the product of C2H5S + O2 —-> ?

1/4  temperature must give Mass of nitrogen at 0°c heated so that both it volume and pressure will be double.​

To double both the volume and pressure of a given mass of nitrogen at 0°C, we can utilize the combined gas law, which relates the initial and final states of a gas. The combined gas law is expressed as:

(P1 * V1) / T1 = (P2 * V2) / T2

Where P1 and P2 are the initial and final pressures, V1 and V2 are the initial and final volumes, and T1 and T2 are the initial and final temperatures.

Since we want to double both the volume and pressure, we can set P2 = 2P1 and V2 = 2V1. Plugging these values into the combined gas law equation, we get:

(2P1 * 2V1) / T1 = P1 * V1 / T2

Simplifying the equation, we find:

4P1V1 = P1V1 / T2

Cancelling out the common terms, we have:

4 = 1 / T2

Rearranging the equation, we find:

T2 = 1 / 4

Therefore, to double both the volume and pressure of the given mass of nitrogen at 0°C, it must be heated to a temperature of 1/4 or 0.25 times its initial temperature.

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Answer:

volume

Explanation:

Answer:

YEESSS

Explanation:

Because that seems like the only logical answer.

Answer:

YES

Explanation:

YES

A 3.500 x 103-year-old bristlecone pine's heartwood still contains 61.5 percent of the original carbon-14, and its half-life is 5.730 x 103 years. Having the chemical symbol C and atomic number 6.

Carbon is an element with the meaning "coal" in Latin. It is nonmetallic and tetravalent, meaning that four of its atom's electrons can be used to create covalent chemical connections. The periodic table's group 14 is where it belongs. Only approximately 0.025 is made up of carbon. A quantity (of substancehalf-life )'s (symbol t12) is the amount of time needed for it to decrease to half of its original value. The phrase is frequently used in nuclear physics to indicate how long stable atoms last or how quickly unstable atoms experience radioactive decay.

(A)/(Ao) = e^-kt

(A)/(Ao) = 0.615

(A)/(Ao) =  0.615*100 = 61.5 percent

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119 so a I think that's Is me anser

The volume of space it takes up, whereas its mass is the amount of matter it contains. A sample's density is the quantity of mass per unit of volume.

\(HClO_4 +NaOH \longrightarrow NaClO_4 + H_2O\\\\\)

HClO₄ is a monoprotic strong acid.

1 mol of HClO₄ reacts with 1 mol of NaOH for neutralization.

Calculating the moles of NaOH \(= (0.0789\ M) \times (0.050\ L) = 0.003945\ mol\)

Calculating the needed moles in HClO₄ \(= 0.003945 \ mol\)

Calculating the HClO₄ Molarity that is 0.188 M

Calculating the HClO₄ volume that is needed \(= \frac{(0.003945\ mol) }{ (0.188\ M)} = 0.020\ L\)

Therefore, the volume of HClO₄ that is needed = 20 mL

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Answer:

2

Explanation:

Because 2 oxygen atoms in reactant are balanced only when 2H2O is produced.

Gravity, as a fundamental force of nature, is influenced by several factors. The following are some of the key factors affecting gravity:

Answer:

51.9961 grams

Explanation:

Just did worksheet

Answer:

Chemical bonding - a mutual adhesion of atoms in an molecule and the crystal lattice.

Explanation:

Hope you have a great day

The article titled "Double Percolation Effect on the Electrical Conductivity of Conductive Particles Filled Polymer Blends" by Sumita M, Sakata K, Hayakawa Y, Asai S, Miyasaka K, and Tanemura M, was published in the journal Colloid and Polymer Science in 1992.

The article discusses the phenomenon of double percolation effect on the electrical conductivity of conductive particle-filled polymer blends. Percolation refers to the formation of interconnected pathways within a material, allowing for the flow of electricity.

In this study, the authors investigate how the electrical conductivity of polymer blends changes when conductive particles are added. They observe that two percolation thresholds exist: one for the polymer matrix and another for the conductive particles. The double percolation effect occurs when both thresholds are crossed, resulting in a significant increase in electrical conductivity.

Understanding the double percolation effect is important for designing materials with desired electrical properties. By controlling the composition and distribution of conductive particles within the polymer matrix, one can optimize the electrical conductivity of the blend.

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A symmetric cipher typically has the following essential ingredients: key, plaintext, encryption algorithm, decryption algorithm.

A key: A secret value shared between the sender and the receiver that is used to encrypt and decrypt the message.

A plaintext: The original, unencrypted message.

An encryption algorithm: A mathematical function that takes the plaintext and the key and produces an encrypted message (ciphertext).

A decryption algorithm: A mathematical function that takes the ciphertext and the key and produces the original plaintext.

A method for securely sharing the key between the sender and receiver, as the security of a symmetric cipher relies on the secrecy of the key.

Note: The exact ingredients may vary depending on the specific symmetric cipher being used.

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This question involves the concepts of time period and tangential speed.

The tangential speed of the object is "5.1 x 10⁴ m/s".

The following formula gives the time period of the object:

\(T=\frac{2\pi}{\omega}\\\\\)

\(\omega = \frac{2\pi}{T}\)

where,

Therefore,

\(\omega=\frac{2\pi}{2.2\ x\ 10^4\ s}\\\\\omega=2.86\ x\ 10^{-4}\ rad/s\)

Now, the tangential speed can be given by the following formula:

\(v=r\omega\)

where,

Therefore,

\(v=(1.8\ x\ 10^8\ m)(2.86\ x\ 10^{-4}\ rad/s)\)

v = 5.1 x 10⁴ m/s

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Answer: 5.1 x 10⁴ m/s

Explanation:

edge 2023

Answer: you need to know the Mass (grams) of the object, and its Volume (measured in mL or cm³). Divide the mass by the volume in order to get an object's Density. How can you tell if something will float in water?

Explanation:

Answer:

To find the density of an object you need to know the Mass (grams) of the object and its Volume. Divide the Mass by the Volume in order to get the object's density.

Good luck! Hope this helped :)

Answer:

1. direct current. 2. electrical power

Explanation

i believe number 2 is right

Answer

A reaction generally can be made to go more quickly by:

B. Adding a catalyst

C. Lowering the activation energy

D. Shaking the reactants

Explanation

The presence of a catalyst increases the rate of a reaction by lowering its activation energy. Chemical reactions occur when molecules collide with each other and undergo a chemical transformation.

Stirring and shaking provide some kinetic energy to the system. It increases slightly its temperature and the reaction rate. increasing the kinetic energy of reactant particles also means more of the reactant particles will have the minimum amount of energy required to form products (ie, activation energy) which leads to more successful collisions and therefore increases the reaction rate.

Answer:

Choux pastry

Explanation:

Eclairs are a long, thin pastry made from choux pastry and is filled with cream and topped with icing (usually chocolate).

I hope this helps!!

- Kay :)

Long French pastries composed of choux pastry, filled with custard or pastry cream, and covered with fondant icing are known as éclairs.

The fundamental components for choux dough, including as sugar, butter, flour, milk, and egg, are used to make eclairs, cream puffs, and profiteroles. However, it is crucial to read and follow the directions carefully to prevent common eclair blunders such . Eclair shells with broken surfaces.

A choux pastry-based éclair is a long, thin individual cake. This delicious treat is loaded with cream and covered with milk chocolate. A donut is a fried sweet treat made of sweet dough that is often shaped like a ring or ball.

The chocolate éclair, which is covered with chocolate fondant and filled with chocolate custard or pastry cream, is possibly the most well-known type of éclair.

Thus, éclair is made up of choux pastry.

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Answer:

Answer:

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

net force = 2400 × 3.6

We have the final answer as

Hope this helps you

0.15 g of Na₂SO₄ can be added to water and diluting to a final volume of 130.0 mL

The molarity (M) of a solution is defined as the number of moles of solute per liter of solution.

Number of moles of solute = Molarity x Volume of solution in liters

The volume of the final solution is given as 130.0 mL, which is 0.1300 L. Therefore, the number of moles of Na+ required can be calculated as:

Number of moles of Na+ = 0.016 M x 0.1300 L

Number of moles of Na+ = 0.00208 moles

Since each mole of Na₂SO₄ produces two moles of Na+, the number of moles of Na₂SO₄ required can be calculated as:

Number of moles of Na₂SO₄ = 0.00208 moles / 2

Number of moles of Na₂SO₄ = 0.00104 moles

Finally, we can calculate the mass of Na₂SO₄ required using its molar mass:

Mass of Na₂SO₄ = Number of moles x Molar mass

Mass of Na₂SO₄ = 0.00104 moles x 142 g/mol

Mass of Na₂SO₄ = 0.1477 g

Therefore, we need to add 0.1477 grams of Na₂SO₄ to water and dilute it to a final volume of 130.0 mL to prepare a 0.016 M solution of Na+.

The closest answer choice is 0.15 g.

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The  statement which best explains why the atomic theory developed efficiently is that scientists had used creativity and the scientific method in their investigations regarding the atom.

An atom is defined as the smallest unit of matter which forms an element. Every form of matter whether solid,liquid , gas consists of atoms . Each atom has a nucleus which is composed of protons and neutrons and shells in which the electrons revolve.

The protons are positively charged and neutrons are neutral and hence the nucleus is positively charged. The electrons which revolve around the nucleus are negatively charged and hence the atom as a whole is neutral and stable due to presence of oppositely charged particles.

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Answer: the answer is B

Explanation: just did it hope it helps

The total pressure of the mixture is 359.5 torr, that is calculated by using ideal gas equation.

Volume of N2, V1=4.0 L

Pressure of N2, P1=450 Torr=450/760 atm

Thus, number of moles of N2, n1= P1V1/RT

=(450/760)*4/0.082*338

=0.085 mol

Similarly,

Volume of O2, V2=3.5 L

Pressure of O2, P2=252 Torr=252/760 atm

Thus, number of moles of O2, n2= P2V2/RT

=(252/760)*3.5/0.082*338

=0.042 mol

Similarly,

Volume of CO2, V3=0.21 L

Pressure of CO2, P3=150 Torr=150/760 atm

Thus, number of moles of CO2, n3= P3V3/RT

=(2150/760)*30.21/0.082*338

=0.001 mol

Total number of moles = n1+n2+n3

=(0.085+0.042+0.21)

=0.128 mol

Total volume, V=7.5 L

Using, ideal gas law

Thus, total pressure, P=nRT/V

=0.128*0.082*338/7.5 atm

=0.473 atm

=0.473*760

=359.5 torr

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pCO2 is an important factor that affects various aspects of water chemistry and the impacts of ocean acidification. When pCO2 increases, the concentration of total CO2 dissolved in water also increases. This leads to changes in pH, which decreases due to increasing atmospheric CO2 concentration.

When pCO2 rises, the concentration of only CO2 dissolved in water increases. The dissolved CO2 forms carbonic acid, which contributes to the acidification of the ocean. This increase in CO2 affects the equilibrium between CO2, HCO3-, and CO3^2-, shifting it towards higher levels of dissolved CO2 and H+ ions, resulting in a lower pH.

In terms of the impacts of ocean acidification on different organisms, the effects can vary depending on their specific needs. An organism that requires CO2 is likely to fare better under ocean acidification since the increase in dissolved CO2 can provide them with a favorable environment. However, organisms that rely on HCO3- or CO3^2- may fare worse under ocean acidification, as the lower pH interferes with the availability of these carbonate ions, which are essential for shell formation and calcification in some marine organisms.

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Answer:

100 g of water dissolves 204 g of sugar. Therefore, 25 g of water would dissolve 204×25÷100 =51g of sugar at 20°C.

Explanation:

Answer: 408g of sugar

Explanation: the amount of water increased by 2

so, multiply: 204 times 2= 408

The half-reaction that has the correct number of electrons, on the correct side, to balance the reaction is: c) 10 H⁺ + NO₃⁻ + 8 e⁻ → NH₄⁺ + 3 H₂O

Balancing half-reactions is an essential step in balancing the overall chemical reaction. Half-reactions represent the oxidation and reduction processes that occur in a redox reaction. Balancing these half-reactions involves ensuring that the number of atoms and charges are balanced on both sides of the equation.

In this case, option c) correctly balances the half-reaction by including 8 electrons on the left-hand side to balance the charge. This allows for a balanced transfer of electrons during the redox process.

By balancing half-reactions, we can determine the correct stoichiometric coefficients for each species involved in the reaction. This ensures that the law of conservation of mass and charge is satisfied in the overall reaction.

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Answer:

B) iron (Fe) im sure its iron

D. by allowing the salt to evaporate .

Answer:

D.by allowing the salt to evaporate.

The mass fraction of sodium chloride is 0.0625

The mass fraction of sodium chloride is the ratio of the mass of sodium chloride to the total mass of the solution.

The mass fraction of sodium chloride is determined as follows;

mass of sodium chloride = 20 g

density of water = 1 g/mL

volume of water = 300 mL

mass of water = 300 mL * 1 g/mL

mass of water = 300 g

total mass of solution = 20 + 300 = 320 g

mass fraction of sodium chloride = 20/320

mass fraction of sodium chloride = 0.0625

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The Bohr model is a representation of the electronic configuration of the atom. According to this model, each energy level can hold a certain number of electrons. In the first energy there can only be 2 electrons, in the second and the following energy levels there can be a maximum of 8 electrons.

Sodium, Na which has 11 electrons in total so in the first level it will have two electrons, in the second level it will have 8 electrons and in the third level it will have the missing electron.

In the model proposed by the student, the electrons are represented in blue. The model proposed by the student is incorrect.

We see that in the second energy level he drew 9 electrons, this is incorrect since from the second energy level there can only be 8 electrons, the remaining electron must be located in the third energy level.