What is the name of the following compound? 4-pentanamine 1-propyl-1-propanamine 3-hexanamine 1-propyl-3-ethanamine heptanal

A separation process that depends on differing abilities of substances to form gases is called Distillation.

Distillation is a common method used to separate and purify liquids based on their different boiling points. The process involves heating a mixture of liquids to a temperature where one liquid will evaporate and form a vapor, while the other liquids will remain in a liquid state. The vapor is then condensed back into a liquid form and collected, which is then called the distillate. The distillate will be the liquid with the lowest boiling point of all the components in the mixture. This process can be repeated for different boiling point ranges and those multiple distillates will be different components of the original mixture.

Learn more about mixture here:

https://brainly.com/question/24898889

#SPJ4

The correct statement is d. The number of molecules with enough energy to react is greater at 80oC.

This is due to the fact that at higher temperatures, the molecules of N2O4 possess more kinetic energy which increases the frequency of collisions and the proportion of molecules that exceed the activation energy required for the reaction to occur.

As a result, the rate of the reaction increases at higher temperatures. The activation energy of a reaction is the minimum energy required for a chemical reaction to occur, but it remains constant regardless of the temperature. Therefore, options a and b are incorrect.

Option c is also incorrect as the concentration of the gas does not increase with temperature, but its pressure does.

To know more about temperatures. please visit.....

brainly.com/question/31166060

#SPJ11

A liter of milk has a [H+] of about 2.51 × 10–7. (You may prefer to think of the hydronium ion concentration, [H3O+], as 2.51 × 10–7.) Use the formula for the calculation of pH provided and show each step as you calculate the pH of milk. In order to get full points you must show all the steps you take.

ANSWER:

[H+] = [H3O+] = 2.52 * 10^-7M

pH = -log [H+]

pH = -log [2.51*10^-7]

pH = -[-6.60]

pH = 6.60

Hope this helps :)

Answer:299,800,000

Explain: The speed of light is 3.00x108m/s and in mph is 6.708 x 108.

\(\\ \rm\longmapsto Distance=Speed(Time)\)

\(\\ \rm\longmapsto Distance=25(2700)\)

\(\\ \rm\longmapsto Distance=67500m\)

The object travelling at 25 m/s, will travel a distance of 67500 m in 45 mins.

1 min = 60 s

Therefore,

45 mins = 45 × 60

Time = 2700

Speed = 25 m/s

Distance = speed × time

Distance = 25 × 2700

Therefore, the object will cover a distance of 67500 m in 2700 s (i.e 45 mins)

Learn more: https://brainly.com/question/14988345

Answer:

First shell is lower

Explanation:

The electron has to absorb energy to excite and go to higher energy levels/ shells and should release energy to go to lower energy levels/ shells. This means higher the shell , more energy is required and vice versa

20.0 moles of C5H10O2 would produce 20.0 moles of CO2.

The balanced chemical equation for the combustion of C5H10O2 (a generic organic compound) with O2 (oxygen) to produce CO2 (carbon dioxide) and H2O (water) is:

C5H10O2 + O2 -> CO2 + H2O

From the balanced equation, we can see that the stoichiometric ratio between C5H10O2 and CO2 is 1:1, meaning that one mole of C5H10O2 reacts to produce one mole of CO2.

Given that 20.0 moles of C5H10O2 are reacting, the amount of CO2 produced would also be 20.0 moles.

However, the amount of O2 given (125.0 moles) is in excess, as it is more than the stoichiometric amount required to react with 20.0 moles of C5H10O2.

Therefore, the limiting reagent in this reaction is C5H10O2, and it determines the amount of CO2 produced

This means that 20  moles of C5H10O2 would produce the same number of moles of CO2.

Learn more about chemical equations at:

https://brainly.com/question/26694427

#SPJ1

Answer: 2

Explanation:

To calculate the moles :

\(\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}\)

\(\text{Moles of} Fe_3O_4=\frac{275g}{233.5g/mol}=1.18moles\)

\(3Fe(s)+4H_2O(g)\rightarrow Fe_3O_4(s)+4H_2(g)\)  

According to stoichiometry :

1 mole of \(Fe_3O_4\) are produced by = 4 moles of \(H_2O\)

Thus 1.18 moles of \(Fe_3O_4\) will be produced by=\(\frac{4}{1}\times 1.18=4.72moles\)  of \(H_2O\)

Mass of \(H_2O=moles\times {\text {Molar mass}}=4.72moles\times 18g/mol=85.0g\)

Thus 85.0  g of \(H_2O\) will be required and 2 steps are required to get the answer.

Two possible sources of systematic (determinate) error in the experiment are; Incorrect calibration of volumetric glasswareIncorrect mass of NaCl

To calculate the concentration of NaCl in the resulting solution in mg/L NaCl, we can use the formula; Concentration (mg/L) = (Mass of solute ÷ Volume of solution in L) × 1000 g / 1 mg NaCl is present in the stock solution of 25 mL. So, the mass of NaCl in the solution would be;0.0842 g ÷ 25 mL = 0.00337 g/mL. Now, in the resulting solution, a 1.00 mL aliquot of the stock solution is transferred to a 50.00 mL volumetric flask and diluted to volume. Therefore, the volume of the resulting solution is 50.00 mL. We will substitute these values in the formula, Concentration (mg/L) = (0.00337 g/mL ÷ 50 mL) × 1000 g / 1 mg concentration (mg/L) = 67.4 mg/L. Therefore, the concentration of NaCl in the resulting solution in mg/L NaCl is 67.4 mg/L.7.  Concentration = 67.4 mg/LTolerance = 4.28 mg/LTotal concentration = 67.4 + 4.28 mg/L = 71.68 mg/LWe round off this value to one decimal place; Total concentration = 71.7 mg/LTherefore, the concentration of NaCl in the resulting solution using propagation of error through the calculation is 67.4+0.4 mg/L.8. Two possible sources of random (indeterminate) error in the experiment are; Errors in temperature measurement. Errors in measurement of water volume. Two possible sources of systematic (determinate) error in the experiment are; Incorrect calibration of volumetric glasswareIncorrect mass of NaCl.

Learn more about NaCl

https://brainly.com/question/32275922?

#SPJ11

Answer:

I'm pretty sure the volume decreases because the volume is like how much space it takes up. Sorry if im wrong.

The molar concentration of a 12% sodium chloride solution is approximately 2.05 M.

To determine the molar concentration of a 12% sodium chloride solution, we need to convert the given percentage concentration into molarity.

First, we need to understand that the percentage concentration refers to the mass of the solute (sodium chloride) relative to the total mass of the solution.

In this case, a 12% sodium chloride solution means that there are 12 grams of sodium chloride in 100 grams of the solution.

To convert this into molar concentration, we need to consider the molar mass of sodium chloride, which is 58.5 g/mol.

We can start by calculating the number of moles of sodium chloride in 12 grams:

Moles of sodium chloride = mass of sodium chloride / molar mass of sodium chloride

Moles of sodium chloride = 12 g / 58.5 g/mol = 0.205 moles

Next, we calculate the volume of the solution in liters using the density of the solution. Since the density is not provided, we assume a density of 1 g/mL for simplicity:

Volume of solution = mass of solution / density

Volume of solution = 100 g / 1 g/mL = 100 mL = 0.1 L

Finally, we calculate the molar concentration (Molarity) by dividing the number of moles by the volume in liters:

Molar concentration = moles of solute / volume of solution

Molar concentration = 0.205 moles / 0.1 L = 2.05 M

Therefore, the molar concentration of a 12% sodium chloride solution is approximately 2.05 M.


To learn more about molarity click here: brainly.com/question/31545539

#SPJ11

Answer:

The conversion of substance A to substance B will happen extremely slowly because of the very high activation energy that each molecule must obtain to convert.

Explanation:

Plato answer

The conversion of substance A to substance B will happen extremely slowly.

A molecule is two or more atoms connected by chemical bonds, which form the smallest unit of a substance that retains the composition and properties of that substance.

The conversion of substance A to substance B will happen extremely slowly because of the very high activation energy that each molecule must obtain to convert.

Learn more about the molecules here:

https://brainly.com/question/19922822

#SPJ2

The density of magnesium will be 1.74 g/cm³ if 23.5 g of magnesium occupies 13.5 cm³

Density is the measurement of how tightly a material is packed together.

It is defined as the mass per unit volume.

Given ;

Formula to calculate density ;

Density = mass / volume

             =23.5 / 13.5 = 1.74 g/cm³

Hence, the density of magnesium will be 1.74 g/cm³ if 23.5 g of magnesium occupies 13.5 cm³.

Learn more about density here ;

https://brainly.com/question/15164682

#SPJ1

6.94 is much more closet to 7.016, so Li 7 is more abundant

Answer:

An initial velocity that is faster than a final velocity

Explanation:

The relationship between velocity and acceleration is given as follow;

Acceleration = Change in velocity / Time

Change in Velocity = Final Velocity - Initial Velocity

From the formular, time is not able to affect the sign of the acceleration.

A negative acceleration is also referred to as deceleration and this occurs when there is a drop in velocity.

A drop in velocity occurs when the initial velocity is faster than the final velocity.

A mass of gas has a pressure of 450 kPa and temperature of 140°C. The pressure is doubled during a process but the volume remains unchanged.

In order to solve this problem, we need to apply Charles' Law: V1/T1 = V2/T2. Since the volume remains unchanged, we can simplify this to T1/P1 = T2/P2. T1 and P1 are the initial temperature and pressure, respectively. T2 is the unknown final temperature, and P2 is double the initial pressure (i.e., 2P1).

Substituting the given values:140 + 273 = 413 K450 kPa * (2) = 900 kPa413 K/450 kPa = T2/900 kPaT2 = (413 K / 450 kPa) * (900 kPa) = 756 KWe must then subtract 273 to convert from kelvin to Celsius. Therefore, T2 = 483°C, which is the new temperature.

In this case, the gas law to apply is Charles’ law which states that at a constant pressure, the volume of a fixed amount of gas is directly proportional to its absolute temperature. The general equation of Charles' law is V1/T1 = V2/T2, where V is the volume of the gas, T is the temperature, and the subscripts 1 and 2 denote initial and final states, respectively. For our question, since the volume remains unchanged, we can simplify this to T1/P1 = T2/P2. T1 and P1 are the initial temperature and pressure, respectively. T2 is the unknown final temperature, and P2 is double the initial pressure (i.e., 2P1).

Therefore, T2 = (T1 x P2)/P1. We can substitute the given values into the formula and solve for T2 as follows.

140 + 273 = 413 K450 kPa x 2 = 900 kPa

T2 = (413 K x 900 kPa)/450 kPa = 826 K

Subtracting the value of absolute zero (273) from 826, we obtain T2 = 553°C. This is the final temperature of the gas after doubling the pressure.

Learn more about absolute temperature: https://brainly.com/question/16269132

#SPJ11

Based on the balanced equation of the reaction of bauxite and carbon;

a. the limiting reagent is Al₂O₃ amd the excess reagent is carbon, C.

b. the theoretical yield of aluminum metal is 13.23 grams

c. the mass of the excess reactant left over is 6.18 grams

The balanced equation of the reaction of bauxite and carbon is given below as follows:

Al₂O₃ (s) + 3 C(s) ---> 2 Al (s) + 3 CO (g)

Based on the equation of the reaction, the mole ratio of the reactants is 1 mole of Al₂O₃ to 3 moles of C.

Mole of a substance = mass / molar mass

Moles of Al₂O₃ in 25.0 g sample = 25 / 102

Moles of Al₂O₃ = 0.245 moles

Moles of C in 15.0 grams sample = 15 / 12

Moles of C in 15.0 grams sample = 1.25 moles

moles of C required = 0.245 * 3

moles of C required = 0.735 moles

Based on the mole ratio, C is the excess reactant and the limiting reagent is Al₂O₃

The theoretical yield of aluminum will be calculated from the mole ratio of Al₂O₃ and Al as follows:

Theoretical yield of Al = 0.245 * 2/1 * 27 g

Theoretical yield of Al = 13.23 grams

Moles of C leftover = 1.25 - 0.735

Mass of C left over = (1.25 - 0.735) * 12 g

Mass of C left over = 6.18 grams

Learn more about limiting reagent at: https://brainly.com/question/23661051

#SPJ1

Oxygen is a nonmetal and it has 6 valence electrons. (2s subshell has two and 2p subshell has four)

The element's size shrinks as it moves from left to right in a period, while its electronegativity rises. Therefore, we can conclude that an element's non-metallic property grows as an element moves from left to right over time.Elements get bigger and have lower electronegativities as they move down the group. As a result, their ionization energy drops and they become more metallic.Therefore, if we look at oxygen, it is situated in the sixteenth group, which is to the right of the periodic table, and the second period, which is smaller in size than other elements.

As a result, we can infer that the oxygen atom will have a significant non-metallic character because of its tiny size and strong electronegativity.

The electrons in an atom's outermost shell are called valence electrons. Because the electrons in the outermost shells of two atoms are the first to come into contact with one another and are the ones that control how an atom will react in a chemical reaction, when two atoms interact.

learn more about oxygen atom visit :

https://brainly.com/question/19532510

#SPJ4

Answer:

Oxygen is a non metal, and has 6 valence electrons.

Explanation:

I did it on plato

Yes, it is known as distillation.

The industrial process that utilizes that strategy of evaporation to separate a solution is known as Distillation.

Evaporation may be defined as the methodology of liquid transforming into vapors even below its boiling point.

Distillation is an influential technique to isolate mixtures that are constituted of two or more refined liquids.

Distillation is a purification procedure where the elements of a liquid combination are vaporized and then compacted and sequestered.

Therefore, it is well described above.

To learn more about Distillation, refer to the link:

https://brainly.com/question/24553469

#SPJ1

Answer:

1) atomos. 2) uncuttable.

Explanation:

none

Answer:

2 boron and 3 sulfur

Explanation:

The subscript/ number behind and under is a subscript this tells you how many atoms there are

If the limit is less than 1, the series converges; if it is greater than 1, the series diverges; and if it equals 1, the test is inconclusive.

To determine whether the series converges or diverges, we need to examine its terms and apply a convergence test. Without the specific series provided, I am unable to show the step-by-step process. However, I can explain the concept of convergence and provide an example.
A series converge if the sum of its terms approaches a finite value as the number of terms increases. If the sum approaches infinity or does not approach any value, the series diverges.
One commonly used convergence test is the ratio test. It states that if the absolute value of the ratio of consecutive terms approaches a constant value less than 1, then the series converges.

To apply the ratio test, we calculate the limit of the absolute value of the ratio of consecutive terms as n approaches infinity. If the limit is less than 1, the series converges; if it is greater than 1, the series diverges; and if it equals 1, the test is inconclusive.

Learn more about convergence from the following link:

https://brainly.com/question/30114464

#SPJ11

As lowest significant is 2.65

It should be rounded till second decimal

Answer:

Physical

Explanation:

Water is the only known substance on Earth that exists naturally in three states: solid, liquid, and gas. To change between these states, water must undergo physical changes.. Hydrogen and oxygen are gases at standard temperature and pressure, whereas water is a colorless, odorless liquid

The parts of an ecosystem are population, community, organism.

The term "ecosystem" was originally used in an article by British ecologist Arthur Tansley in 1935. Tansley requested that Arthur Roy Clapham think of the term, and he did. Tansley came up with the concept to emphasise the importance of material exchanges between living things and their environment.

Humans have an impact on and alter fundamental ecological processes as ecosystem components, which in turn affects us as individuals and members of society.

An ecosystem that is flourishing and diverse provides its inhabitants with an abundance of necessities like food, water, shelter, economic livelihood, leisure, and scenic beauty.

All the zebras form a population.

Zebras, gazelle, giraffes, trees form a community

A giraffe: organism

Gazelle, zebras, giraffes, water, trees, soil: ecosystem

To learn more about ecosystem from given link

https://brainly.com/question/15830752

#SPJ1

Complete question -

Use the image to match the parts of an ecosystem to each description.

All the zebras form a ___________.

Zebras, gazelle, giraffes, trees form a _______________

A giraffe: _____________-

Gazelle, zebras, giraffes, water, trees, soil: _________

The complete, balanced chemical reaction for the reaction between gold (Au) and selenic acid (H2SeO4) is: 4Au + 3H2SeO4 → 2Au2(SeO4)3 + H2SO3 + H2O. The coefficients for the reactants and products are as follows: 4 for Au, 3 for H2SeO4, 2 for Au2(SeO4)3, 1 for H2SO3, and 1 for H2O. The type of chemical reaction is a single displacement reaction.

The balanced chemical equation for the reaction between gold (Au) and selenic acid (H2SeO4) is:

4Au + 3H2SeO4 → 2Au2(SeO4)3 + H2SO3 + H2O

In this equation, the coefficient in front of Au is 4, indicating that 4 moles of gold are involved in the reaction. The coefficient in front of H2SeO4 is 3, indicating that 3 moles of selenic acid are present.

On the product side, the coefficient in front of Au2(SeO4)3 is 2, indicating the formation of 2 moles of gold selenate. The coefficient in front of H2SO3 is 1, representing the formation of 1 mole of sulfurous acid. The coefficient in front of H2O is also 1, indicating the production of 1 mole of water.

Based on the reactants and products involved, the type of chemical reaction is a single displacement reaction, as gold displaces hydrogen in selenic acid to form gold selenate.

To learn more about reactants click here:

brainly.com/question/30129541

#SPJ11

The convention of writing the sequence of nucleotide residues in a nucleic acid from the 5' end to the 3' end, in a left to right sequence, is based on the structure and function of nucleic acids.

The order of the nucleotide residues in a nucleic acid is often written from the 5' end to the 3' end, going from left to right in convection.

Nucleic acids, such as DNA and RNA, are composed of long chains of nucleotide residues. Each nucleotide is made up of three primary parts: a nitrogenous base (adenine, thymine, cytosine, or guanine in DNA; adenine, uracil, cytosine, or guanine in RNA), a phosphate group, and a sugar molecule (ribose and deoxyribose in RNA and DNA respectively).

A nucleic acid's 5' and 3' ends correspond to certain carbon atoms in the sugar molecule. The phosphate group is joined to the 5' carbon at the 5' end, and the hydroxyl group (-OH) is joined to the 3' carbon at the 3' end.

Learn more about nucleotide residues at https://brainly.com/question/16308848

#SPJ11