what volume of each solution contains 0.205 molmol of nainai?

Answer:

Ethane & propane are members of same homologous series : alkane which is indicated with Cn H2n+2

Explanation:

Answer:

C.

Explanation:

Answer:

I personally think it would be all of the above

        The difference between a kelvin (K), which is a division of the kelvin scale, and a degree on the Celsius scale is where zero is. The zero point on the Kelvin scale is at absolute zero, whereas the zero point on the Celsius scale is the freezing point of water. As a result, 0oK equals -273.15oC and 0oC equals 273.15 kelvins.

Answer : C.933.45K

         At 0 degrees Celsius, or 273 Kelvin, water freezes. Also, -273 degrees Celsius are the same as 0 Kelvin. Therefore, multiply the Celsius degree by 273 to convert it to Kelvin. And to convert from Kelvin to Celsius, just take 273 out.

Celsius to Kelvin conversion: Kelvin = Celsius + 273 1.5. The figure of 273 is also used instead of 273.15

Solution :

K = ° C + 273.15

K = 660.3 + 273.15

K = 933.45

Answer :660.3°C = 933.45k

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Answer:

The order of reaction is as follows, R1 = 1; R2 = 2; R3 = 0

Explanation:

The rate of a chemical reaction is the number of moles of reactants consumed per unit time or the number of moles of products formed per unit. the rate of a chemical reaction is affected by the concentration of reactants

The relationship between the rate of a chemical reaction and the concentration of its reactants is given by the rate law or equation.

Generally, the rate equation is given as;

Rate = k[A]ᵃ[B]ᵇ..., where k = rate constant which is independent of concentration of the reactants, [A] = concentration of reactant A, a = order of reaction A, [B] = concentration of reaction B, b = order of reaction B.

For the given reactions R1, R2 and R3

For R1; rate = 3, Concentration = 3[A]

3 = k[A]3ˣ

3¹ = k[A]3ˣ

Since rate is proportional to concentration, therefore, the order of reaction, x = 1

For R2; rate = 9, Concentration = 3[A]

9 = k[A]3ˣ

3² = k[A]3ˣ

Since rate is proportional to concentration, therefore, the order of reaction, x = 2

For R1; rate = 1, Concentration = 3[A]

1 = k[A]3ˣ

3⁰ = k[A]3ˣ

Since rate is proportional to concentration, therefore, the order of reaction, x = 0

Therefore, the order of reaction is as follows, R1 = 1; R2 = 2; R3 = 0

a. AgNO3 is the reaction's surplus ingredient. The amount of AgNO3 utilised in the process, 35.0 grammes, is represented by the surplus material.

Therefore, 35.0 grammes of extra material are present. b.) The molar mass of AgCl may be used to compute the moles of AgCl that were created. AgCl has a molar mass of 143.32 g/mol. As a result, 0.245 moles of AgCl were created.

c.) The molar mass of Ca(NO3)2 may be used to compute the grammes of Ca(NO3)2 produced. Ca(NO3)2 has a molar mass of 164.09 g/mol. As a result, 3.91 grammes of Ca(NO3)2 were generated.

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If 1.5 moles of C₃H₈ react according to the balanced equation, 4.5 moles of CO₂ will be produced.

In the balanced equation, the coefficients in front of the molecules indicate the molar ratio. The coefficient for CO₂ is 3, which means that for every 1 mole of C₃H₈, 3 moles of CO₂ are produced.

The balanced equation shows that 1 mole of C₃H₈ reacts to produce 3 moles of CO₂. So, if 1.5 moles of C₃H₈ react, we can calculate the number of moles of CO₂ produced using a simple ratio.

1 mole of C₃H₈ reacts to produce 3 moles of CO₂.

Therefore, 1.5 moles of C₃H₈ will produce (1.5 moles of C₃H₈) x (3 moles of CO₂/1 mole of C₃H₈)

= 4.5 moles of CO₂.

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Answer: this might have something to do with the pancreas

Explanation:

the pancreas produces insulin if subject a produces more insulin than subject b the reaction to the glucose will be different the pancreas breaks down the glucose into sugar and protiens hope this helps

Answer:

11. Redox

12. Acid/Base

13. Precipitation

14. Combustion

15. Precipitation

The balanced chemical formula for the reaction of silver sulphide and aluminium is

3Al + 4Ag2S 6Ag + Al2S3.

The balanced equation's stoichiometry can be used to calculate how many moles of silver were produced during the reaction. In other words, for every 4 moles of silver sulphide, 6 moles of silver are produced due to the silver's 4/4 coefficient on the reactant side and 6/6 coefficient on the product side.

The number of moles of silver produced by the reaction of 6 moles of aluminium and 4 moles of silver sulphide is 6. The balanced equation's stoichiometry, which states that 4 moles of silver sulphide result in the production of 6 moles of silver, can be used to determine this.

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Answer:

Explanation:

Decomposition reaction, also known as analysis or dissociation, is a type of chemical reaction in which a compound breaks down into simpler substances or elements. In this reaction, a single reactant undergoes a chemical change and produces two or more products.

The decomposition reaction can be represented by the general equation:

AB → A + B

Where AB is the reactant, and A and B are the products. The reactant AB is usually a compound, and it breaks down into its constituent elements or simpler compounds.

There are different types of decomposition reactions, including:

Thermal decomposition: It occurs when a compound is heated, resulting in its decomposition into simpler substances. For example, the thermal decomposition of calcium carbonate (CaCO3) produces calcium oxide (CaO) and carbon dioxide (CO2):

CaCO3 → CaO + CO2

Electrolytic decomposition: It takes place when an electric current is passed through an electrolyte, causing it to break down into its component ions. For instance, the electrolysis of water (H2O) leads to the decomposition into hydrogen gas (H2) and oxygen gas (O2):

2H2O → 2H2 + O2

Photochemical decomposition: It occurs when a compound undergoes decomposition due to exposure to light energy. Chlorine gas (Cl2) can decompose into chlorine atoms (Cl) under the influence of light:

Cl2 → 2Cl

These are just a few examples of decomposition reactions. They are important in various chemical processes and are used in industries, laboratory experiments, and natural phenomena. By understanding and controlling decomposition reactions, scientists can gain insights into the behavior of different compounds and develop practical applications in fields such as chemistry, materials science, and environmental science.

Answer:

Explanation:

reaction in which a compound breaks down into simpler substances or elements

Answer:

hi im baby patrick :)

Explanation:

The statement ,"Acid rain falling on seawater has little effect on the ph of the oceans." is: False.

Acid rain falling on seawater can have a significant impact on the pH of the oceans. The pH of the ocean is normally around 8.1, which is slightly alkaline.

When acid rain falls on seawater, it increases the acidity of the water by adding hydrogen ions, which can lead to a decrease in pH. This can have negative impacts on marine life, as many organisms are adapted to live in a specific pH range.

For example, acidification can make it more difficult for some marine organisms to form shells, and can also affect their ability to reproduce and grow.

Acid rain can also lead to the release of toxic metals such as aluminum, which can have harmful effects on marine organisms.

While the effects of acid rain on the ocean are not as well-known as its effects on land, they are still a cause for concern and research in this area is ongoing.

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Answer:

Sodium

Explanation:

Sodium has 11 protons. The Neutrons of an atom doesn't really matter if you already know the protons.

The amount of SO2(g) at equilibrium increases when the volume is increased, according to Le Chatelier's principle.The reaction 2SO2(g) + O2(g) → 2SO3(g) is exothermic since delta H_rxn is negative. Therefore, the forward reaction is exothermic, which means that the amount of products formed at equilibrium is lower than the amount of reactants present in the system.

The yield of SO3(g) will be reduced as a result of a decrease in temperature or the removal of SO3 from the system. Since the forward reaction is exothermic, it is favored by lower temperatures. As a result, if the temperature is reduced, the equilibrium position will shift in the direction of the forward reaction. The reaction will progress in the forward direction, causing more SO2 to be consumed and more SO3 to be produced. As a result, the concentration of SO2 at equilibrium will decrease. The reverse reaction will be favored by the addition of more O2(g), which will result in more SO3(g) being consumed to produce more SO2(g) and O2(g). Therefore, the concentration of SO2(g) at equilibrium will decrease due to the addition of more O2(g). The equilibrium position will shift in the direction of the reverse reaction as a result of the removal of SO3(g) from the system. As a result, more SO2(g) and O2(g) will be produced, resulting in a decrease in the concentration of SO2(g).Increasing the volume will favor the side of the reaction that has more moles of gas since the equilibrium constant does not change as a result of a change in volume. As a result, the equilibrium position will shift in the direction of the forward reaction since there are more moles of gas on that side of the reaction. The reaction will progress in the forward direction, causing more SO2 to be consumed and more SO3 to be produced. As a result, the concentration of SO2 at equilibrium will decrease.

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Answer:

. A closed system allows only energy transfer but no transfer of mass. Example: a cup of coffee with a lid on it, or a simple water bottle. ... In reality, a perfectly isolated system does not exist, for instance hot water in a thermos flask cannot remain hot forever.

The largest amount of HNO₃ that could be produced will be 14 mol

Number of moles of NO₂ = 5.0 mol

Number of moles of H₂O = 7.0 mol

Amount of HNO₃ = ?

Write the balanced chemical equation

    3NO₂ + H₂O → 2HNO₃ + NO

As we can see the molar ratio between NO₂ and HNO₃ is 3 : 2

Calculate for 5.0 mol of NO₂

    5.0 mol x (2 mol / 3 mol) = 3.33 mol HNO₃

As we can see the molar ratio between H₂O and HNO₃ is 1 : 2

Calculate for 7.0 mol of H₂O

    7.0 mol x (2 mol / 1 mol) = 14 mol HNO₃

So H₂O is the excess reactant and to find out the larger amount we use the excess reactant.

So the largest amount of HNO₃ produced is 14 mol

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Answer:

17.78 gm

Explanation:

2 H20 mole weight = 36 gm

   which leads to 32 gm   O2

36 / 32   =  20 / x      x = 17.78 gm

yes sure, true it can beee

Answer:

False

Explanation:

Answer:

When the coaster ascends one of the smaller hills that follows the initial lift hill, its kinetic energy changes back to potential energy. In this way, the course of the track is constantly converting energy from kinetic to potential and back again.

Explanation:

hope this helps

Answer:  Count only the electrons in the highest shell s and p orbitals when determining valence.

Explanation:  I'm glad you asked this question.  It is often not well explained.   The term valence electrons is assigned to only the electrons in an element's highest energy level.  These reside only in the s and p orbitals, and not the d or f, as I'll explain later.  The s orbital can hold 2 electrons and the p can hold 6.  Potassium, K, has an s orbital in its highest energy shell, 4.  It contains only 1 electron, so it has a valency of 1.  

Calcium, Ca, has 2 in its highest energy level: 4s^2, so it has a valency of 2.   Moving to the right, the element scandium, Sc, add another electron, but it goes into the 3d orbital.  3d is in the 3rd energy shell, so it is not counted as a valence electron.  Only after we move further right, to gallium, Ga, do we start adding electrons to the 4th energy level again - the 4p orbitals can accept up to 6 electrons.  Ga has 3 valence electrons - 2 in the 4s and 1 in the 4p.  Oxygen has 2 in the 2s and 4 in the 4p orbitals, for a total of 6.  It is close to having a comple outer shell (2 in the 2s and 6 in the 2p).  Just 2 more electrons would fill both the 2s and 2p orbitals for a total of 8 valence electrons, a stable configuration (the same configuration as thje stable gas Neon).

When adding ice to a hot soup, it is generally recommended to use ice made from potable or drinkable water.

The water used to make the ice should be clean and free from any contaminants that could affect the taste or safety of the soup.

It is advisable to use filtered or purify water to make the ice to ensure that it is of good quality. This helps prevent any unwanted flavors or impurities from transferring to the soup.

Using tap water can also be acceptable if it meets the drinking water standards in your area and is considered safe for consumption. However, if you have concerns about the quality of your tap water, using filtered water is a safer option.

Ultimately, the goal is to add ice made from water that is safe and of good quality to avoid any negative impact on the taste or safety of the soup.

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The chemical's IUPAC names of the given compound are propanal and acetone.

IUPAC is the international union of practical and applied chemistry. It set rules for standard naming of the compound.

Propanal, or propanaldehyde, is an aldehyde that has one double bond and one oxygen atom.

Acetone is a kind of ketone. Ketones have the functional group R2CO.

Thus, chemical's IUPAC names of the given compound are propanal and acetone.

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In keeping with the third regulation of thermodynamics the entropy of a perfectly ordered, crystalline substance is 0 at 0 Kelvin.(choice c).

The legal guidelines of thermodynamics are a hard and fast of medical legal guidelines that outline groups of physical portions which include temperature, electricity, and entropy that represent a thermodynamic machine in thermodynamic equilibrium.

The 0th law of thermodynamics defines thermal equilibrium and bureaucracy the basis for the definition of temperature. If  structures are in thermal equilibrium with a third gadget, they're in thermal equilibrium with every different.

The primary regulation of thermodynamics states that after energy enters or leaves a device (as paintings, heat, or depend), the internal power of the gadget changes in keeping with the law of conservation of electricity.

The second one law of thermodynamics states that during a herbal thermodynamic system the total entropy of interacting thermodynamic systems by no means decreases. the overall implication of this declaration is that warmness does no longer spontaneously transfer from a cold frame to a warm body.

The 0.33 regulation of thermodynamics states that the entropy of a gadget procedures a constant value as the temperature tactics absolute zero. The entropy of a machine at absolute zero is usually near zero, except for amorphous solids.

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Answer:

Explanation:

              ..                         |   ..    |   -

K.  +     : Br .   ---->      K⁺  | : Br : |

              ..                         |   ..    |

The final temperature, in degrees Celsius, of the gas is 34.62 °C

From the question, we are to determine the final temperature, in degrees Celsius

From the Pressure law or Gay-Lussac's law

We have that, for a given mass and constant volume of an ideal gas, the pressure exerted on the sides of its container is directly proportional to its absolute temperature.

Using the formula,

\(\frac{P_{1} }{T_{1}} = \frac{P_{2} }{T_{2}}\)

Where P₁ is the initial pressure

T₁ is the initial temperature

P₂ is the final pressure

and T₂ is the final temperature

From the given information,

P₁ = 739 mmHg

T₁ = 23 °C = 23 + 273.15 = 296.15 K

P₂ = 768 mmHg

T₂ = ?

Putting the parameters into the formula, we get

\(\frac{739}{296.15}=\frac{768}{T_{2} }\)

Then,

\(T_{2} = \frac{768 \times 296.15}{739}\)

T₂ = 307.77 K

Therefore,

T₂ = 307.77 - 273.15 = 34.62 °C

Hence, the final temperature, in degrees Celsius, of the gas is 34.62 °C

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Here is the complete question:

A gas sample has a pressure of 739 mmHg when the temperature is 23 °C. What is the final temperature, in degrees Celsius, when the pressure is 768 mmHg, with no change in the volume or amount of gas?