each drug has chemical and physical properties that must be considered when developing the pharmaceutical formulation, these include:

Electrical conductivity can be used to determine the bond type because there are valence electrons that are not able to conduct electricity while free electrons can conduct electricity.

The valence electrons can be defined as those having a negative charge that are linked to atomic particles, while the free electrons do not form atomic particles in the sense they are unbound to atomic particles.

In conclusion, electrical conductivity can be used to determine the bond type because there are valence electrons that are not able to conduct electricity and while free electrons can conduct electricity.

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amount of mass in a given volume

Amount of mass in a given volume perfect describes the meaning of density. Hence option C is correct.

Density is the term used to describe the relation between the mass of the body and their volume. Density is a property that can be used to identify substances. Each substance has a unique density.

Example: wood ball density is less as compared to metal ball because wood ball is less than metal ball.

It describes how much matter is packed into a certain volume.

D = M/V

M =Mass (gram); V = Volume (ml or cm3); D = Density (gram/cm3)

Amount of mass in a given volume perfect describes the meaning of density. Hence option C is correct.

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Answer:

See below ~

Explanation:

A to B

⇒ Solid Phase

==========================================================

B to C

⇒ Melting

==========================================================

C to D

⇒ Liquid Phase

==========================================================

D to E

⇒ Vaporizing

============================================================

E to F and beyond

⇒ Gas Phase

Here is the structure for (E)-3-phenyl-2-propen-1-ol:

         H

         |

  H ─ C ─ C ─ C ─ OH

       |   ||

       |   |Ph

       |   |

       H   CH3

In the structure, "Ph" represents a phenyl group (C6H5) attached to the second carbon atom. The double bond between the second and third carbon atoms indicates the E configuration, meaning the higher priority groups (in this case, the phenyl group and the hydrogen atom) are on opposite sides of the double bond.

The -OH group represents an alcohol functional group attached to the first carbon atom.

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Answer:

\(K2O\)

Explanation:

If you use a melting point periodic table there is a listing of all the elements and their melting point.

Potassium (K) has a melting point of 63.25 degrees Celsius and oxygen (O) has a melting point of -218 degrees Celsius. Therefore, if you add those two values up

\((63.25x2)+-218 = -91.5 Degrees Celsius\)

All the other compounds do not reach negatives.

Answer:

The reactants are on the left of the arrow, the products are on the right.

Explanation:

Reactants are the substances that exist before the chemical reaction takes place. When writing a chemical reaction or equation, they are found on the left of the arrow. They react to form new substances, which are known as the products. The products are found to the right of the arrow in the reaction.

One of the most frequent methods of exposure to beryllium is through e. workers' inhalation of beryllium in metal processing industries. Beryllium is commonly used in various industrial processes, such as metal machining, foundry work, and alloy production.

During these activities, fine particles or fumes containing beryllium can be generated and released into the air.

Inhalation of airborne beryllium particles is considered the primary route of exposure in occupational settings. Workers who are involved in tasks that generate beryllium-containing dust or fumes may inhale these particles, which can enter the respiratory system and potentially reach the lungs. Once inhaled, beryllium can pose a health risk and may lead to the development of lung diseases, such as chronic beryllium disease (CBD).

While other routes of exposure to beryllium, such as direct skin contact or ingestion, are possible, they are generally less frequent compared to inhalation in occupational settings. Direct skin contact or ingestion of beryllium may occur in certain situations, such as handling beryllium-containing materials without proper protective measures or accidental ingestion of contaminated substances. However, the primary concern for exposure to beryllium remains through inhalation in metal processing industries where beryllium is utilized.

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A potassium atom's ground state electron configuration is 1s2, 2s2, 2p6, 3s2, 3p6, 4s1.

An atom's electron configuration is a picture of how electrons are arranged in relation to orbital shells and subshells. Consequently, this is potassium's electron configuration.

Making Electron Configurations in Writing. Write the energy level (the period) first, then the subshell that needs to be filled, and finally the superscript, which indicates how many electrons are in that subshell. The atomic number, Z, is the sum of all the electrons.

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Answer:

Element is a pure substance that cannot split up into simpler form by chemical means while compound is a substance that is made up by two or more elements in a chemical combination

Periods are horizontal columns of the periodic table which have same number of shell

Groups are vertical columns with the same number of outer most shell

Halogens react with metals to form salts

5b. He arranged elements in order of their increasing atomic masses and by similarities of properties

6. Calcium Ca

Barium Ba

Helium He

Neon Ne

7a. 2NaOH + O2

7c. alkali Will observed

The correct shape that illustrates an SF6 molecule is octahedral.

An SF6 molecule consists of six fluorine atoms surrounding a central sulfur atom. The sulfur atom has six valence electrons, and each fluorine atom has seven valence electrons.

To complete the octet of each fluorine atom, the sulfur atom shares one of its electrons with each fluorine atom, resulting in six S-F covalent bonds. The electron pair geometry of the SF6 molecule is octahedral because the sulfur atom has six bonding pairs and no lone pairs.

The molecular geometry of the SF6 molecule is also octahedral because the six fluorine atoms are evenly distributed around the sulfur atom. This results in a symmetrical shape that resembles two pyramids connected at their bases.

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Answer:

The answer is

210.6+14.57=225.17mm.

Answer:

Explanation:

0.15 MG +1.15 MG +2.051 MG

Answer:

that acetic acid is the common name, whereas ethanoic acid is the chemical name given by IUPAC for the same compound.

Answer:

can be described as any living component that affects another organism or shapes the ecosystem.

Explanation:

Answer:

119,059.5 g/mol

Explanation:

First, find the mass of N2

On the periodic table, nitrogen is 14.007

Because there are two nitrogens, multiply it by 2

14.007*2 = 28.014 g

Now convert... (also don't let that exponent intimidate you! You can change it to 4250 if that makes it easier)

4.25 × 10³ mol * 28.014 g/1 mol = 119059.5 g/mol

Answer:

Thermal Energy

Explanation:

Thermal energy is the total internal kinetic energy of an object due to the random motion of its atoms and molecules They consist of the sum of the internal kinetic energy (thermal energy) and the potential energy of an object.

Answer:

B. thermal energy.

Thermal energy or heat is due to the movement or vibrations of tiny particles such as atoms and molecules.

Explination:

Einstein proved the existense of atoms through his observation of Brownian Motion (the random movement of a dust particle, caused by it bumping into atoms).

Answer:

The answer is

2 moles of hydrogen react with 1 mole of oxygen to form 2 moles of water

We are unable to replace salt with sugar. Many soluble carbohydrates with a sweet flavour and that are used in food are collectively referred to as sugar.

In addition to fructose, simple sugars also go by the name monosaccharides. also galactose. Disaccharides or double sugars are other names for compound of carbohydrates. Rock salt, also known as carbohydrates, is a naturally occurring crystalline mineral that is made up mostly of sodium chloride (NaCl), a chemical molecule that is a member of the larger class of salts. In seawater, salt is found in enormous amounts.

Seawater, where it makes up the majority of the minerals, contains a significant amount of it. Animal life cannot exist without salt, and humans' basic tastes include saltiness.

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Magnesium metal will conduct electricity via mobile electrons whether it is in the solid or liquid state.

Magnesium oxide will not conduct electricity in the solid state as they are no mobile charge carriers.

Molten (liquid) magnesium oxide has mobile ions and these can transfer electrons via mobile ions. This is electrolysis and the compound is turned back into its elements (magnesium and oxygen).

The organ system with the cell part that has a similar function is

a. Nucleus is like the brain of the cell

b. Cell wall is the skeletal system

c. Cell membrane would be the skin

d. Mitochondria is the digestive system

What is an organ system?

An organ system is a set of organs which interact to carry out a specific task in the body of an organism. Organs, which are self-contained collections of tissues like the heart that collaborate to carry out a single function, are present in the majority of animals and plants.

The nucleus operates as the cell's central remote control. By instructing the cell on what to do, how to develop, and when to reproduce, it serves as the brain of the cell.

The cell membrane is similar to the skin on a human since both protect the outer layer.

The plant cell is supported by and protected from external elements by the cell wall. It exclusively appears on plant cells. Given that it supports the cell, it is comparable to the skeletal system.

In your cell, mitochondria act as microscopic digestive systems that turn food into energy in a similar way to your own digestive system.

Therefore, the correct match of organ system with the cell part that has a similar function is

a. Nucleus is like the brain of the cell

b. Cell wall is the skeletal system

c. Cell membrane would be the skin

d. Mitochondria is the digestive system

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Answer:

lithosphere

Explanation:

Earth's interior layers are ordered by density. The densest layer is the solid metal inner core, the mantle is of intermediate density, and the least dense layer is the lithosphere, particularly the continental lithosphere.

The crust is the layer of the earth with the lowest density.

The crust is the rock layer that is the lightest and most buoyant on Earth. 41% of the Earth's surface is covered by continental crust, with a quarter of that covered by ocean floor. The thickness of the continental crust is 20 to 80 kilometers. Four billion years of Earth's history are stored in its rocks.

The crust is the outermost layer of the Earth, and it is only about 5-70 km deep. The mantle is the layer beneath the crust, which is about 2,900 km thick and has a thickness that varies. The core is divided into two sections: the inner core, which is solid, and the outer core, which is liquid. The Earth's surface is made up of several plates, which are continuously changing due to forces within the Earth.

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Answer:

Buoyancy.

Explanation:

Think of a balloon and a bowling ball. The volume of the balloon is the same for the bowling ball, but not the mass.

Answer:

b. Malic Acid

Explanation:

Malic (organic) Acid is found in apple.

GL

Answer: C.  Waves don't move matter, just energy.

Explanation:

The concentration of TCE is 28ppm, convert this to molarity. The molecular weight of TCE is 132g/mole. The molarity of TCE is, therefore, 0.000212 M.

The term ppm stands for parts per million. This term is used to describe the concentration of a substance present in a given solution or mixture. To find the molarity of TCE, the given concentration of TCE in ppm needs to be converted into molarity.

The given concentration of TCE is 28ppm.

1 ppm = 1 mg/L1mg/L = 10^-3 g/L

The molecular weight of TCE is 132g/mole.

Conversion of ppm to g/L is given as follows:

28 ppm = 28 mg/L

=28 x 10^-3 g/L

Number of moles of TCE in 1 L is:

mass of TCE/molecular weight of TCE = 28 x 10^-3/132

= 0.000212 mole/L.

The molarity of TCE is, therefore, 0.000212 M.

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Answer: F

Explanation:

The behavior of a strong acid is that it  it dissociates completely in aqueous solution, while weak acids partially dissociate in aqueous solution.

WHAT AN ACID IS:

Acids are chemicals that, when dissolved in water, split into protons (H+). Acids have a sour taste and have the capacity to color blue litmus paper red.

An acid can be classified as either weak or powerful, though. When in an aqueous solution, a strong acid entirely dissociates into hydrogen ions.

Strong acid is an acid that totally separates into ions in water.

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