How many moles of LINO3 are
equivalent to 525 g LINO3?
(LINO3 = 68.95 g/mol)
[?] mol LiNO 3

The study of the effect of hydroxide concentration on the rate of the reaction revealed that the rate of reaction is directly proportional to the hydroxide concentration.

Here, correct answer will be:-

The rate law for the reaction can be expressed as rate = k[OH-]^m, where k is the rate constant and m is the order of the reaction. The value of the rate constant for this reaction was determined to be 0.15 s^-1.

The results suggest that increasing the hydroxide concentration will result in an increase in the reaction rate, and that the reaction rate is highly dependent on the hydroxide concentration.

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Answer:

1.02 10 to the 23 power(or 100,000,000,000,000,000,000,000)

atoms of AL

Explanation:

ive had this question before

The value of Δn for the given equation in relation to Kc (equilibrium constant) and Kp is 1.

In the given chemical equation,

Two solid potassium (K) react with two liquid water (H2O) to form two aqueous potassium hydroxide (KOH) and gaseous hydrogen (H2) in an equilibrium process.

The change in the number of moles (δn) for the given reaction is equal to the difference in the total number of moles of the product and reactant side.

According to the chemical equation,

Two solid potassium (K) react with two liquid water (H2O) to form two aqueous potassium hydroxide (KOH) and gaseous hydrogen (H2) in an equilibrium process.

Initially, the total number of moles of reactants = 2 moles of K + 2 moles of H2O= 2 moles of K2 + 1 = 5

Total number of moles of products = 2 moles of KOH + 1 mole of H2= 2 moles of K2 + 1 = 5

Total moles of reactants and products = 10

The number of moles of gaseous products = 1, H2

The number of moles of gaseous reactants = 0

Therefore, δn = (number of moles of gaseous products) - (number of moles of gaseous reactants)= 1 - 0= 1

Therefore, δn for the given chemical equation is 1.

Relating Kp and Kc:Kp and Kc can be related to each other by using the following equation:

Kp = Kc (RT)Δn

Where, R is the gas constant (0.082 L atm/K mol),

T is the temperature, and Δn is the difference in the number of moles of gaseous products and reactants.

Kc for the given chemical equation is given by,

Kc = [KOH]2[H2]1/[K]2[H2O]2

Therefore,Δn = (2 + 1) - (2 + 0) = 3

Now, using the above equation,

we haveKp = Kc (RT)Δn= Kc (RT)3

The above equation relates Kp and Kc. Here, Kp can be determined if Kc and Δn are known and vice versa.

Hence, the value of Δn for the given equation in relation to Kc and Kp is 1.

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Answer:

hey there!

I hope this is correct it is a adult plant

Answer:

Choose 2 identical plants. Put one in the dark and one near sunlight; use the same amount of water; water both regularly.

Explanation:

You want to keep everything the same except for one thing.

The volume of the gas at standard pressure is 1.00 L.

To find the volume of a gas at standard pressure, we can use the ideal gas law, which states that PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the ideal gas constant, and T is the temperature.

At standard pressure, the pressure is defined as 1 atm. Given that the initial pressure is 0.50 atm, and assuming the number of moles and temperature remain constant, we can set up a proportion to find the final volume:

(P₁)(V₁) = (P₂)(V₂)

Substituting the known values, we have:

(0.50 atm)(2.00 L) = (1 atm)(V₂)

Simplifying the equation, we get:

1.00 atm * L = V₂

It is important to note that the ideal gas law assumes that the gas behaves ideally, meaning it follows certain assumptions such as negligible molecular volume and intermolecular forces. In reality, these assumptions may not hold true, especially at high pressures or low temperatures.

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Answer:

Carbon

Explanation:

\(\frac{(98.9*12)+(1.1*13)}{100}\)

the answer gives you 12.011 which is closer to the amu of carbon

Answer:

Ne, Neon

Explanation:

The Flourine Anion (F-) has one more electron (more negative) than nuetral Flourine.

The electrion configuration of neutral floruine is 1s2 2s2 2p5

If we add one more electron, to get anion fluorine (F-)

We get:

1s2 2s2 2p6 (giving us 10 electrons)

Which also matches the electron configuration of Neon, Ne

Magnesium chloride crystals can be formed by reacting an insoluble base with an acid. The reaction can be represented by the following equation:

In this reaction, magnesium hydroxide (Mg(OH)₂) is the insoluble base and hydrochloric acid (HCl) is the acid. When these two substances react, they produce magnesium chloride (MgCl₂) and water (H₂O).

The magnesium chloride formed in this reaction is in the form of crystals. The crystals form because the reaction produces an excess of ions, which then attract to each other and form a lattice-like structure. This is known as crystallization. The magnesium chloride crystals are colorless and have a salty taste.

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Answer:

C

Explanation:

The reaction represented by the equation CH_4 + 2 O_2 → CO_2 + 2H_2O is a combustion reaction.

A combustion reaction is a type of chemical reaction in which a substance reacts with oxygen to produce heat and light. In this case, methane (CH_4) is reacting with oxygen (O_2) to produce carbon dioxide (CO_2) and water (H_2O).

Combustion reactions are typically exothermic, meaning they release energy in the form of heat and light. They are often accompanied by a flame and are commonly observed in processes such as burning of fuels, such as natural gas, gasoline, or wood.

In this specific reaction, methane (CH_4) is the fuel that undergoes combustion, combining with oxygen (O_2) to form carbon dioxide (CO_2) and water (H_2O). The coefficients in front of the molecules indicate the stoichiometric ratio, showing that one molecule of methane reacts with two molecules of oxygen to produce one molecule of carbon dioxide and two molecules of water.

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The percent mass of H is 3.3%. This can be found from the data of the elements that we have in the problem.

To find the percent mass of an element in a compound, you need to follow these steps:

Determine the molar mass of the compound: This is the sum of the atomic masses of all the elements in the compound. You can find the atomic masses of elements on the periodic table.

Determine the molar mass of the element: This is the atomic mass of the element as it appears in the compound.

Calculate the moles of the element in the compound: This can be done using the formula: Moles = Mass of element / Molar mass of element.

Calculate the percent mass of the element in the compound: This can be done using the formula: Percent mass = (Moles of element x Molar mass of element / Molar mass of compound) x 100%.

Molar mass of the compound = 239 g/mol

Mass of H present = 8 (1) = 8

Percent of H = 8/239* 100/1

= 3.3%

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Correct number to balance the equation: ___KClO3 → 2KCl 3O2 is "2".

We obtain KCl and oxygen gas from the breakdown of potassium chlorate (KClO3).

1.5 moles of O2 gas and one mole of KCl are produced from one mole of KClO3.

Therefore, the response will be:

KCL)3 - - > KCL + 3/2 O2

The entire equation will be multiplied by two in order to transform the fractional coefficient to a whole number.

2X [ KCLO3 - - > KCL + 3/2 O2 ]

A balanced equation will therefore be:

2KCLO3 - - > 2KCL + 3 O2

KClO3's coefficient is therefore "2".

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Answer:

False

Explanation:

Scientifically, energy can never be created or destroyed. However it can be transfered. This law is called The Law of Conservation of Energy.

The density of ammonia gas (NH3) at 66°C and 2.3 atm pressure is approximately 2.39 g/L.

To find the density of ammonia gas (NH3) at 66°C and 2.3 atm pressure, we can use the ideal gas law:

PV = nRT

where: P is the pressure (2.3 atm),

V is the volume,

n is the number of moles,

R is the ideal gas constant (0.0821 L·atm/mol·K),

T is the temperature (66°C = 339.15 K).

We can rearrange the equation to solve for the volume:

V = (nRT) / P

To find the density, we need to convert the number of moles to grams and divide by the volume:

Density = (n × molar mass) / V

The molar mass of ammonia (NH3) is:

1 atom of nitrogen (N) = 14.01 g/mol

3 atoms of hydrogen (H) = 3 × 1.01 g/mol

Molar mass of NH3 = 14.01 g/mol + 3 × 1.01 g/mol = 17.03 g/mol

Substituting the values into the equations:

V = (nRT) / P = (1 mol × 0.0821 L·atm/mol·K × 339.15 K) / 2.3 atm ≈ 12.06 L

Density = (n × molar mass) / V = (1 mol × 17.03 g/mol) / 12.06 L ≈ 2.39 g/L

Therefore, the density of ammonia gas (NH3) at 66°C and 2.3 atm pressure is approximately 2.39 g/L.

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The durability of the cell phone case will be attributed to the strength of its molecular bonds as well as its  intermolecular forces that can hold its molecules together.

The durability of the cell phone case can be explained on a molecular level by the properties of the materials it is made of. The case will be composed of polymers or the other materials that have strong covalent bonds holding their atoms together. These bonds are very difficult to break under the normal circumstances, making the material resistant to physical impacts.                

In addition, the case may having a high melting point, means that it can withstand with a high temperatures without breaking down. It  can be due to the presence of a strong intermolecular forces, such as hydrogen bonding, which can hold the molecules of the material together. These forces are very difficult to break and they can provide the material having thermal stability.

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The total pressure in the container containing 2.50 mol of \(H_{2}\), 1.00 mol of He, and 0.30 mol of Ne at 35°C is 9.64 atm.

To find the pressure, we can use the ideal gas law which relates the pressure, volume, temperature, and amount of gas (in moles) in a closed system of an ideal gas.

Step 1: Convert the temperature to Kelvin.
K = °C + 273.15
K = 35 + 273.15 = 308.15 K

Step 2: Use the ideal gas law formula for each gas.
PV = nRT
For this problem, R (the gas constant) is 0.0821 L⋅atm/mol⋅K.

Step 3: Solve for the pressure of each gas.
P = nRT/V

For \(H_{2}\):
P(\(H_{2}\)) = (2.50 mol)(0.0821 L⋅atm/mol⋅K)(308.15 K) / 10.0 L
P(\(H_{2}\)) = 6.34 atm

For He:
P(He) = (1.00 mol)(0.0821 L⋅atm/mol⋅K)(308.15 K) / 10.0 L
P(He) = 2.54 atm

For Ne:
P(Ne) = (0.30 mol)(0.0821 L⋅atm/mol⋅K)(308.15 K) / 10.0 L
P(Ne) = 0.76 atm

Step 4: Calculate the total pressure by adding the individual pressures.
P(total) = P(\(H_{2}\)) + P(He) + P(Ne)
P(total) = 6.34 atm + 2.54 atm + 0.76 atm
P(total) = 9.64 atm

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Answer:

Explanation:

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these are the examples of homogeneous mixture

The example of a reaction to which Markovnikov's rule applies is: CH₂=CH-CH₂-CH₃ + HBr → CH₂Br-CH₂-CH₂-CH₃

In this reaction, the hydrogen atom from HBr adds to the carbon atom with the fewer alkyl substituents (less substituted carbon), while the bromine atom adds to the carbon atom with more alkyl substituents (more substituted carbon). This follows Markovnikov's rule, which states that in the addition of a protic acid (such as HBr) to an asymmetrically substituted alkene, the hydrogen atom adds to the less substituted carbon and the other atom adds to the more substituted carbon.

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The reaction of solid selenium dioxide, gaseous oxygen, and liquid water forms aqueous selenic acid, which can be represented by the following balanced chemical equation:

 \(SeO_{2} + 2H_{2}O + O_{2 }= 2H_{2}SeO_{4}\)

The reaction of solid selenium dioxide, gaseous oxygen, and liquid water forms aqueous selenic acid, which can be represented by the following balanced chemical equation:

\(SeO_{2} + 2H_{2}O + O_{2 }= 2H_{2}SeO_{4}\)

This equation is balanced because it follows the Law of Conservation of Mass, meaning that the same number of atoms of each element are found on both sides of the equation.

In this equation, two molecules of selenium dioxide (SeO2) react with two molecules of liquid water (H2O) and one molecule of gaseous oxygen (O2) to form two molecules of aqueous selenic acid (H2SeO4).

This reaction is an oxidation-reduction reaction, whereby the selenium dioxide is oxidized from Se(IV) to Se(VI) and the oxygen is reduced from O(IV) to O(II).  The oxygen is the oxidizing agent and the selenium dioxide is the reducing agent. This reaction is exothermic, meaning that energy is released in the form of heat.

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Complete question:

Selenic acid (H2SeO4) forms when solid selenium dioxide reacts with gaseous oxygen and liquid water to form aqueous selenic acid.

Problem Q: Enter a balanced chemical equation for this reaction.

The bag material is of insulator type. Heat does not no flow through insulator. The outside bag temperature reaches 54 ºC.

The study of thermodynamics examines how heat, work, temperature, as well as energy are related. The general topic of thermodynamics is the energy that is transferred from one location or form to another. The fundamental idea would be that warmth is a type of energy that is equivalent to a specific quantity of mechanical labor.

The outside bag temperature reaches 54 ºC (but no higher) within 2 minutes. The temperature does not go above 50 ºC, and does not go below 40 ºC for at least 25 minutes. The temperature reaches 8 ºC in less than 2 minutes. The temperature does not go below 10 ºC, and stays below 20 ºC for at least 15 minutes. The bag material is of insulator type.

Therefore, the bag material is of insulator type.

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Answer:

80.2

Explanation:

we subtract 18.2 from the total percentage which is 100%

The measured dipole moment of a polar covalent compound is 1.11 D with a percent ionic character of 18.2%. Therefore, the bond length of this compound will be 1.270 angstrom.

Dipole moment results due to the separation of charges in a compound. Dipole moment can occur between the two ions present in an ionic bond or between the atoms present in a covalent bond. Dipole moment occurs due to the differences in electronegativity of atoms. The larger the difference in electronegativity between ions, the larger the dipole moment of the compound.

The bond length of the compound can be calculated with the help of the formula:

Measured dipole moment = 1.11 D

Theoretical bond length = 4.8×bond length

Percentage ionic character =  (μ₁ / μ₂) × 100

where, μ₁ = μ theoretical,

μ₂ = μ experimental

Putting the values in formula we get,

18.2 = (1.11/ 4.8 × bond length) × 100

Bond length = (1.11/ 4.8 × 18.2) × 100

Bond length = 111/ 87.36

Bond length = 1.270

Therefore, the bond length of the dipole is 1.270 angstrom.

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Answer:

0.245 moles

Explanation:

moles of lithium = 2*moles of Li2SO4

so moles of LI2SO4=2.94*10^23/(2*6*10^23)=0.245

One mole of lithium sulphate contains 1.2 .022 × 10²⁴ atoms. Thus, the number of moles of this compound which contains 2.94 × 10²³ Li atoms is 4.08 moles.

Any substance containing 6 .022 × 10²³ number of atoms is called one mole of that substance. This number is called Avogadro number. Hence, one mole of every elements or molecules contains Avogadro number of atoms.

Similarly, one mole of any compound contains 6 .022 × 10²³ molecules. The weight of one mole of a compound is called its molar mass. The mass of one mole of an element is called its atomic mass.

Hence, one mole of lithium sulphate contains 2 × 6 .022 × 10²³  atoms of lithium. Therefore, the number of moles of lithium sulphate containing 2.94 × 10²³ Li is :

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Answer:

a. more than the earth pull on the moon sorry if false

Answer:

ok so basicalkly he lloked at how the subdiction zone formed and where previus conintal drift occured

Explanation:

Cu(s), will spontaneously reduce Fe2+ and Ag+. Thus option A is the answer.

A redox (reduction-oxidation) reaction is a chemical reaction in which one species (the reducing agent) loses electrons, while another species (the oxidizing agent) gains electrons. The reducing agent is said to be reduced, while the oxidizing agent is said to be "oxidized." In this case, copper metal, Cu(s), is the reducing agent, and \(Fe2+\) and \(Ag+\) are the oxidizing agents.

In the redox reaction, copper metal will lose electrons and is oxidized to Cu2+. The Fe2+ and Ag+ ions will gain electrons and be reduced to Fe and Ag, respectively. This process is spontaneous because the final state of the reaction is more stable than the initial state.

The reaction can be written as:

\(Cu(s) + Fe^{2+} -- > Cu^{2+} + Fe(s)\)

\(Cu(s) + Fe^{2+} -- > Cu^{2+} + Fe(s)\)

In summary, copper metal is a stronger reducing agent than Fe2+ and Ag+ ions, which is why the reaction is spontaneous.

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The capacity of stationary phases used in high performance liquid chromatography (HPLC) to distinguish between polar column and nonpolar chemicals can be used to classify them.

Extremely polar chemicals, which are difficult to separate under reversed-phase conditions, can be retained and separated successfully using hypercarb columns. This application has shown that: Polar chemical retention is good in hypercarb columns. The techniques created on Hypercarb columns are solid.

(We define a bond to be polar if there is a difference between the electronegativity of the atoms in the bond that is more than 0.4. The bond is effectively nonpolar if the difference in electronegativity is smaller than 0.4.) The molecule is nonpolar if there are no polar bonds.

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Answer:

Examples of pure substances include tin, sulfur, diamond, water, pure sugar (sucrose), table salt (sodium chloride) and baking soda (sodium bicarbonate). Crystals, in general, are pure substances. Tin, sulfur, and diamond are examples of pure substances that are chemical elements. All elements are pure substances.

Explanation:

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