Give the concentration of each type of ion in the following solutions:
a. 0.50 M CO(NO3)2
b. 1 M Fe(C1O4)3​

The reaction given by

Moles of Li

1 mol Lithium produces 1 mol H_2

2.8mol produces

i.e 2.8(2)=5.6g hydrogen

Answer:

You Need To Upload The Photo Then I Will Help You :)

Explanation:

H2 (g) hydrogen, Cl2 (g) chlorine, and 2HCl (g) hydrogen chloride make up the balanced chemical equation.

The periodic table's diatomic elements. Hydrogen (H), nitrogen (N), oxygen (O), fluorine (F), chlorine (Cl), bromine (Br), and iodine (I) are the seven diatomic elements (I). Because the atoms are found in pairs, we refer to them as diatomic elements.

Just one more electron is needed for each chlorine atom to achieve a stable electrical state. In order to create the molecule Cl, two chlorine atoms can share one of their valence electrons. This explains why chlorine occurs as a diatomic molecule rather than as individual monoatomic atoms.

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Answer: True

Explanation:

The pressure that must be applied to increase the dentisy by 0.10% is 453.48 atm.

It's important to note that isothermal compressibility simply means the fractional differential change that can be seen in the volume as a result if the change in pressure.

It should be noted that the isothermal compressibility formula will be:

= 1/v (dv/dp)

where v = volume

p = pressure

dv = 0.10% = 0.001

This will be:

2.21 × 10^(-6) = 0.001/dp

dp = 0.001 / 2.21 × 10^(-6)

dp = 452.48 atm

New pressure = 1 atm + 452.48 atm

= 453.48 atm

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Complete question

The isothermal compressibility of lead at 293 K. Calculate the pressure that must be applied to increase the dentisy by 0.10%.

The statement which is  given below describe a homogeneous catalyst.

"It is in the same phase as the reactants"

The catalyst which have similar phase to the reactant of the reaction is called homogeneous catalyst.

Mostly in  homogeneous catalyst, catalyst present in liquid form.

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Answer:

The diesel fuel in the delivery truck

Explanation:

Answer:

The answer is c

Explanation:

The diesels fuel in the delivery truck

To determine the volume factor change, we must make V2 the focus of the equation. Therefore, the volume factor change is (c) 1/2.

As the Kelvin temperature increases, the pressure increases. Direct proportionality governs the connection between the two sums.

When the temperature in Kelvin increases, the pressure of the gas will increase fourfold.

According to the Stefan-Boltzmann law, an object's total radiant heat production .

and absolute temperature are inversely related.

Learn about the Boltzmann Law.

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An error during DNA replication would create a gene mutation.

During DNA replication, the genetic information in a cell is copied to make new DNA molecules. However, mistakes can occur during this process, leading to changes in the DNA sequence, which can result in a mutation. Mutations can also be caused by exposure to environmental factors, such as radiation or chemicals, which can damage the DNA molecule directly or affect the cellular processes involved in DNA replication.

Mutations can have a variety of effects on the organism, ranging from no effect to causing serious health problems or even death. Gene mutations can also be inherited from a parent, which can result in genetic disorders or predisposition to certain diseases. Therefore, it is important to understand the mechanisms of gene mutations and their potential impacts on organisms.

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The word "symptom" refers to a specific manifestation or indication of a condition, disease, or disorder that is experienced or observed by an individual.

Symptoms are subjective or objective changes in the body's normal functioning that may be recognized as abnormal, uncomfortable, or problematic. Symptoms can manifest in various ways depending on the nature of the underlying condition. They can be physical, such as pain, rash, cough, fever, or fatigue, indicating an illness or injury affecting the body. Symptoms can also be psychological, such as anxiety, depression, or confusion, reflecting disturbances in mental health.

Symptoms serve as important clues for medical professionals to identify and diagnose diseases or disorders. They provide valuable information about the nature, severity, and progression of an illness, helping healthcare providers formulate appropriate treatment plans. Additionally, symptoms may also be important for individuals to self-assess their own health status and seek appropriate medical attention.

It is essential to note that symptoms alone may not provide a definitive diagnosis, as they can overlap across different conditions. Further evaluation, including medical tests and examinations, is often necessary to confirm a diagnosis and determine the appropriate course of action.

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This atom has a mass number of 195. Hence, there are 78 protons in an atom, which is the atomic number.

Atoms that belong to the same element with the same isotopes Z but a distinct mass number A are known as isotopes. Carbon-12, Carbon-13, while Carbon-14 are three isotopes of the element carbon, each with a mass of 12, 13, and 14.

Atoms that belong to the same element with an identical electron density Z but a distinct mass number A are known as isotopes. For instance, carbon-12, carbon-13, or carbon-14 are three isotopes of the crystal structures, with corresponding weights of 12, 13, and 14.

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Answer:

THE CORRECT ANSWER IS THE PRINCIPLE OF ORIGINAL LATERAL CONTINUITY. THIS PRINCIPLE STATES THE RELATIONSHIP BETWEEN SEDIMENTARY ROCKS.

Explanation:

1) Rate of a reaction. This is the speed at which a reaction takes place. At the beginning of a reaction, we have pure reactants and no products. This makes the reaction take place at maximum speed which gradually decreases as it reaches the equilibrium. At this point, the forward and backward rates are the same.

The rate of the forward reaction is at its maximum when pure NO gas is first placed in the container.

.

Answer:

\(V_2=8L\)

Explanation:

Hello there!

In this case, considering the Avogadro's gas law, which treats the volume and moles in a directly proportional way via:

\(\frac{V_1}{n_1}=\frac{V_2}{n_2}\)

Which can be solved for the final volume, V2, as shown below:

\(V_2=\frac{V_1n_2}{n_1}\)

Thus, by plugging in the given data, we obtain:

\(V_2=\frac{4L*(0.250mol+0.250mol)}{0.250mol}\\\\V_2=8L\)

Regards!

The final total volume of gas is equal to 8 Liters.

Given the following data:

To determine the final total volume of gas, we would apply the Avogadro's equation for an ideal gas:

At constant temperature and pressure, Avogadro's equation for an ideal gas is given by this formula:

\(\frac{V_1}{n_1} = \frac{V_2}{n_2}\)

For the final total moles:

\(n_2=n_1+n_1\\\\n_2 = 0.250+0.250\\\\n_2=0.50\;mol\)

Making \(V_2\) the subject of formula, we have:

\(V_2 = \frac{V_1n_2}{n_1}\)

Substituting the given parameters into the formula, we have;

\(V_2 = \frac{4 \times 0.5}{0.25}\)

Final total volume = 8 Liters.

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Peter measured the height of a plant five times then the measurements is the least precise is 15.5 cm

Measurement precision is the numerically using measure of imprecision as that standard deviation then calculated from the result by carrying replicate measurement and here given measurements are 15.5 cm, 19.4 cm, 15.6 cm, 15.8 cm, 15.9 cm and in that measurements the least precise are 15.5 cm

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Batteries, natural gas, and coal are all chemical energy

BaSO4 (s) + Cu(NO3)2 (aq)  and KCl (s) + Mg3(PO4)2 (s) is the product of given precipitation reactions.

Ba(NO3)2 (aq) + CuSO4 (aq) → BaSO4 (s) + Cu(NO3)2 (aq)

 K3 PO4 (aq) + MgCl2 (aq) → KCl (s) + Mg3(PO4)2 (s)

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Answer:

The mean free path in a sample of gas is the average distance traveled by a gas molecule between successive collisions with other molecules. In a constant-volume container, the mean free path is influenced by temperature.

As temperature increases, the kinetic energy of gas molecules also increases. This leads to higher molecular speeds and more frequent collisions between molecules. Consequently, the average distance traveled by a gas molecule between collisions decreases, resulting in a shorter mean free path.

Therefore, in a constant-volume container, as temperature increases, the mean free path of gas decreases.

brainlest pleos :)

To calculate the molarity of the solution, we need to know the number of moles of BaI2 and the volume of the solution in liters.

First, let's calculate the number of moles of BaI2. We can use the formula:

Number of moles = Mass (in grams) / Molar mass

The molar mass of BaI2 can be calculated as follows:

Ba: atomic mass = 137.33 g/mol

I: atomic mass = 126.90 g/mol

2 x I = 2 x 126.90 g/mol = 253.80 g/mol

Total molar mass of BaI2 = 137.33 g/mol + 253.80 g/mol = 391.13 g/mol

Number of moles of BaI2 = 413 g / 391.13 g/mol ≈ 1.056 moles

Next, we need to convert the volume of the solution from milliliters to liters:

Volume of solution = 750 ml / 1000 = 0.75 L

Finally, we can calculate the molarity using the formula:

Molarity = Number of moles / Volume of solution

Molarity = 1.056 moles / 0.75 L ≈ 1.408 M

Therefore, the molarity of the BaI2 solution is approximately 1.408 M.

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0.212 g of KHP is are dissolved in 50.00 mL of water and are titrated by 35.00 mL of 0.0297 M NaOH.

Potassium hydrogen phthalate, KHP, is a monoprotic acid often used to standardize NaOH solutions.

The balanced neutralization equation is:

NaOH(aq) + KHC₈H₄O₄(aq) ⇒ KNaC₈H₄O₄(aq) + H₂O(l)

0.212 g of KHP react. The molar mass of KHP is 204.22 g/mol.

0.212 g × 1 mol/204.22 g = 1.04 × 10⁻³ mol

The molar ratio of NaOH to KHP is 1:1.

1.04 × 10⁻³ mol KHP × 1 mol NaOH/1 mol KHP = 1.04 × 10⁻³ mol NaOH

1.04 × 10⁻³ moles of NaOH are in 35.00 mL of solution.

[NaOH] = 1.04 × 10⁻³ mol / 35.00 × 10⁻³ L = 0.0297 M

0.212 g of KHP is are dissolved in 50.00 mL of water and are titrated by 35.00 mL of 0.0297 M NaOH.

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Na₂SO₄ contains 1.90834 X 10²⁴ molecules or formula units in a 450 gram sample.

Formula unit- The chemical formula of an ionic compound that lists the ions in the smallest ratio that corresponds to a neutral electrical charge is known as a formula unit. Chemical formulae are used to describe the constituent parts of a compound in chemistry.

Na₂SO₄ molecular mass is 23x2+ 32+ 16X4.

= 142g/mol

Na₂SO₄ mass = 450g

Na₂SO₄ moles are equal to mass/molar mass.

450g/142g/mol = 3.170 mol.

6.02 X 10²³ mol is the Avogadro's number.

formula unit= moles * Avogadro's number

⇒3.17 X 6.02 X 10²³ molecules= 1.90834 X 10²⁴  

Na₂SO₄ therefore contains 1.90834 X 10²⁴ molecules or formula units..

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In order for a nuclear equation to be considered balanced, both sides' sums of the atomic and mass numbers (subscripts and superscripts) must be the same.

What is mean by alpha decay and beta decay?

Alpha decay:

Beta-decay:

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In the electrical arrangement, the 6p subshell of the radon element contains 6 electrons.

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Answer:

wouldnt they still have the same density?

Explanation:

for example, the density of iron is 7.874 g/cm^3 no matter how big the piece is. I hope this helps.

Considering the ideal gas law, the volume occupied by 3.25 moles of an ideal gas at a temperature of 18.00°C is 686.71 L.

An ideal gas is the behavior of those gases whose molecules do not interact with each other and move randomly. Under normal conditions and under standard conditions, most gases exhibit ideal gas behavior.

An ideal gas is characterized by three state variables: absolute pressure (P), volume (V), and absolute temperature (T), related by a simple formula called the ideal gas law:

P×V = n×R×T

Where:

In this case, you know:

Replacing in the ideal gas law:

1.13 atm×V = 3.25 mol× 0.8205 L.atm/K.mol× 291 K

Solving:

V = (3.25 mol× 0.8205 L.atm/K.mol× 291 K)÷ 1.13 atm

V= 686.71 L

Finally, the volume is 686.71 L.

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Answer:

density=20/8 g/cc=2.5 g/cc

Mercury is more dense, so aluminum will float on it. Water is less dense, so the aluminum will be below water.

Aluminum will float atop mercury because it is more dense than it. Due to water's lower density, the metal will lie below the surface.

Density is defined as the measure of how densely a material is packed together.

It can also be defined as the mass of a solid substance per unit volume.

Density is important because it enables us to predict which compounds will float and which will sink in a liquid, density is a crucial notion. As long as an object's density is lower than the liquid's density, it will often float.

The term "density" refers to the relationship between a substance's mass and the volume it takes up in space. The mass, size, and arrangement of an object's atoms influence its density.

Density can be expressed as

Density = mass / volume

There are two types of density.

Thus, aluminum will float atop mercury because it is more dense than it. Due to water's lower density, the metal will lie below the surface.

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Answer:

|) The burning of a piece of wood.

Explanation:

The burning of wood leads to the formation of new substances like ash(carbon), carbon dioxide gas, water vapour, heat and light. This change is irreversible and hence a chemical change.

Answer: Positive ions or cations

Explanation:

The ions are formed when an atom gains or lose electrons.

The ions are classified into two which are called the cations and anions. The cation is classified as the positive charge formed by the loss of electrons. Example: \(Na^+\) is formed by the loss of one electron by \(Na\)

The anion is classified as the negative charge ion formed by the gain of electrons. Example : \(F^-\) is formed the gain of one electron by \(F\)

Thus when an element loses electrons, it forms positive ions or cations.