Draw n‑ethyl‑3‑methylpentanamide. Include all hydrogen atoms

We can store the copper sulphate solution in alumiun container, if cover on alumiun is present.

Aluminium is more reactive than copper so the Aluminium will displace copper sulphate from its solution by reacting with it but if there is cover on the aluminium then the alumium can't react with copper.

So we can store the copper sulphate solution in alumiun container.

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No, we cannot store CuSO₄ in an aluminum container because aluminum will displace the copper present in the solution.

Different chemicals are put in different containers, usually glass, plastic, dark container, or light container.

Chemicals element are reactive to different substances and to each other.

That's why they are put in separate and different types of containers according to their reactivity.

Thus, No, we cannot store CuSO₄ in an aluminum container because aluminum will displace the copper present in the solution.

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The Figure is not found here but the tiny hairlike organelles are also referred to as cilia.

Cilia are a special type of hairlike organelles capable of covering the surface of cells in many different organisms.

Cilia are found in different eukaryotic organisms ranging from unicellular protists to mammals (epithelial tissues).

The function of cilia is to produce motion (movement) of the cell in which these structures are found.

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The medium that might be used to cool the hot liquid coming from a reactor is : ( C ) Heat exchanger

Heat exchanger is used  for the transfer of heat between liquids to be used in a chemical reaction, It can be used for both Cooling and heating to achieve the desired temperature.

The liquid coming from a reactor which posses a very high temperature will be passed through the heat exchanger so that its temperature will attain the required temperature for the experiment.

Hence we can conclude that The medium that might be used to cool the hot liquid coming from a reactor is Heat exchanger.

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Another advantage of advantage of using a microspectrophotometer to analyze fibers asides not causing damage to the sample is that the sample can be quite small.

Microspectrophotometry is a biological technique used to measure the absorption or transmission spectrum of a solid or liquid material in either transmitted or reflected light.

Microspectrophotometry can also measure the emission of light by a sample, which is usually small as the micro implies.

One advantage of microspectrophotometry is that the sample does not get damaged. However,

However, another advantage of advantage of using a microspectrophotometer to analyze fibers asides not causing damage to the sample is that the sample can be quite small.

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The amount of heat energy lost by the 100 mL of water when it all freezes is 33400 J

Mass = Density ×Volume

Mass of water = 1 × 100

Mass of water = 100 g

Q = m × ΔHf

Q = 100 × 334

Q = 33400 J

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Answer:

Decomposition reaction

Explanation:

When a single reactant is decomposed into two or more products that reaction is called decomposition reaction.

Option B is correct

Saturated solution refer to a solution in which the dissolved solute is in equilibrium with the undissolved solute.

A saturated solution is a chemical solution that contain maximum amount of a solute which is dissolved in the solvent. The addition of anotheg solute will not dissolve in a saturated solution. The amount of solute that can be dissolved in a solvent to form a saturated solution depends on a variety of factors.

Therefore, Saturated solution refer to a solution in which the dissolved solute is in equilibrium with the undissolved solute

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The term that describes a solution in which the dissolved solute is in equilibrium with the undissolved solute is saturated solution.

A saturated solution is one in which there is so much solute that it would not dissolve if there was anymore.

When a saturated solution comes into contact with more solute, the extra solute does not dissolve or deposit.

Thus, the term that describes a solution in which the dissolved solute is in equilibrium with the undissolved solute is saturated solution.

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Answer:

- Deep red fire is about 600-800° Celsius

- Answer: {1102.91}

Given: K= °C + 273.15

K = 1,376.06

Since you’re trying to find C (Celsius) you want to get C by itself in the problem. So you subtract 273.15 from that side. Anything you do to one side of the equal sign you have to do to the other side, so also subtract 273.15 from K (1,376.06).

1,376.06 - 273.15 = {1102.91°C}

Option C) 19.3L is the correct answer.

Hence, the final volume of the gas at the standard atmospheres and temperature is 19.3L.

Given the data in the question;

At Standard temperature and pressure( STP)

Then

Final Volume; [tex]V_2 = \ ?[/tex]

Combined gas law combines both Boyle's Law, Charles's Law, and Gay-Lussac's Law. It states that the ratio of the product of volume and pressure and the absolute temperature of a gas is equal to a constant.

It is expressed as;

[tex]\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}[/tex]

To determine the new volume of the gas, we substitute our values into the expression above.

[tex]\frac{P_1V_1}{T_1} = \frac{P_2V_2}{T_2}\\\\P_1V_1T_2 = P_2V_2T_1\\\\1.00atm * 29.3L * 250.15K = 1.39atm * V_2 * 273.15K\\\\7329.395atm.L.K = 379.6785atm.K * V_2\\\\V_2 = \frac{7329.395atm.L.K}{379.6785atm.K} \\\\V_2 = 19.3L[/tex]

Option C) 19.3L is the correct answer.

Hence, the final volume of the gas at the standard atmospheres and temperature is

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Answer:

C. Burning oil

Explanation:

Water cannot be used as a fire extinguisher to extinguish the flames of burning oils such as gasoline, petrol, or diesel. Because oil is lighter than water, it floats on top of it and cremates. Furthermore, as the water spreads and carries the oil with it, the fire spreads over a larger area.

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Answer:

Burning oil

Explanation:

Answer:

Reflection

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A 1.775g sample mixture of KHCO₃ is decomposed by heating. if the mass loss is 0.275g, the mass percentage of KHCO₃ is 70.4%.

A decomposition reaction can be defined as a chemical reaction in which one reactant breaks down into two or more products.

2 KHCO₃(s) → K₂CO₃(s) + CO₂(g) + H₂O(l)

The mass loss of 0.275 g is due to the gaseous CO₂ that escapes the sample.

In the balanced equation, the mass ratio of KHCO₃ to CO₂ is 200.24:44.01.

0.275 g CO₂ × 200.24 g KHCO₃/44.01 g CO₂ = 1.25 g KHCO₃

There are 1.25 g of KHCO₃ in the 1.775 g sample.

%KHCO₃ = 1.25 g/1.775 g × 100% = 70.4%

A 1.775g sample mixture of KHCO₃ is decomposed by heating. if the mass loss is 0.275g, the mass percentage of KHCO₃ is 70.4%.

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Answer:

Silk! All the others were inventions of the Han period.

Explanation:

Silk fabric was invented in Ancient China. Legend has it that the process for making silk cloth was first invented by the wife of the Yellow Emperor, Leizu, around the year 2696 BC.

- profparis

Answer: test two

Explanation: it sits in between both

Answer:

The visual seems to be showcasing an erupting volcano, so I don't believe the two are related.

Explanation:

Answer:

so what do you need help with?

Explanation:

Answer:

what do you need help with i will try to answer

Explanation:

Mass of sodium :- 23 grams

Mass of Chlorine :- 35.5 grams

Mass of NaCl :- 58.5 grams

mass given :- 25 grams

moles :- 0.432 ( given mass/ ionic mass)

[tex]molarity = \frac{moles}{vol} \\ molarity = \frac{0.432}{2} \\ molarity = 0.216 \: mole{l}^{ - 1} or \: molar[/tex]

Answer:

It goes through a process called absorption. This is when an atom absorbs the energy from its surroundings. The electrons move from the ground state to the excited state because of this process. Once the atoms absorb energy, that affects the inner development when shifting to a new state of being.

Explanation:

The process that is known as absorption is when an atom absorbs energy from its surrounding racing it's energy level causing it to go into an excited state or highly-reactive state. When an atom goes through this process, electrons absorb the energy and raise to higher energy levels, therefore raising the stage of itself. This is how it gets into a excited state.

This is a microscope.

Hope this clears that up for you.

The strong bases are hydroxides of group 1 and 2 metals (ex. Sodium, Potassium) or larger group transition metals (Copper, Iron), or oxides of the same metals.

It follows from structure of strong bases that they are composed of highly electropositive metals of groups 1 and 2 and the hydroxide ion.

Additionally, transition metals may also form bases with the hydroxide ion or oxides of this transition metals.

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In a redox reaction, electron could be lost or gained. The coefficients in the balanced redox reaction are;  1/2, 5, 1, 5, 2, 1.

A redox reaction equation shows the species that were oxidized or reduced in a redox reaction. In this case, we are asked for the coefficients in a balanced redox reaction equation.

We must recall that five electrons were lost/gained in the process hence the balanced reaction equation is;

1/2I2 + 5HNO3 -----> IO3^- + 5NO2 + 2H2O + H^+

The coefficients in the balanced equation therefore are; 1/2, 5, 1, 5, 2, 1.

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The following redox equation is balanced with the smallest whole number coefficients, the coefficient for nitrogen dioxide will be 10.

In redox reaction, there is transfer of electrons between the species of the reactions.

The given redox reaction is

[tex]\rm I2 (s) + HNO_3 (aq) -- > HIO_3 (aq) + NO_2 (g) + H_2O[/tex]

To find coefficient of the compounds of the reaction, there are coefficient calculator present.

Thus, the coefficient for nitrogen dioxide will be 10.

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This is because amino group of p-aminobenzoic acid is an aniline and is less electrophilic than an alkyl amine.

This is an aromatic amine which consists of a phenyl group attached to an amino group.

The amino group of p-aminobenzoic acid being an aniline makes it less electrophilic which is why an alkyl amine participates in the reaction instead.

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The amino group of p-aminobenzoic acid does not participate in the reaction as this is an aniline and is less electrophilic than an alkyl amine.

Aniline is an aromatic amine molecule in which phenyl group is attached with an amino group.

The amino group present in the p-aminobenzoic acid behave as an aniline as a result of which it becomes less electrophilic in nature and this is the reason why an alkyl amine participates in the reaction instead of the p-aminobenzoic acid.

Hence amino group of p-aminobenzoic acid is less electrophilic in nature and that's why not participate in the reaction.

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Answer:

1.12x10-10 or 0.63 ewan

Explanation:

Correct option is C)

The distance of centre of mass from carbon atom is,

xcm=m1+m2m1x1+m2x2

=12+1612×0+16×1.1

=0.63A˚

Thus, the centre of mass is 0.63A˚ from carbon atom.

The distance between a carbon atom and an oxygen atom in the co molecule is 0.63

Distance is the measurement of the farness of two objects from each other.

The distance between the molecules can be calculated by the given formula

[tex]xcm = m_1+m_2m_1\times 1+m_2 \times 2[/tex]

Putting the values in the equation

[tex]xcm = 12+1612 \times 0+16 \times 1.1 = 0.63 A^\circ[/tex]

Thus, the distance between a carbon atom and an oxygen atom in the co molecule is 0.63

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Answer:

b. nuclear fuel has a higher energy density than fossil fuels.

Explanation:

Nuclear fuel is a quantity of energy measured in joules; therefore, it has the same units as electrical and mechanical energy.

Answer:

They are food for some animals. Some animals use them for nesting material. Humans can dry and burn some types of nonvascular plants as a fuel.

Explanation:

Some nonvascular plants produce various nutrients that are passed to the soil and can be used by other plants. Also, nonvascular plants that cover a large surface area help maintain the cohesion of the land by reducing the risk of erosion. Nonvascular plants are also very important to animals.

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Answer:

204,375 mL.

Explanation:

327 mL - 3.2 M

x mL - 2 M

x= (2 M x 327 mL) /3.2 M

x= 204,375 mL.

Answer:

Activation energy :)

Explanation:

The activation energy starts the reaction! Without it, we would not find out the solution!

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