light < ultraviolet radiation < X-rays < gamma rays

The pressure of x ml of a gas was increased from 2 atm to 4 atm at constant temperture. what will be the new volume?

Answers

The new volume of the gas given the data from the question is  1/2X mL

Data obtained from the question

Initial volume (V₁) = X mL

Initial pressure (P₁) = 2 atm

New pressure (P₂) = 4 atm

New Volume (V₂) = ?

How to determine the new volume

The new volume of the gas can be obtained by using the Boyles’ law equation as illustrated below:

P₁V₁ = P₂V₂

2 × X = 4 × V₂

2X = 4V₂

Divide both side by 4

V₂= 2X / 4

V₂ = 1/2X mL

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How can you measure the volume of air inside of a balloon?

Answers

You could let the air out of the balloon while it is under the water with a container filled with water upside down over it. And measure the water displacement.

how do you treat a sulfuric acid burn with sodium hydroxide

Answers

Cover the burn with a clean bandage. Wrap it loosely to avoid putting pressure on burned skin. Rinse again if needed. If you feel more burning, rinse the area again for several more minutes.

The process of seeping of water into the ground in called​

Answers

Answer: Infiltration

Explanation: it is the process by which surface water, rainwater or snowmelt seeps into the ground

In the photo
Pls pls pls pls pls pls pls pls pls pls

Answers

A rock resting on the top of a hill has POTENTIAL energy, while a rock rolling down a hill has KINETIC energy.


When an object has potential energy, it means that the object has pent up energy that isn’t being used yet. It is about to do something, but it is at the climax and hasn’t done it yet. For example, if you’re winding up your arm, ready to throw a ball, the energy in the ball isn’t released yet. But, if you were to throw it, it now has kinetic energy.

Kinetic energy happens when an object is in motion. While it is moving, it releases kinetic energy, like my ball example.

Hope this helps! :)

The correct answers are Potential and Kinetic energy.

What are potential energy and examples?

An object can store energy as a result of its position. For example, the heavy ball of a demolition machine is storing energy when it is held at an elevated position. This stored energy of position is referred to as potential energy. Similarly, a drawn bow is able to store energy as a result of its position.

What is kinetic energy?

Kinetic energy is a form of energy that an object or a particle has by reason of its motion. If work, which transfers energy, is done on an object by applying a net force, the object speeds up and thereby gains kinetic energy.

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Could someone help me with this please

Answers

Answer:Your can use the internet There is a web site that is called periodic table.com it is very use full

Explanation:Have fun

Which lists only abiotic factors in this environment?

grass, tree, rock, soil
bird, turtle, grass, tree
sun, water, grass, soil
water, rock, soil, sun

Answers

In this case, among the list of components given, the abiotic factors are water, rock, soil, and sun.

What is an abiotic factor?

An abiotic factor is a non-living part of an ecosystem that shapes its environment.

Biotic and abiotic factors make up a community via interaction.

Biotic factors are considered living things (having "life") while abiotic factors are simply non-living things.

Hence, in this case, among the list of components given, the abiotic factors are water, rock, soil, sun

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Avogadro’s number is the number of particles in one mole of a pure substance, true or false?

Answers

Answer: The answer is true.

Explanation: Avogadro's number is a mole, which concludes that this statement is true.

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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Matter can undergo chemical reactions and nuclear reactions. Which statement is true only for nuclear reactions?

A - The mass of reactants is conserved
B - The energy of reactants is conserved
C - The atoms are reorganized into products.
D - The nuclei of the atoms.

Answers

Answer:

B - The energy of reactants is conserved.

D - the nuclei of atoms changes completely ( if that's the option)

A wave is created by causing vibrations in particles of matter. Which
statement about the wave is true?

Answers

The wave which is created by causing vibrations in particles of matter is a mechanical wave.

What is a wave?

A wave is a disturbance in a medium which transmits transmits energy from one point to another without a permanent displacement of the particles of the medium.

Types of waves include:

electromagnetic wavesmechanical waves

Mechanical waves are waves which are produced as a result of the vibrations of the particles of the medium.

Therefore, the wave which is created by causing vibrations in particles of matter is a mechanical wave.

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Which lists only abiotic factors in this environment?

grass, tree, rock, soil
bird, turtle, grass, tree
sun, water, grass, soil
water, rock, soil, sun

Answers

In this case, among the list of components given, the abiotic factors are water, rock, soil, and sun.

What is an abiotic factor?

An abiotic factor is a non-living part of an ecosystem that shapes its environment.

Biotic and abiotic factors make up a community via interaction.

Biotic factors are considered living things (having "life") while abiotic factors are simply non-living things.

Hence, in this case, among the list of components given, the abiotic factors are water, rock, soil, sun

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[tex] \begin{gathered}\\ \underline{\boxed{\large\leadsto\frak\red{ Answer :- }}} \\ \end{gathered}[/tex]

In this case, among the list of components given, the abiotic factors are water, rock, soil, and sun.

What is an abiotic factor?

An abiotic factor is a non-living part of an ecosystem that shapes its environment.

Biotic and abiotic factors make up a community via interaction.

Biotic factors are considered living things (having "life") while abiotic factors are simply non-living things.

Hence, in this case,

♠ Among the list of components given, the abiotic factors are water, rock, soil, sun

▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬

Can anyone please help me find molar masses of compounds. For example Copper (ll) sulfate (CuSO4)

Answers

Answer:

Explanation:

You would have to add up the atomic masses of all the compounds in the compound, making sure you include how many molecules of each are in the compound

For example, in CuSOA we have 1 molecule of Cu and S, as 4 molecules of O

The atomic masses are as follows:

Cu = 63.55 u

S = 32.065 u

O = 15.99 units

This is how we would add it up:

(Atomic mass of Cu) + (Atomic mass of S) + 4(Atomic Mass of O)

(63.55) + (32.065) + 4(15.99)

(63.55) + (32.065) + 63.96

= 159.575 u

molar mass is relatively simple to calculate, but you cannot do it with a periodic table, whether that be a physical one or a digital version.
in order to find the molar mass, we must find the relative atomic masses of each element that makes up the compound. With the example copper (II) sulfate. we must find the mass of Cu, S, and O.
this is where the periodic table comes in. you just look up these values!
mass Cu =63.55g
mass S = 32.06g
Mass O = 16g
The next step is to multiply the relative atomic masses by the number of that element in the compound. For instance, one mole of cu is found is this compound, one mole of s, and four moles of o. **this is found by looking at the coefficients in the formula of the compound
this would mean that the mass of oxygen in this is 16 * 4 = 64g
now, you can calculate the molar mass by adding all of the relative atomic masses together.
molar mass = molCu(mass Cu) + molS(mass S) = molO(mass O)
= 1(63.55) + 1(32.06) + 4(16) = 159.61g
this can be done for any compound following the same steps

how can you explain that even though you continue to add pure water into a substance, even though the resultant ph might differ a little, the acidity or alkalinity of substance still remains the same to that of substance?

Answers

Addition of pure water does not change pH of a solution because pure water has neutral pH.

Why the pH does not change when pure water is added?

Even though you continue to add pure water into a substance, the acidity or alkalinity of substance still remains the same to that of substance because pure water has neutral pH which can't change the acidity or alkalinity of a solution.

So we can conclude that addition of pure water does not change pH of a solution because pure water has neutral pH.

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When energy decreases what happens to particle motion?

Answers

Answer:

When a substance is cooled, its internal energy decreases: the movement of its particles decreases. bonds between particles form when a substance condenses or freezes, or sublimes to form a solid from a gas. What is called energy? Energy is the capacity of a physical system to do work.

Explanation:

What is the nuclear equation for decay of Am - 241

Answers

Americium is a radioactive element .

It goes through alpha decay during nuclear reactions .

The nuclear reaction.is given by

[tex]\rm {}^{241}_{95}Am\longrightarrow {}^{237}_{93}Np+{}^4_2\alpha[/tex]

Np stands for Nuptunium

Here alpha can be written as He too

What happens when a solid is dissolved into a liquid?
O Solid particles float toward the surface layer of liquid particles.
O Solid particles sink down toward the bottom layer of liquid particles.
O Solid particles become evenly dispersed among liquid particles.
O Solid particles become suspended in the middle of liquid particles.

Answers

When a solid dissolves in a liquid to form a solution, solid particles become evenly dispersed among liquid particles.

What are solutions?

Solutions are formed when a solute particle dissolves in another substance known as a solvent.

Usually, solutions are formed when solids dissolve in liquids.

The solid is the solute while the liquid is the solvent.

When a solid dissolves in a liquid, solid particles become evenly dispersed among liquid particles.

Therefore, solutions are formed when solute particles dissolve in solvents.

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Answer:

c

Explanation:

chem ed 2022

31. calculate the amount of energy released as heat by the freezing of 13.3 g of a liquid substance, given that the substance has a molar mass of 82.9 g/mol and a molar enthalpy of fusion of 4.60 kj/mol.

Answers

From the calculations, the heat of fusion of the substance is 0.73 kJ

What is is the heat of freezing?

The heat of freezing is the energy released when the substance is converted from liquid to solid.

Now we know that the molar mass of the substance is 82.9 g/mol  hence the number of moles of the substance is;  13.3 g /82.9 g/mol  = 0.16 moles

Now the heat of fusion shall be;

H = 4.60 kj/mol * 0.16 moles

H = 0.73 kJ

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A solvent is added to dissolve only one mixture component and then the liquids are separated. Choose... A liquid is carefully poured out, leaving the solid behind in the container. Choose... A solid is caught on paper or a membrane while the liquid passes through. Choose... A solid mixture is heated. One component transitions directly between solid and gas. Choose...

Answers

The solid would be caught on a filter paper or membrane while the liquid passes through.

Filtration

Filtration is used to separate a mixture of insoluble substances in a liquid.

Since the aim is to separate the insoluble component of the mixture from the liquid, filtration using a suitable filter paper or membrane will be the way out.

The liquid will pass through the filter paper or the membrane while the insoluble component will be caught. This can then be dried and collected accordingly.

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What mass of Na2CO3 will be required to dissolve in 0.3 L of water to make a 0.5 M solution?

Answers

The mass of [tex]Na_2CO_3[/tex] that will be required to be dissolved in water would be 15.9 grams

Solution preparation

Recall that:  molarity = mole/volume in L

In this case, the volume is 0.3 L and the molarity is 0.5 M.

Thus, mole = molarity x volume = 0.5 x 0.3 = 0.15 moles

Mass of 0.15 moles  [tex]Na_2CO_3[/tex] = 0.15 x 106 = 15.9 grams

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Calculate the ionization constant of each reaction. hcl (aq) + h2o (l) equation h3o+ (aq) + cl- (aq); [hcl] = 16.9m, [h3o+] = 13.3m, [cl-] = 7.4mka =

Answers

The ionization constant from the reaction as shown in the calculation is 5.8.

What is the ionization constant?

The term ionization constant refers to the extent to which the acid is ionized in solution. It is calculated from;

Ka = [H3O^+] [Cl]/[HCl]

Thus when we substitute the values;

Ka = 13.3 * 7.4/ 16.9

Ka = 5.8

The ionization constant from the reaction as shown in the calculation is 5.8.

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At what temperature would 0.46 moles of a gas occupy 13.3 L if the pressure is 734 mm Hg?

Answers

Answer: 341.6k

Explanation:

R= 0.0821

n= 0.46moles

v= 13.3L

p= 734mmhg = 734/760 = 0.97

[tex]T = \frac{p*v}{n*R}[/tex]

[tex]T = \frac{0.97*13.3}{0.46*0.0821}[/tex]

T= 341.6k

Answer:

10100101

Explanation:

this is for the other person alt.

Match the following items.
1. not affected by a magnet
2. mostly space
3. flows freely but particles still attract
4. positively charged particles
5. free to move in all space
6. negatively charged particles
7. atoms nearly fixed in space
8. helium nucleus

proton
solid
liquid
gamma ray
gas
atoms
electron (beta)
alpha particles

Answers

Answer:

1. not affected by a magnet                      1 liquid

2. mostly space                                          2 solid

3. flows freely but particles still attract 3 proton

4. positively charged particles                  4 gas

5. free to move in all space                       5 alpha particles

6. negatively charged particles                 6 atoms

7. atoms nearly fixed in space                   7 gamma ray                                                    8. helium nucleus                                        8 electron (beta)

You can make a solution (solid solute) more concentrated by
adding more solute
O increasing the pressure
adding more water
adding more solvent

Answers

Answer:

increasing the pressure

Explanation:

You can make a solution more concentrated by increasing the pressure.

if this strand is replicated what is the complementary strand that is produced

Answers

Answer:

During DNA replication, each of the two strands that make up the double helix serves as a template from which new strands are copied. The new strand will be complementary to the parental or “old” strand. Each new double strand consists of one parental strand and one new daughter strand.

Explanation:

hope it helps you

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