Which law related the number of moles of gas to the pressure of the system?.

Answer:

alligators protect their offspring by digging a hole where they bury their eggs and stay all the meanwhile on top of the hole protecting their offspring. baby alligators can be eaten by birds and snakes. they for short periods of time take a break to hunt for food. when their hatchling hatch they keep them in their mouth until they're in the water. alligators are good protecting their offspring.

seahorses make the males take care of their baby's till they are born and male seahorses join together in groups to help protect eachother. once the babies are born male seahorses are still together helping raise their pups

Alligators bury their eggs in a hole that they have dug, and they then spend the entire time on top of the hole guarding their young. Therefore, by below given ways animals take care of their offspring.

Offspring refers to the new organism that an organism creates via the act of reproduction. Both birds and snakes can consume young alligators. They stop for brief periods of time to go food hunting. They hold their hatchlings in their mouths until they are in the water after they hatch. Alligators do a superb job of safeguarding their young.

Male seahorses form groups to assist defend one another, and they are required to care for their young until they are born. Male seahorses continue to work together to nurture their young after the babies are born.

Therefore, by above ways animals take care of their offspring.

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Answer:

To determine the amount of AgCl formed, we need to follow the stoichiometry of the balanced equation and calculate the molar amounts of the reactants and products.

First, let's calculate the number of moles of FeCl3 used:

Molar mass of FeCl3 = atomic mass of Fe + (3 * atomic mass of Cl)

= (55.845 g/mol) + (3 * 35.453 g/mol)

= 162.204 g/mol

Moles of FeCl3 = mass of FeCl3 / molar mass of FeCl3

= 6.60 g / 162.204 g/mol

= 0.0407 mol

According to the balanced equation, the ratio of FeCl3 to AgCl is 1:3. Therefore, 1 mol of FeCl3 reacts to form 3 mol of AgCl.

Moles of AgCl formed = 3 * moles of FeCl3

= 3 * 0.0407 mol

= 0.1221 mol

Finally, let's calculate the mass of AgCl formed:

Molar mass of AgCl = atomic mass of Ag + atomic mass of Cl

= 107.868 g/mol + 35.453 g/mol

= 143.321 g/mol

Mass of AgCl formed = moles of AgCl formed * molar mass of AgCl

= 0.1221 mol * 143.321 g/mol

= 17.49 g

Therefore, if you combine 6.60 grams of FeCl3 with an excess of AgNO3, you will form approximately 17.49 grams of AgCl.

Answer:

CO2(C)

Explanation:

This is because there is a mutual sharing of electrons between the atoms or elements...That's to say covalent bond exist between them.

Approximately 551.63 grams of iodine (I2) must be used to prepare a 0.960 molar solution using 100.0 grams of ethanol (C2H5OH).

To determine the mass of iodine (I2) required to prepare a 0.960 molar solution using 100.0 g of ethanol (C2H5OH), we need to first calculate the number of moles of ethanol and then use the stoichiometry to determine the corresponding moles of iodine.

Step 1: Calculate the moles of ethanol (C2H5OH):

Molar mass of ethanol (C2H5OH) = 12.01 g/mol (C) + 2 * 1.01 g/mol (H) + 16.00 g/mol (O) = 46.07 g/mol

Moles of ethanol = Mass of ethanol / Molar mass of ethanol

= 100.0 g / 46.07 g/mol

≈ 2.17 mol

Step 2: Use the stoichiometry to determine the moles of iodine (I2):

From the balanced chemical equation for the preparation of the solution, we need a 1:1 mole ratio between ethanol and iodine.

Therefore, the moles of iodine = Moles of ethanol = 2.17 mol

Step 3: Calculate the mass of iodine:

Mass of iodine = Moles of iodine * Molar mass of iodine

= 2.17 mol * 253.80 g/mol

≈ 551.63 g

It's important to note that the molarity (M) of a solution is defined as the number of moles of solute per liter of solution. In this case, the molarity is given as 0.960 M, indicating 0.960 moles of solute per liter of solution.

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The correct option is B, After a short time, the ballon begins to expand. This investigation verify as particles gain energy the material takes up more space.

Particles are the smallest units of matter that exist in the universe. They can be divided into two main categories: elementary particles and composite particles. Elementary particles are the fundamental building blocks of matter and cannot be broken down into smaller particles. They include quarks, leptons, and gauge bosons.

Composite particles, on the other hand, are made up of two or more elementary particles. They include atoms, molecules, and subatomic particles such as protons, neutrons, and electrons. Particles play a crucial role in physics, as they are the focus of many fields of study, including quantum mechanics and particle physics. Scientists use sophisticated instruments such as particle accelerators to study and understand the behavior of particles.

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Answer:

The short steep ramp would be much harder because you will have to work more against gravity.

Explanation:

The long shallow ramp would be easier to take than the short, steep ramp because the person would have to use more force on the short, steep ramp to push the wheelchair against the force of gravity.

An inclined plane or a ramp can be defined as a flat supporting surface tilted at an angle, with one end higher than the other, utilized as an aid for raising or lowering a load.

The inclined plane can be defined as one of the six classical simple machines developed by Renaissance scientists. Inclined planes can be utilized to move heavy loads over vertical obstacles.

Moving a body up an inclined plane needs less force than lifting it straight up, at a cost of an increase in the distance moved. The mechanical advantage, the factor by which the force is decreased, is equal to the ratio of the sloped surface's length to the height it spans.

The inclined plane provides the same amount of work to be done with a smaller force exerted over a greater distance. The angle of friction or the angle of repose can be defined as the maximum angle at which a load can rest motionless on an inclined plane because of the friction without sliding down.

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Answer:

Electrons orbit the nucleus.

Answer:

electrons

Explanation:Atoms are made up of protons and neutrons located within the nucleus, with electrons in orbitals surrounding the nucleus.

If the mass of H₂o is 102. 3g and the initial temp is 23. 1c and the final temp is 26. 0c . The final initial temp is 296.67 K or 23.52 °C.

The amount of heat required to raise the temperature of a substance by 1°C is known as specific heat capacity of that substance.

Given that,

The mass of water (H₂O ), m = 102.3 g.

The initial temperature is given by T₁ = 23.1°C = 296.1 K

The finial temperature is T₂= 26°C =299 K

Therefore, change in temperature,ΔT = T₂- T₁= 299k - 296.1k=2.9

The final initial temperature is given as

= mΔT

=102.3 ×2.9

=296.67 K

=23.52 °C

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Answer: THERMAL ENERGY

Explanation: thermal is also known as heat and the body contains more of heat

hope it helps

Answer:

Water is a remarkable substance, and its unique properties are largely due to the presence of polar covalent bonds and hydrogen bonds in its structure. These characteristics play a crucial role in the physical and chemical properties of water, making it essential for life as we know it.

Explanation:

The polar covalent bonds in water arise from the unequal sharing of electrons between oxygen and hydrogen atoms. This results in the oxygen atom having a partial negative charge (δ-) and the hydrogen atoms having partial positive charges (δ+). These charges create polarity within the water molecule, leading to the formation of hydrogen bonds.

Hydrogen bonds occur when the partially positive hydrogen atom of one water molecule is attracted to the partially negative oxygen atom of another water molecule. These hydrogen bonds are relatively weak individually, but when present in large numbers, they contribute to the cohesion, surface tension, and high boiling point of water.

The importance of these bonds is manifold. The cohesion between water molecules due to hydrogen bonding enables water to form droplets, have a high surface tension, and flow freely, facilitating transport within organisms and in the environment. Additionally, hydrogen bonding leads to the high specific heat capacity and heat of vaporization of water, making it an effective regulator of temperature in living organisms and ensuring stable environmental conditions.

Furthermore, hydrogen bonds play a crucial role in the unique properties of water as a solvent. The polar nature of water allows it to dissolve a wide range of substances, including ionic compounds and polar molecules, facilitating various biological processes such as nutrient transport and chemical reactions in cells.

Answer:=33.8 psi

Explanation:

Answer:

33.8007 (i think)

Explanation:

Answer:

Si.

Explicación:

Si un oficial de policía está controlando la velocidad en la carretera y dispara al vehículo con una pistola de radar. El policía mide la velocidad media del coche con esta pistola de radar. Una pistola de radar es un dispositivo que se utiliza para medir la velocidad de los objetos en movimiento que fue inventado por Bryce K. Brown en el año de 1954. La pistola de radar se utiliza con fines policiales para calcular la velocidad de los vehículos en movimiento.

Mg+ is predicted to have a higher ionization energy than Na. Na+ is predicted to have a higher ionization energy than Mg+.Ionization energy is the energy required to remove an electron from an atom or ion in the gas phase. As we move from left to right across a period in the periodic table, the ionization energy generally increases due to the increasing effective nuclear charge. This means that the positive charge of the nucleus increases, which makes it more difficult to remove an electron. Therefore, Mg+ is predicted to have a higher ionization energy than Na because Mg+ has a greater nuclear charge due to the loss of an electron.

When comparing Na+ and Mg+, we need to consider their respective electron configurations. Na+ has a noble gas electron configuration (neon) and Mg+ has a configuration of 1s22s22p6. The electron removed from Na+ is in a stable configuration, while the electron removed from Mg+ would result in a configuration of 1s22s22p5, which is not as stable. Therefore, Na+ is predicted to have a higher ionization energy than Mg+.

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Answer:

It is natural energy coming from nature . Natural energy can be made without the help of humans.

Explanation:

We have calculated the values of the equilibrium constant K and the reaction quotient Qc at each temperature and predicted whether the reaction is spontaneous or not.

At 298 K, the given reaction is spontaneous. At 1055 K, the given reaction is spontaneous. At 1455 K, the given reaction is spontaneous.

Given the reaction is:2CO(g) + O2(g) ⇌ 2CO2(g)

We are given 3 different temperatures as 298 K, 1055 K, and 1455 K.

We need to estimate the equilibrium constant K for the given reaction and predict whether the reaction is spontaneous or not at each temperature.

Temperature = 298 K Given temperature, T = 298 K Since the given reaction is an exothermic reaction, increasing temperature will shift the equilibrium to the left.

So, the value of K will decrease with an increase in temperature. So, the reaction quotient,

Qc = [CO2]2 / [CO]2[O2] = 1 / K

When we substitute the values in the expression of the reaction quotient, we get

Qc = [CO2]2 / [CO]2[O2] = (1 atm)2 / (1 atm)2

= 1

Thus, Qc < K.

Hence, the reaction will proceed in the forward direction to attain equilibrium.

Therefore, the given reaction is spontaneous at 298 K. Temperature = 1055 K Given temperature, T = 1055 K

Since the given reaction is an exothermic reaction, increasing temperature will shift the equilibrium to the left.

So, the value of K will decrease with an increase in temperature. So, the reaction quotient,

Qc = [CO2]2 / [CO]2[O2] = 1 / K

When we substitute the values in the expression of the reaction quotient, we get

Qc = [CO2]2 / [CO]2[O2]

= (0.2 atm)2 / (0.4 atm)2 (0.2 atm)

= 0.625

Thus, Qc < K.

Hence, the reaction will proceed in the forward direction to attain equilibrium. Therefore, the given reaction is spontaneous at 1055 K. Temperature = 1455 K

Given temperature, T = 1455 K

Since the given reaction is an exothermic reaction, increasing temperature will shift the equilibrium to the left.

So, the value of K will decrease with an increase in temperature.

So, the reaction quotient, Qc = [CO2]2 / [CO]2[O2] = 1 / K

When we substitute the values in the expression of the reaction quotient, we get

Qc = [CO2]2 / [CO]2[O2] = (0.1 atm)2 / (0.5 atm)2 (0.1 atm) = 0.08

Thus, Qc < K.

Hence, the reaction will proceed in the forward direction to attain equilibrium. Therefore, the given reaction is spontaneous at 1455 K.

We have calculated the values of the equilibrium constant K and the reaction quotient Qc at each temperature and predicted whether the reaction is spontaneous or not. At 298 K, the given reaction is spontaneous. At 1055 K, the given reaction is spontaneous. At 1455 K, the given reaction is spontaneous.

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Answer:

5 mol H₂. this is the answer bro all the best for your test/exam

i have no clue what so ever sorry

Answer:

22.35  

>:) now go show your science teacher you have the smart

a) To convert 1.65 moles of magnesium chloride to grams, we need to first determine the molar mass of MgCl.

The molar mass of MgCl is the sum of the atomic masses of magnesium and chlorine:

Mg: 24.31 g/mol

Cl: 35.45 g/mol

Molar mass of MgCl = 24.31 g/mol + 35.45 g/mol = 59.76 g/mol

Now, we can use the molar mass to convert 1.65 moles to grams:

1.65 moles x 59.76 g/mol = 98.70 grams

Therefore, 1.65 moles of MgCl is equal to 98.70 grams.

b) To convert grams of Na2CO3 to moles, we need to first determine the molar mass of Na2CO3.

The molar mass of Na2CO3 is the sum of the atomic masses of sodium, carbon, and oxygen, taking into account the two sodium atoms in each molecule:

Na: 22.99 g/mol

C: 12.01 g/mol

O: 16.00 g/mol

Molar mass of Na2CO3 = (2 x 22.99 g/mol) + 12.01 g/mol + (3 x 16.00 g/mol) = 105.99 g/mol

Now, we can use the molar mass to convert grams to moles:

1 grain = 0.06479891 grams

10 grains = 0.6479891 grams

0.6479891 g / 105.99 g/mol = 0.0061 moles

Therefore, 10 grains (0.6479891 grams) of Na2CO3 is equal to 0.0061 moles.

The molar mass (M) of a chemical product is described in chemistry as the ratio of mass to substance (measured in moles) of any sample of said molecule.  The molar mass of a material is a bulk characteristic, not a molecular trait. The molar mass is an average of many occurrences of the compound, which often differ in mass due to isotopes present.

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The mοlar mass οf MgCl₂ is 95.21 g/mοl.

It is calculated by summing the atοmic masses οf all the atοms in a mοlecule οr fοrmula unit οf a substance. Mοlar mass is an impοrtant cοncept in chemistry because it allοws us tο relate the mass οf a substance tο the number οf particles (atοms, mοlecules, οr iοns) in it.

The mοlar mass οf MgCl₂ (Magnesium chlοride) can be calculated by adding the atοmic masses οf magnesium (Mg) and chlοrine (Cl) atοms in the cοmpοund.

The atοmic mass οf magnesium (Mg) is 24.31 g/mοl, and the atοmic mass οf chlοrine (Cl) is 35.45 g/mοl (apprοx). MgCl₂ has οne magnesium atοm and twο chlοrine atοms, sο its mοlar mass can be calculated as:

Mοlar mass οf MgCl₂ = (1 x 24.31 g/mοl) + (2 x 35.45 g/mοl)

= 24.31 g/mοl + 70.90 g/mοl

= 95.21 g/mοl

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The concentrations of the reaction's reactants and products must be equal at equilibrium. Following is a description of how CO and H2O react to generate CO2 and H2: CO + H2O <=> CO2 + H2 We can determine the equilibrium CO and H2O concentrations using the available data.

The starting concentrations of CO and H2O are 0.800 M and 0.800 M, respectively, due to the total moles of CO and H2O being 2.00 moles and the total volume being 2.50 L. The equilibrium expression may be used to compute the equilibrium concentrations of CO and H2O: K = [CO2][H2]/[CO][H2O] K = (0.00775)(0.00775)/[CO] may be used to derive the equilibrium constant given that [CO2] and [H2] are both equal to 0.00775 M.

[H2O] K = (0.00775)(0.00775)/[0.0455], when the equilibrium concentrations of CO and H2O are plugged in.[0.0455]. ][0.0455] K = 0.0020 From this, we can calculate the equilibrium concentrations of CO and H2O: [CO] = 0.0455 M [H2O] = 0.0455 M .

The standard free energy change (G°), which can be calculated using the formula G° = -RTlnK, may be used to estimate the sign of G for this reaction. Since K > 1, we may anticipate a spontaneous response, meaning that G will be negative.

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Speed of gas molecules would increase as temperature increases. This is because more energy is being supplied to the molecules, which allows them to move with more speed, increasing the chance of a successful collision (collision theory)

The average speed of gas molecules is directly related to the temperature of the gas.

The average kinetic energy of gas particles is proportional to the absolute temperature of the gas, and all gases at the same temperature have the same average kinetic energy.

The average speed of gas molecules is directly related to the temperature of the gas. This relationship implies that as the temperature of a gas increases, the average speed of its molecules also increases.

Thus, the average kinetic energy of the particles in a gas is proportional to the temperature of the gas. Because the mass of these particles is constant, the particles must move faster as the gas becomes warmer.

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The amount of carbon flux in the atmosphere will be 3.3 GtC/yr

The carbon flux in the atmosphere can be calculated by:

1. Removing the amount of carbon that leaves the atmosphere from the amount that enters the atmosphere.

2. Adding the amount of carbon released by fossil fuel burning.

Thus,

Carbon flux = 211.6 - 213.8 + 5.5 = 3.3 GtC/yr

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Answer:

The main source of energy is the sun. The sun has a big part in the water cycle because it turns the water into water vapor. This cause the water cycle to start over again once it rains. Therefore, making the sun ne of the biggest parts in the water cycle.

Answer:Opposite

Explanation:

Answer:

The shortest wavelength of visible light is 380 nm. Its frequency is 7.89x1014Hz. That will be visible light’s highest frequency.

Explanation:

Answer:

CF₄

Explanation:

The molecular formula of the structure shown by the representation is given as:

     CF₄

The central atom is C and it is surrounded by 4 atoms of Fluorine.

Answer:

339.2K

Explanation:

Using Charles law equation;

V1/T1 = V2/T2

Where;

V1 = initial volume (L)

V2 = final volume (L)

T1 = initial temperature (K)

T2 = final temperature (K)

According to the information provided in this question,

V1 = 2.97 L

V2 = 3.42 L

T1 = 21.6°C = 21.6 + 273 = 294.6K

T2 = ?

Using V1/T1 = V2/T2

2.97/294.6 = 3.42/T2

Cross multiply

2.97 × T2 = 294.6 × 3.42

2.97T2 = 1007.532

T2 = 1007.532 ÷ 2.97

T2 = 339.236

The final temperature is 339.2K

the percentage of chlorine in the pool will be % When the amount of chlorine in the pool is equal to the amount that was in the city water.

The pool has a total volume of gal, and it is initially filled with water containing % chlorine. Starting at t0, city water containing % chlorine is pumped into the pool at a rate of gal/min. At the same time, the pool water flows out of the pool at the same rate.

After minutes, the pool will contain % chlorine. This can be determined by calculating the amount of chlorine that will be in the pool after minutes, which is calculated by adding the amount of chlorine that was initially in the pool and the amount of chlorine that will be added to the pool from the city water. When the amount of chlorine in the pool is equal to the amount that was in the city water, the percentage of chlorine in the pool will be %.

When the pool water reaches % chlorine, this will happen after minutes. This can be determined by calculating the amount of chlorine that will be in the pool after minutes, which is calculated by subtracting the amount of chlorine that was initially in the pool, and adding the amount of chlorine that will be added to the pool from the city water. When the amount of chlorine in the pool is equal to the amount that was in the city water, the percentage of chlorine in the pool will be %.

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