Select the correct structure that
corresponds to the name.
2,2,3-trichloro-3-fluorohexane
A.
B.
CI
CI
CI
CI
F
חד
CI
C. both

Answer:According to the Aufbau principle, the electrons fill the 4s sublevel before beginning to fill the 3d sublevel. However, the outermost s electrons are always the first to be removed in the process of forming transition metal cations.

Explanation:hope its help

Answer:

Explanation:

SI unit is an international system of measurements that are used universally in technical and scientific research to avoid the confusion with the units. Having a standard unit system is important because it helps the entire world to understand the measurements in one set of unit systems.

Unit of Electric Charge: Unit of Wavelength

Unit of Mass: Unit of Velocity:

Answer:

c

Explanation:

Science is best described as a way of building knowledge about the world around us through observation and experimentation.

Answer:

= 0.613dm^3

Explanation:

Data:

Molarity, M = 1.50M

no. of moles = 0.920 moles

volume=?

Solution:

as,         molarity= [tex]\frac{moles}{volume in dm^3}[/tex]

so,           volume =[tex]\frac{moles}{molarity}[/tex]

putting values:

                = [tex]\frac{0.920}{1.50}[/tex]

                 volume = 0.613dm^3

A student weighs out 51.57 grams of sodium permanganate. The moles of  sodium permanganate is 0.363 mol.

Molar mass of many compounds can be calculated by dividing the mass of the compound by the number of moles of the compound.

The molar mass is given 141.93 g/mol.

To calculate the moles

[tex]\rm Number\;of \;moles= \dfrac{mass}{molar\;mass}\\\rm Number\;of \;moles= \dfrac{51.57}{141.93} = 0.363\;mol[/tex]

Thus, the moles are 0.363 mol.

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The formula unit equation for the given reaction occurring in water is

CaS(aq) + FeBr₂(s) → FeS(s) + CaBr₂(aq).

Chemical reactions are those reaction in which reactant molecules react with each other for the formation of product.

When calcium sulfide reacts with iron (II) bromide for the formation of iron(II) sulfide and calcium bromide will be represented through the following equation:

CaS(aq) + FeBr₂(s) → FeS(s) + CaBr₂(aq)

Above reaction best explains the formula unit of given reaction as all valency of atoms are satisfied there.

Hence, the required formula unit is CaS(aq) + FeBr₂(s) → FeS(s) + CaBr₂(aq).

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Answer:

I don't know

Explanation:

I don't know the answer but it is use for car

Convert vol to L

Apply Boyles law

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P1V1 = P2V2

V2 =P1V1/P2

=(742×500)/(795) = 467mL CO2

The repeating unit in this polymer is  −CH2−CCl2 (i.e., Methylene-Dichlorocarbene).

In chemistry, a polymer is a molecule and/or structure composed of two or more repeating units.

These repeating units can be very reactive in a single composition or form a polymer when bound.

In conclusion, the repeating unit in this polymer is  −CH2−CCl2 (i.e., Methylene-Dichlorocarbene).

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it is D. Air pressure!!! :)

Answer:

34.5J

Explanation:

Amount of Heat(Q) = mc∆T

where m (mass of aluminum) = 5.50g

c (specific heat capacity of aluminum) = 0.897J/g°C and ∆T = 95.0°C - 25.0°C = 70.0°C

Q = 5.50x 0.897x 70.0

= 34.5354J = 34.5J

The amount of heat absorbed when 5.50 g of aluminum is heated from 25.0°C to 95.0°C is 34.5 J.

Heat is defined as a form of the energy transmitted from one body to another as a result of a temperature difference.

It can also be defined as the potential energy stored in the bonds that hold the object's particles together.

Heat absorption is defined as absorption of heat without increasing the temperature at the certain point.

Amount of heat = mcΔT

Where m = 5.50g

           c = 0.897 J/g °C

           ΔT =  95.0°C - 25.0°C

                 = 70.0°C

So, amount of heat = 5.50 x 0.897 x 70.0

                                = 34.5354 J = 34.5 J

Thus, the amount of heat absorbed when 5.50 g of aluminum is heated from 25.0°C to 95.0°C is 34.5 J.

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Answer:

Both acids and bases are electrolytes which means that they're good conductors of electricity. Acids and bases both produce ions in water solution. Acids release hydrogen ions (H+) whereas Bases release hydroxide ions (OH-). The process of mixing acid or a base in water is an exothermic one.

Answer:

Electrolytes

Explanation:

Both acids and bases are electrolytes which means that they're good conductors of electricity. Acids and bases both produce ions in water solutions. Acids release hydrogen ions (H+) whereas Bases release hydroxide ions (OH-). The process of mixing acid or a base in water is an exothermic one.

Answer:

= 0.524M

Explanation:

data;

volume = 490ml

              = 490 / 1000

               = 0.49 dm^3

moles = 0.257 moles

molarity = ?

solution:

molarity = [tex]\frac{no. of moles}{volume in dm^3}[/tex]

               = 0.257 / 0.49

 molarity  = 0.524M

Answer:

Your answer is B, Electrochemistry!

Explanation:

This is the part of chemistry that studies the chemical process in which electrons flow. This flow is called electricity. Electricity is generated by the flow of electrons, from one element to another element. This reaction is called oxidation reduction.

Answer: B

Explanation:

CO(Cl)2 will be the formula which has a common name of phosgene a highly poisonous gas .

Answer: The high temperature raises the volume of air inside the ball according to Charles's law because this law describes how a gas will behave at constant pressure.

Answer:

D. The high temperature raises the volume of air inside the ball according to Charles's law because this law describes how a gas will behave at constant pressure.

Explanation:

I took the exam

Answer:

= 0.366 M

Explanation:

data;

moles = 0.381 moles

volume = 1039ml

             = 1039 / 1000

             = 1.039dm^3

molarity = ?

solution

         molarity = [tex]\frac{moles}{volume in dm^3}[/tex]

                        = 0.381 / 1.039

         molarity = 0.366 M

The number of balloons that can be filled by the container of helium is 380.

To calculate the number of balloons that can be filled, we use the formula below.

Formula:

Where:

From the question,

Given:

Substitute these values into equation 1

Hence, the number of balloons that can be filled by the container of helium is 380.

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Answer:

AU(s)| AU³||CL,Cl2|Pt(s)

Explanation:

I started with the anode on my left hand side because AU id undergoing oxidation and on the right hand side CL is undergoing reduction hence it's a cathode, and since for the cathode we don't have a metal in a solid state we are going to add Pt

Answer:

the particles of matter are arranged in different ways for the different states

Explanation:

because solid liquid and gas all three matters have different states for example the particles in a solid are closely packEd and form of movement is vibration

Answer:

D. Mixed doubles tennis

Explanation:

Mixed doubles tennis is just normal tennis but the 'mixed' means that on both teams there is both one man and one woman.

Answer:

Discrepant events — demonstrations that produce unexpected outcomes — are used in science to capture students' attention and to confront their beliefs about a “phenomenon by producing an outcome which is contrary to what their previous experiences would lead them to believe is true” (Misiti, 2000, p.

The difference between the outer covering of plants and animals is that plant cell has cellulose cell wall while animal cell is surrounded by a cell membrane

A cell is the structural and functional unit of an organism which is capable of existing alone as it contains organelles that perform specific functions.

The plant cell is covered by a rigid cell wall which contains cellulose as its outer covering.

The animal cell contains not cellulose cell wall at its out covering but instead it is covered by a cell membrane.

Therefore, the difference between the outer covering of plants and animals is that plant cell has cellulose cell wall while animal cell is surrounded by a cell membrane.

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Taking into account the definition of avogadro's number, in 7.54×10¹⁰ moles of water are 4.54×10³⁴ molecules of water.

Avogadro's Number or Avogadro's Constant is called the number of particles that make up a substance (usually atoms or molecules) and that can be found in the amount of one mole of said substance. Its value is 6.023×10²³ particles per mole. Avogadro's number applies to any substance.

You can apply the following rule of three: if 6.023×10²³ molecules are contained in 1 mole of water, then 4.54×10³⁴ molecules are contained in how many moles of water?

amount of moles of water= (4.54×10³⁴ molecules × 1 mole)÷ 6.023×10²³ molecules

amount of moles of water= 7.54×10¹⁰ moles

Finally, in 7.54×10¹⁰ moles of water are 4.54×10³⁴ molecules of water.

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0.22 moles

Moles are a measurement used in chemistry that describes the amount of an atom based on the number of atoms. One mole is equal to [tex]6.022*10^{23}[/tex], which is the number of atoms in 12 grams in Carbon-12.

Mass of Copper

Before finding the moles of copper, we need to know the mass. We are told that a door handle is 140g, but only 10% is copper.

To find 10% for 140 we can multiply 140 * 0.1.

This means there are 14 grams of copper.

Moles of Copper

Now, we can use dimensional analysis to convert grams to moles. To do this we need to know how many grams of copper are in 1 mole. This number is called the molecular mass and can be found on the periodic table. This number is usually directly below the element's symbol and is the only number with decimal points (not all periodic tables will have the exact same molecular mass because the number can change, but they will be close).

The molecular mass for copper is 63.55. Next, we can set up a dimensional analysis conversion. Dimensional analysis is when you multiply some value by a ratio of 2 different values with 2 different units. This may sound confusing but it makes more sense when you do it.

When setting up an expression like this, make sure that the units cancel out so you are only left with the one you want. Units will cancel out if one is in the numerator of a ratio and the other is in the denominator.

Next, multiply this out (which is equivalent to dividing 14/63.55)

So, when rounded to significant figures, there are 0.22 moles in 14 grams of copper.