Define the following:
A. Passive tranaport
B. Diffusion
C. Osmosis
D. Facilitated Diffusion
E. Active tranaport
F. Selectively permeable
G. Cellular respiration

Answer:

What are the answer choices????

Answer:

An increase in the number of gas molecules in the same volume container increases pressure. A decrease in container volume increases gas pressure. An increase in temperature of a gas in a rigid container increases the pressure.

Explanation:

Increasing the temperature would increase the pressure on the system

An atom is held together by three forces: the strong nuclear force, the electromagnetic force, and the weak nuclear force.

The strong nuclear force is the strongest of the three forces and is responsible for binding the protons and neutrons together in the nucleus of an atom. The strong nuclear force is a short-range force that acts only over a very small distance, and it is strong enough to overcome the repulsive forces between the protons, which are positively charged particles.

The electromagnetic force is the second strongest of the three forces, and it is responsible for binding the electrons to the nucleus of an atom. The electromagnetic force is a long-range force that acts over a larger distance than the strong nuclear force, and it is caused by the attraction between opposite charges (positive and negative).

The weak nuclear force is the weakest of the three forces, and it is responsible for certain types of radioactive decay, such as beta decay. The weak nuclear force is a short-range force that acts only over a very small distance, and it is much weaker than the strong nuclear force and the electromagnetic force.

Overall, the three forces at work that hold an atom together are the strong nuclear force, the electromagnetic force, and the weak nuclear force. These forces act at different ranges and with different strengths, but they all play a crucial role in maintaining the stability and integrity of an atom.

Answer:

Answer:

Potassium  (K)

Sodium  (Na)    

Calcium  (Ca)

Magnesium (Mg)  

Aluminium  (Al)

Iron  (Fe)  

Lead  (Pb)

Copper  (Cu)  

Silver  (Ag)

Gold  (Au)

Answer:

Explanation:

The glass (which does not crystallize even though it is accepted) of a window is NOT a mineral, since it is neither a substance of natural origin (although it is manufactured from natural components) nor does it have a defined crystalline structure, that is, the atoms they are not arranged in an orderly and regular way along axes and planes forming flat faces that keep a symmetry.

Remember that a mineral is defined as a solid, inorganic, homogeneous substance, of natural origin, with a crystalline structure and a determined and well-defined chemical composition within narrow margins and that has regular and characteristic physical properties.

Explanation: No, glass is not a mineral. ... Definable chemical composition: SiO2 *Actually, most industrially-produced glass is not pure silica, but having impurities is still a definable chemical composition so this part of the definition is ok. Orderly arrangement of atoms in a lattice: NO.

Fractional distillation is more efficient than simple distillation in separating two miscible liquids because it utilizes a fractionating column, which provides multiple stages for vapor-liquid contact.

Fractional distillation is a method used to separate two or more miscible liquids based on their boiling points. It involves the use of a fractionating column, which is a tall column packed with materials such as glass beads or metal plates. The column provides numerous stages where vapor and liquid can come into contact.

During fractional distillation, the mixture is heated, and the vapor rises through the fractionating column. As the vapor ascends, it cools down, and when it reaches a stage with a temperature below its boiling point, it condenses and returns to the liquid phase. This process is repeated as the liquid continues to evaporate and condense multiple times while moving up the column.

The fractionating column allows for efficient separation because it provides a large surface area for vapor-liquid contact. The repeated evaporation and condensation cycles enhance the separation of the different components in the mixture. The compounds with lower boiling points will tend to condense and collect at the higher stages of the column, while those with higher boiling points will condense and collect at the lower stages.

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Answer:

jellyfish

Explanation:

Answer: i would say jellyfish

Explanation:

just because this guy said so

Answer:

Frequency is 2Hz

Explanation:

Alpha decay is the correct answer .

What is Proton ?

A proton is a subatomic particle that is found in the nucleus (center) of an atom. It is positively charged and has a mass of approximately 1 atomic mass unit. The number of protons in an atom's nucleus is called its atomic number, which determines the element the atom is. For example, all hydrogen atoms have one proton and all helium atoms have two protons. Protons are one of the building blocks of matter and are essential for the stability of atoms. They participate in a variety of chemical reactions, such as those that form molecules, and also play a crucial role in nuclear reactions, such as those that take place in the sun to produce energy.

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Residual soil is a type of soil that forms from the weathering of underlying bedrock in a specific location. The properties that accurately describe residual soil the correct options are a, b, d, and, f.

a. Form in tropical environments: Residual soils are common in tropical environments where weathering processes are more intense due to warm temperatures and abundant moisture.

b. Dominated by chemical weathering: In residual soils, chemical weathering plays a significant role in breaking down the parent rock and transforming it into the soil. This leads to the formation of new minerals, including clay minerals, which contribute to the soil's characteristics.

d. Dominated by mechanical weathering: Mechanical weathering also contributes to the formation of residual soils. Processes such as freeze-thaw cycles, root penetration, and abrasion cause the disintegration of parent rock, contributing to the development of the soil profile.

f. Contain significant amounts of clay: Residual soils often contain high amounts of clay due to the chemical weathering processes that produce clay minerals. This high clay content affects the soil's physical properties, including its water-holding capacity and plasticity.

It is important to note that residual soils are found in various parts of the world, including Australia (c is incorrect). Additionally, residual soils are not transported via erosion (e is incorrect), as they remain in place and develop from the weathering of the underlying bedrock.

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Answer:

We in daily life use technology to pay virtually through virtual wallets, work at home, purchase packages to travel abroad, many businesses handle virtual advertising, that is why it is called the new "market window" to social networks or internet pages, university universities playful methods through virtual campuses or virtual classes.

The serious impact is very great since many of the activities of daily life change, and they will return to being as before the technology affected in our lives, reversing customs and technological generations.

The new technologies are: computer science, engineering, arquetectonica, scientific, industrial, commercial ... Where a fourth industrial revolution arises where many processes that were carried out by humans today would be automated by computers or technological devices that improve market efficiency, of consumption and industrialization.

Explanation:

In addition, new technologies are those that are based on electronic devices that are based on social communication, the development of social networks and technology based on global communications.

Answer: 28 billion

Explanation: To get the age of the rock, the half-life of thorium-232, which is 14 billion years, is to be multiplied to the number of half-lives it has passed. The answer is 28 billion.

Answer:

water

hehehehheehehhe

Answer:

5.2 x 10^8

Explanation:

Answer:

5.2x10^8

Explanation:

hope this helped

a. When suspended energy converts to energy in motion, we call this conversion kinetic energy.

b. The amount of energy available for transfer is called free energy.

c. We can calculate the amount of energy available using the Gibbs Free Energy Equation.

d. Some energy is lost to the environment during energy transfers. This unavailable energy increases entropy as it is released.

Suspended energy refers to potential energy. When potential energy is converted into kinetic energy, it is called energy transformation. Kinetic energy is the energy that an object possesses when it is in motion. Potential energy is the energy stored in bonds between atoms, which can be converted into kinetic energy when these bonds break.The amount of energy available for transfer is known as free energy. Gibbs Free Energy Equation is used to calculate the amount of free energy available for a reaction.

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Answer:

1.8 moles of NaCl must be produced.

Explanation:

Based on the reaction:

HCl + NaOH → NaCl + H2O

1 mol of HCl reacts with 1 mol of NaOH to produce 1mol of NaCl

To solve this question we must find, as first, the limiting reactant:

1.8 moles of HCl will need 1.8 moles of NaOH for a complete reaction (Ratio of reaction 1:1). As there are 3.3 moles of NaOH,

HCl is limiting reactant

When the 1.8 moles of HCl react completely,

1.8 moles of NaCl must be produced because 1 mole of HCl produce 1 mole of NaCl

The empirical formula of the hydrocarbon is CH2, and the molecular formula of the hydrocarbon is C2H4.

From the given data, we can obtain the empirical formula and molecular formula of hydrocarbon.

The given mass of hydrocarbon (CxHy) = 3.164 g

Given mass of CO2 formed = 9.929 g

Given mass of H2O formed = 4.065 g

First, we need to find out the number of carbon and hydrogen atoms in the given hydrocarbon.

To calculate the number of carbon atoms, we use the formula:

number of moles of CO2 formed = number of moles of carbon present in CxHy

Moles of CO2 = 9.929 g / 44.01 g/mol = 0.2258 mol

Thus, the number of moles of carbon present in CxHy is 0.2258 mol.

Also, each mole of carbon contains one mole of C atoms.

Hence, the number of carbon atoms in CxHy is also 0.2258 mol. Next, we calculate the number of hydrogen atoms using the formula: number of moles of H2O formed = number of moles of hydrogen present in CxHy

Moles of H2O = 4.065 g / 18.015 g/mol = 0.2258 mol

Thus, the number of moles of hydrogen present in CxHy is 0.2258 mol. Also, each mole of water contains two moles of hydrogen atoms. Hence, the number of hydrogen atoms in

CxHy is 2 × 0.2258 mol = 0.4516 mol

Empirical formula of the hydrocarbon = CH2

To find the molecular formula of the hydrocarbon, we need to know its molecular mass. The molar mass of the compound is given as 28.05 g/mol.

The empirical formula mass of CH2 is 14.03 g/mol.

Thus, the molecular formula of the hydrocarbon = (28.05 g/mol) / (14.03 g/mol) = 2 times the empirical formula

Therefore, the molecular formula of the hydrocarbon = C2H4

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Answer:

C

Explanation:

The elements that will most likely lose an electron are those that are in Group 1. This is because they only have one valence electron in their outer shell. Atoms want to have 8 electrons in their outer shell and in order for the elements of Group 1 to do so, they could either lose one electron or gain 7 but losing one is easier to do. Out of these answer choices, the only one that belongs to Group 1 is potassium.

Answer:

C

Explanation:

Group 1 elements lose an electron to form charged positive ions.

Potassium is from group 1.

Potassium is most likely to lose an electron.

Answer:

whyyyy?what happened hmmmm hahahahahhajajaha

The equivalent of 5.690 × 10³ miles in metres is 9157167 metres. Details about metres and miles can be found below.

Miles and metres are both units for measuring distance between two bodies or locations.

However, they can be converted interchangeably as follows:

1 mile = 1609.34 metres

According to this question, 5.690 × 10³ miles can be converted to metres as follows;

5.690 × 10³ × 1609.34 = 9157167 metres.

Therefore, the equivalent of 5.690 × 10³ miles in metres is 9157167 metres.

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All of the following are significant computer-related concerns that the Bureau of Consumer Protection (BCP) addresses, with the exception of how to increase the number of "cookies".

What is a consumer ?

Consumers are those who buy products for their own needs and utilise or consume them.

Product liability, privacy rights, unfair business practises, fraud, misrepresentation, and other consumer/company interactions are only a few of the many themes covered by consumer protection. Although a customer cannot resell the good, product, or service, he or she may use it to support himself or herself and engage in self-employment.

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Hypoxia is a disorder that develops when the body's tissues do not receive enough oxygen. Option A is correct.

One of the variables that might cause hypoxia is high altitude. Because of the lower air pressure at high elevations, the body receives less oxygen. This happens as a result of a drop in atmospheric oxygen partial pressure.

The amount of oxygen that is accessible for breathing therefore declines. In addition, the amount of oxygen that can dissolve in the bloodstream is reduced due to the drop in barometric pressure at high elevations.

As a result, hypoxia at high elevations is caused by both a drop in the partial pressure of oxygen and a fall in barometric pressure.

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The question is -

Hypoxia may occur at high altitudes due to which of the following factors?

Select all that apply.

a. Less oxygen enters the blood.

b. The partial pressure of oxygen decreases.

c. The partial pressure of oxygen increases.

d. The barometric pressure is lower.

The entropy change δs° for the reaction

NH4Cl(s) → NH3(g) HCl(g)

will be negative. The statement is false.

The term ∆S refers to change in entropy. As entropy determines the measure of randomness. This refers that more randomly molecules of a substance are moving more will be its entropy.

If value of ΔS is negative then it refers that there is decease in entropy. When value of ΔS is positive then it refers that there is increase in entropy.

In solids, molecules are closer to each other. So, the entropy of solid is minimum. Liquids has more entropy than solids and gases has maximum entropy.

Now, in the chemical reaction

NH4Cl(s) → NH3(g) HCl(g)

1 moles converted into 2 moles. This means entropy increases. So there will be positive sign.

Thus, we concluded that the entropy change δs° for the reaction

NH4Cl(s) → NH3(g) HCl(g)

will be positive.

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Answer:

SEi the answer is he need some milk and meta and cuCUMbers

Explanation:

Some of the glucose molecules and minerals are combined into large organic molecules (biosynthesis) in the plant's cells. This building of large organic molecules in all kinds of cells is how the potato grows.

In the cells of the plant, certain glucose molecules and minerals are combined to form bigger organic molecules (biosynthesis). The potato grows by assembling big organic molecules in several types of cells.

The molecules contains Water (75-78%), proteins (2%), carbs (16–22%), fats (0.1–0.15%), cellulose (0.4-0.6%), ash (0.3-2), and dietary fiber (2%), according to Sablani and Mujumdar [60], were taken into account.

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Complete crystallization refers to the process of obtaining the maximum yield of a product from the solvent. During the process, the hot solvent, which contains the solute, is cooled to reduce its solubility in the solvent. The solute then crystallizes from the solvent, forming a pure solid product.

When acetanilide is dissolved in a hot solvent, it dissolves completely. However, when the solvent cools down, it can no longer hold the solute in solution, leading to the crystallization of acetanilide as a solid.

In contrast, impurities may remain dissolved in the solvent because they are more soluble than acetanilide.

To ensure complete crystallization, the mixture is cooled using ice. The low temperature decreases the solubility of acetanilide in the solvent, causing it to precipitate out as a solid.

The cooling process is typically conducted slowly to enhance the likelihood of complete crystallization, resulting in a purer product.

The purity of the obtained acetanilide is determined by measuring its melting point. A pure compound usually exhibits a high and narrow melting point range, while an impure compound has a lower and broader melting point range.

Therefore, if the melting point of acetanilide is high and has a narrow range, it is likely to be pure.

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To successfully synthesize the product, use the reagents and conditions listed above, that include Hcl, H2O,[2] H2O h [1] CH3CO2H NaOE, LiAlH4, and LDA.

Everything that is needed would be to establish a connection or to put things together. Inside an effort to help others link disparate ideas, we naturally blend knowledge. Synthesis occurs, for instance, when you discuss with a friend what various friends have said about a piece of music or a movie.

Synthesis is the process of combining different elements to create a whole. When instructing students to produce a literature search or any work that calls for the utilization of numerous sources, writing instructors frequently use this term.

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Answer:

A gas occupies a volume of 250 mL at a pressure of 76 kPa and a temperature of 298 K.

Explanation:

Charles's law states that for a given sum of gas at constant pressure, as the temperature increases, the volume of the gas increases and as the temperature decreases, the volume of the gas decreases. This mathematical law expresses that the quotient that exists between the volume and the temperature will always have the same value:

\(\frac{V}{T} =k\)

Gay-Lussac's law says that when there is a constant volume, as the temperature increases, the pressure of the gas increases. And when the temperature is decreased, the pressure of the gas decreases. This law mathematically says that the quotient between pressure and temperature is constant:

\(\frac{P}{T} =k\)

Finally, Boyle's law says that the volume occupied by a certain gaseous mass at constant temperature is inversely proportional to the pressure. This law is expressed mathematically as

P * V = k

Combined law equation is the combination of three gas laws called Boyle's, Charlie's and Gay-Lusac's law:

\(\frac{P*V}{T} =k\)

Analyzing an initial state 1 and a final state 2, it is satisfied:

\(\frac{P1*V1}{T1} =\frac{P2*V2}{T2}\)

In this case:

Replacing:

\(\frac{38 kPa*500 mL}{298 K} =\frac{76 kPa*250 mL}{T2}\)

Solving:

\(T2*\frac{38 kPa*500 mL}{298 K} =76 kPa*250 mL\)

\(T2=\frac{76 kPa*250 mL*298 K}{38 kPa*500 mL}\)

T2= 298 K

A gas occupies a volume of 250 mL at a pressure of 76 kPa and a temperature of 298 K.