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The components of the gunpowder could be separated by dissolution in water and carbon disulfide.

The gunpowder is a mixture that is used in guns and some other explosives. The gun powder is a mixture of substances. The substances that are found in gun powder are;  potassium nitrate, charcoal and sulfur.

Now, we could first add water to the system. The water would remove the potassium nitrate from the mixture then we can filter. After the filtration, carbon disulfide could be added to remove sulfur. The residue that is obtained now contains the carbon.

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Answer:

(CH3COO)2 + redP + Cl2 → ClCH2COOH + HCl

Explanation:

This is an example of halogenation of carboxylic acids at alpha carbon atom. In this reaction, red phosphorus and chlorine are treated with carboxylic acids having alpha hydrogen atom followed by hydrolysis to form alpha chloro carboxylic acid.

The properties of the dyes you can make from different flowers are:

Flower dyes have unique colors to offer a range of options for marketing. Rose petals yield pink and red shades. They are Natural and safe. Eco-conscious consumers prefer synthetic-free products, making your dyes attractive.

In terms of Aromatic Qualities: Lavender and jasmine smell nice. Using these flowers in dyes adds subtle scents for a sensory experience. Lightfastness and durability are crucial for creating dyes that resist fading when in the sunlight.

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Answer:

The answer is 1.25m

In the electron transport chain, 1 NADH molecule pumps 10 protons.

The electron transport chain (ETC) is a series of protein complexes that transfer electrons from NADH and FADH2 to oxygen. As electrons are transferred, energy is released, which is used to pump protons (H+) from the mitochondrial matrix to the intermembrane space. This creates a proton gradient, which drives the synthesis of ATP by ATP synthase.

Each NADH molecule that enters the ETC pumps 10 protons across the inner mitochondrial membrane. This is because four protons are pumped by complex I, four protons are pumped by complex III, and two protons are pumped by complex IV.

The number of ATP molecules produced per NADH and FADH2 molecule varies depending on the organism. In humans, each NADH molecule produces about 3 ATP molecules, while each FADH2 molecule produces about 2 ATP molecules.

Thus, in the electron transport chain, 1 NADH molecule pumps 10 protons.

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Explanation:

the pressure and temperature of the air increase

reason:

the volume of the space containing air decreases.

Explanation:

Whether you know it or not, compressed air is involved in every aspect of our lives, from the balloons at your birthday party to the air in the tires of our cars and bicycles. It was probably even used when making the phone, tablet or computer you’re viewing this on.

The main ingredient of compressed air is - you guessed it! - air. Air is a gas mixture, which means it consists of many different gases. Primarily these are nitrogen (78%) and oxygen (21%).

The temperature of the air is directly proportional to the mean kinetic energy of these molecules. This means that the air temperature will be high if the mean kinetic energy is large (and the air molecules move faster). The temperature will be low when the kinetic energy is small.

Compressing the air makes the molecules move more rapidly, which increases the temperature. This phenomenon is called “heat of compression”. Compressing air is literally to force it into a smaller space and as a result bringing the molecules closer to each other. The energy that gets released when doing this is equal to the energy required to force the air into the smaller space. In other words, it stores the energy for future use.

Answer:

I personally think it would be all of the above

The type of glass that has been exposed to high temperatures and shatters into tiny pebble-like fragments when it breaks is called tempered glass.

Tempered glass is a type of safety glass that has been treated with heat and chemicals to make it stronger and more durable than regular glass. When it breaks, it shatters into small, rounded fragments that are less likely to cause injury than the sharp shards produced by regular glass. Tempered glass is commonly used in applications where safety is a concern, such as car windows, shower doors, and storefront windows. It is also used in the construction of buildings, furniture, and appliances.

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The formula equation is more meaningful than a word equation because the word equation only defines what the reactants and products are, whereas the formula equation defines which and how much of each element is present in the chemicals and also give some indication as to their structure.

Answer:

The formula equation is more meaningful than a word equation because the word equation only defines what the reactants and products are, whereas the formula equation defines which and how much of each element is present in the chemicals and also give some indication as to their structure

Explanation:

The formula equation is more meaningful than a word equation because the word equation only defines what the reactants and products are, whereas the formula equation defines which and how much of each element is present in the chemicals and also give some indication as to their structure

Answer:

nucleus

Explanation:

An atom itself is made up of three tiny kinds of particles called subatomic particles: protons, neutrons, and electrons. The protons and the neutrons make up the center of the atom called the nucleus and the electrons fly around above the nucleus in a small cloud.

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Answer:

Explanation:

The answer is C Liquid

The minimum preflush volume (gallons of acid solution per foot of formation thickness) required is:Volume of preflush solution (gallons/ft) = 0.17045 x 33.45= 5.7 gallons/ft.

a. Dissolving power of HF/HCL mixture:For the given equation, the molecular weight of potassium feldspar is 278.4 and the specific gravity of HF (3% solution) is 1.152. Therefore, we can calculate the gravimetric dissolving power of HF/HCl mixture as follows:Weight of HF = 3/100 x 1 x 1000 = 30 g/LiterThe equation requires 14 moles of HF to dissolve 1 mole of orthoclase feldspar. Therefore, the number of moles of HF required to dissolve 3% of orthoclase feldspar is:(14/1) x (3/100) = 0.42 mole/Liter

The volume of HF required to dissolve 3% of orthoclase feldspar is therefore:Volume of HF = (0.42 x 20)/30 = 0.28 L/LiterThe gravimetric dissolving power of HF/HCl mixture is calculated as follows:Dissolving power = (MW of orthoclase feldspar)/(Volume of HF required to dissolve 3% orthoclase feldspar)Dissolving power = 278.4/0.28 = 994.28 g/Liter

The volumetric dissolving power of HF/HCl mixture is calculated as follows:Dissolving power = (MW of orthoclase feldspar)/(Number of moles of HF required to dissolve 3% orthoclase feldspar)Dissolving power = 278.4/(0.42 x 20) = 330.86 g/Literb. Minimum preflush volume (gallons of acid solution per foot of formation thickness) required:Given data:Porosity = 0.22Volume of calcite = 12%Volume of sandstone = 88%Volumetric ratio of acid to sandstone (S):A = 1 - 0.12 = 0.88B = 0.12S = 0.15/0.88 = 0.17045The radius of the wellbore (r) is 0.328 ft.The volume of the annular region that needs to be flushed = πr²h= 3.14 x 0.328² x 36= 12.61 cubic feetVolume of the sandstone = Volume of the annular region that needs to be flushed/porosity= 12.61/0.22= 57.32 cubic feetThe thickness of the sandstone layer (h) = Volume of sandstone/area of annular region that needs to be flushed= 57.32/(π(0.328)² - π(0.328-0.0625)²)= 33.45 ft

Therefore, the minimum preflush volume (gallons of acid solution per foot of formation thickness) required is:Volume of preflush solution (gallons/ft) = 0.17045 x 33.45= 5.7 gallons/ft.

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Answer:

Explanation:

budding

Figure 13.3 (a) Hydra reproduce asexually through budding: a bud forms on the tubular body of an adult hydra, develops a mouth and tentacles, and then detaches from its parent. The new hydra is fully developed and will find its own location for attachment.

Answer:

23.0 s⁻¹ is rate constant

Explanation:

Using the Arrhenius equation:

k = A * e^(-Ea/RT)

Where k is rate constant

A is frequency factor (1.5x10¹¹s⁻¹)

Ea is activation energy = 55800J/mol

R is gas constant (8.314J/molK)

And T is absolute temperature (24°C + 273 = 297K)

Replacing:

k = 1.5x10¹¹s⁻¹ * e^(-55800J/mol/8.314J/molK*297K)

k = 1.5x10¹¹s⁻¹ * 1.53x10⁻¹⁰

Answer: Carbon,Hydrogen, Chlorine

Explanation:

C=Carbon

H=Hydrogen

Cl=Chlorine

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Approximately 0.135 g of ammonium chloride is needed for 25.00 mL of a 0.1000 M solution.

To calculate the mass of ammonium chloride needed for 25.00 mL of a 0.1000 M solution, we first need to determine the number of moles of ammonium chloride required:

moles of ammonium chloride = volume of solution (in L) x concentration of solution (in mol/L)

Since the volume of solution is given in mL, we need to convert it to L:

25.00 mL = 0.02500 L

Now we can substitute the given concentration of the solution to get the number of moles of ammonium chloride:

moles of ammonium chloride = 0.02500 L x 0.1000 mol/L = 0.00250 mol

Finally, we can calculate the mass of ammonium chloride needed using its molecular weight (53.49 g/mol):

mass of ammonium chloride = moles of ammonium chloride x molecular weight of ammonium chloride

mass of ammonium chloride = 0.00250 mol x 53.49 g/mol = 0.135 g (to three significant figures)

Therefore, approximately 0.135 g of ammonium chloride is needed for 25.00 mL of a 0.1000 M solution.

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the complete question is:

Calculate the approximate mass of ammonium chloride needed for 25.00 ml of a 0.1000 m solution by substituting the value of the molecular weight of ammonium chloride into the following equation:

mass = molarity x volume x molecular weight

Please show all your work and include the units in your answer.

No idea what this is for, but I hope you have an amazing day:)

The compound that will form the most intensely colored 0.01 M aqueous solution will depend on the specific compound and its ability to exhibit color in solution.

The compound that will form the most intensely colored 0.01 M aqueous solution will depend on the specific compound and its ability to exhibit color in solution. Without knowing the specific compounds being considered, it is difficult to provide a definitive answer. Different compounds can exhibit a wide range of colors based on their molecular structure and electronic transitions.

In general, compounds with highly conjugated systems or transition metal complexes tend to exhibit intense colors in solution. These compounds often have extended delocalized π-electron systems that allow for absorption of light in the visible range, resulting in the observed color.

To determine which compound would form the most intensely colored solution, it would be necessary to consider the specific compounds and their molecular structures, including the presence of conjugated systems or transition metal ions. Conducting experiments or consulting references specific to the compounds in question would provide more accurate information regarding their coloration in aqueous solution.

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Answer:

electrons

The nucleus contains two types of subatomic particles, protons and neutrons. The protons have a positive electrical charge and the neutrons have no electrical charge. A third type of subatomic particle, electrons, move around the nucleus. The electrons have a negative electrical charge

Explanation:

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Carbon dioxide has one more resonance form than ozone.

Define resonance.

In resonance, more than one or two Lewis structures can each represent a single substance (or molecule). The overall Lewis structure of a chemical (or molecule) is a mix of the two.

One of the three resonance structures in carbon dioxide, or CO2, is a significant contributor. Four valence electrons from carbon and six from each oxygen atom make up the total of 16 in the CO2 molecule. All three resonance structures have full octets of atoms, however structure 1 will be more stable and so contribute more because it lacks charge separation.

Because both oxygen atoms have formal charges, structures 2 and 3 exhibit charge separation. Furthermore, the stability of these two complexes is further diminished by oxygen having a positive charge.

We have two significant resonance structures for ozone, both of which are equally important to the molecule's overall hybrid structure. The required 18 valence electrons are provided by both configurations (6 from 3 bonds and 12 as lone pairs placed on the oxygen atoms).

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Answer:

0.41 and 0.02 moles Au

Explanation:

Moles:

81 grams (2.6 troy oz):

mole Au = 81g/(196.97 g/mole) = 0.41 moles Au

4.0g (0.13 oz):

mole Au = 4.0g/(196.97 g/mole) = 0.020 moles Au

Answer:

C.3

13AL

2.8.3

The number of electrons from the outermost shell is the valence of the element.

Answer:

blurred an pic mo paki ayos

The number of vacancies comes out to be 3.52 *10¹⁸/cm³ that can be shown in the below expalnation.

The number of vacancies can be calculated using the below formula-

Nv = N exp (-Qv / kT)

     = (Na x D / A) exp (-Qv / kT)

It is given that,

D = 18.63 g/cm³

Na is known which is 6.022*10²³ atoms/mol also called Avogadro's number.

Qv = 0.98 eV/atom

T = 1173 K

K = 8.65*10⁻⁵ eV/atom-K

Substituting these values in the above equation as follows-

Nv = (6.02*10²³ atoms/mol) (18.63 g/cm3) / (1969.9 g/mol) exp (0.98 ev/atom / (86.2*10⁻⁵ ev atom -K)(1173 K)

    = 3.52 *10¹⁸/cm³

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Answer:

molecular formula of liquid = C₈H₁₈

Explanation:

First we determine the empirical formula of the liquid:

Number of moles of each element present in the liquid = % mass / molar mass

For Carbon, (molar mass = 12.01 g/mol) : 84.2/12.01 =7.011 moles

For Hydrogen (molar mass = 1.01 g/mol) : 15.8/1.01 = 15.643

Simplest mole ratio of the elements, C : H  is given by:

C = 7.011/7.011 = 1.0

H = 15.643/7.011 = 2.23

Multiplying through with 5, C:H = 5:11

Therefore, empirical formula is C₅H₁₁

The molecular mass of the liquid is next determined:

Using PV = nRT to find the number of moles of the liquid present

P = 5.0 atm; V = 568.0 mL = 0.568 L; R = 0.082 L*atmmol⁻¹ K⁻¹; T = 273 + 120 = 393 K

n = PV/RT = (5*0.568)/0.082*393

n = 0.088 moles

Molar mass of liquid = mass/no of moles = 10.0 g/ 0.088 moles = 113.63 gmol⁻¹

Molecular formula = n(empirical formula)

Molar mass of empirical formula, C₅H₁₁ = 71 gmol⁻¹

n = molecular mass/empirical mass = 113.63/71 = 1.6

Therefore, molecular formula =  1.6*(C₅H₁₁) = C₈H₁₈

An atom is made up of three subatomic particles namely; protons, neutrons and electrons.

The proton is the positively charged particle in the nucleus of the atom while the electron is the negatively charged particle surrounding the nucleus.

The number of neutrons can be calculated by subtracting the atomic number of the element from the mass number.

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The Light Is- Electric To Radiant

Car Battery- Chemical To Electric

Wind Thingy- Motion To Electric

Fan- Electric To Motion

Guitar- Electric To Sound

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The attraction between the nucleus and electrons decreases tends to occur in groups that results in an increase in atomic radius.

Magnesium atoms have atomic radii that are lower than those of sodium atoms. The magnesium atom's smaller radius is mainly due to the fact that it has two more electrons in its outermost energy level than the sodium atom does.The attractive interactions between the nucleus and the additional electrons in the magnesium atom make them weaker, which leads to a reduced atomic radius. An element's atomic radius serves as a gauge for the size of its atoms.

The atomic radius of atoms increases in groups of elements on the Periodic Table of the Elements. Which best describes what tends to occur in groups that results in an increase in atomic radius?

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