represents a mixture of three different gases. Part A Rank the three components in order of decreasing partial pressure. Rank gases from highest partial pressure to lowest. To rank items as equivalent, overlap them. SubmitMy AnswersGive Up Correct Part B If the total pressure of the mixture is 1.65 atm , calculate the partial pressure of each gas. Express your answers using two significant figures. Enter your answers numerically separated by commas.

Answer:

Explanation:

Edmentum

The arrangement of electrons within an atom's orbitals is known as its electronic configuration. The atomic number, which is equal to the number of protons in every neutral atom, is the set quantity of electrons that make up each neutral atom.

The distribution of an element's atoms' electrons throughout several atomic orbitals is symbolically represented by the electronic configuration of that element.

A standardized nomenclature is used for expressing electron configurations, in which the energy level and type of orbital are written first, followed by the number of electrons in the orbital, which is expressed in superscript.

The correct matches are:

Zn: [Ar] 3d¹⁰ 4s²

Fe: [Ar] 3d⁶ 4s²

Sn: [Kr] 4d¹⁰5s²5p²

Cl: [Ne] 3s² 3p⁵

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The free energy change is always negative and the reaction is always spontaneous if the reaction is exothermic (H is negative) and the entropy S is positive (greater disorder).

No of the temperature, a process that simultaneously produces heat and raises entropy is always spontaneous (has a negative G). A similar reaction will be non-spontaneous (positive G) at all temperatures if it both absorbs heat and reduces entropy.

As long as the temperature is low, an exothermic process that reduces disorder and is exothermic cannot be spontaneous. A procedure cannot be unplanned if it is endothermic, and as long as the temperature is high, there is a rise in disorder.

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Answer:

B: Ions.

Explanation:

It breaks into two particles when placed into water: A positive ion and a negative ion.

5. Increasing the temperature to increase molecule collisions.

An increase in the temperature of the solution can increase the solubility of a solid solute. For example, a greater amount of sugar will dissolve in warm water as compared to in cold water. The size of solute particles, stirring of the solution and increasing temperature of the solution are the three factors that can affect the solubility of a solid in a solvent. Increasing the surface area of the solute will also increase the rate of dissolving in a solution as well as increase the temperature of the solvent. Stirring will increase the speed which also increases the rate of dissolving a solid solute in a solution which helps in attaining higher solubility.

So we can conclude that temperature is the factor that increases the solubility of a solid into a solution.

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Answer:

Increase temp

Shaking/ stirring

Grinding

Explanation:

Chatgpt hehehehe

Answer:

The elements in the reactants are the same as the elements in the products.

Explanation:

You can't have more or less elements or atoms, but you also can't just have the same number of atoms because then it could be different elements, which can't happen.

Answer:

a

Explanation:

Answer:

It is A, A solution with as much dissolved solute as it can hold at a given temperature.

Explanation:

A saturated solution may be characterized as a solution with as much dissolved solute as it can hold at a given temperature. Thus, the correct option for this question is A.

The characteristics of the saturated solution are as follows:

According to the context of this question, a solution that holds less dissolved solute than is possible at a given temperature represents the properties of an unsaturated solution that does not form any kind of bubbles. For example, sodium chloride in water.

Therefore, a saturated solution may be characterized as a solution with as much dissolved solute as it can hold at a given temperature. Thus, the correct option for this question is A.

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The molarity of the solution is 2 mol/L, and the osmolarity of the solution is 8 osmol/L (D).

Molarity is defined as the number of moles of solute per liter of solution. In this case, we have 2 moles of iron chloride (FeCl3) dissolved in a final volume of 1 liter of water. Therefore, the molarity of the solution is:

Molarity = moles of solute / volume of solution

Molarity = 2 mol / 1 L

Molarity = 2 mol/L

Osmolarity, on the other hand, takes into account the number of particles in a solution that can contribute to osmotic pressure. Iron chloride dissociates into ions in water, forming Fe3+ and 3 Cl- ions. So, each mole of FeCl3 dissociates into 4 particles (1 Fe3+ ion and 3 Cl- ions).

Since we have 2 moles of FeCl3, the total number of particles in the solution is 2 mol x 4 particles/mol = 8 particles. Osmolarity is calculated by dividing the total number of particles by the volume of the solution:

Osmolarity = total particles / volume of solution

Osmolarity = 8 particles / 1 L

Osmolarity = 8 osmol/L

Therefore, the correct answer is option D: Molarity of 2 mol/L and osmolarity of 8 osmol/L.

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Answer:

A. physical change

b. physical change

c. chemical change

d. chemical change

Answer:

The oxidation number of Na that is neutral is 0

Explanation:

This is because there is no gain or loss of electrons. Sodium, in its ground state, has 11 electrons arranged in three energy levels. Since the atom is electrically neutral, the number of protons in the nucleus (11) is equal to the number of electrons. Therefore, the oxidation number of elemental sodium is 0. This usually applies for any free element that is not an Ion/doesn't has a charge.

When reading the label on a reagent container, the three most important pieces of information include:

This is referred to a chemical which is added to a mixture thereby resulting in a chemical reaction occurring and have different properties which is why the label has to contain their features.

It is therefore best to check the label for properties such as name and concentration so as to enable individuals use it for the right type of reactions and is also important in prevention of the risk of accident by individuals.

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After 72 days, a 1050 mg sample of Iodine-131 would have decayed to approximately 46.87 mg.

A half-life is the time it takes for half of a sample of a radioactive isotope to decay. It is a characteristic property of each isotope and can be used to predict how long it will take for a given sample to decay to a certain amount. The amount of an isotope remaining after a certain amount of time can be calculated using the half-life and the formula N = N0 * (1/2)^(t/T).

Iodine-131 is used in medical treatments because it emits beta particles that can destroy cancerous cells. Its short half-life is an advantage because it allows for a higher dose of radiation to be delivered to the tumor while minimizing the amount of radiation exposure to healthy tissues. After a few weeks, the Iodine-131 decays to a negligible amount and the patient is no longer radioactive.

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Answer:

the most common oxidation no.of manganese is + 2 + 3 + 4 + 6 + 7

Explanation:

The pressure of the gas is approximately 4.57 atm or 438.629 kPa

The Ideal gas law or general gas equation states that "the pressure multiplied by volume is equal to moles multiply by the universal gas constant multiply by temperature.

It is expressed as;

PV = nRT

Where P is pressure, V is volume, n is the amount of substance, T is temperature and R is the ideal gas constant ( 0.08206 Latm/molK )

Given that;

First, we need to convert the temperature to Kelvin:

T (K) = T (Celsius) + 273.15

T (K) = 93.5 + 273.15

T (K) = 366.65 K

Now we can substitute the given values into the formula:

PV = nRT

P = nRT / V

P = ( 6 × 0.08206 × 366.65 ) / 41.7

P = 4.33 atm

Convert to kPa by multiplying the pressure value by 101.3

P = ( 4.33 × 101.3 ) kPa

P = ( 4.33 × 101.3 ) kPa

P = 438.629 kPa

The pressure is approximately 4.57 atm or 438.629 kPa.

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Answer:

The temperature at which the vapor pressure of a liquid is just equal to the external ... The conversion of a liquid to a gas below the boiling point is called ... equilibrium temperature of the mixture was 36.0 °C. What is the specific heat (J/ g°C) of the metal

Explanation:

The ion that does not have a Roman numeral as part of its name is {Zn}^{2+}.

Explanation: Zinc ion has no roman numeral.

Zinc(II) or Zn2+ is a cation having a charge of +2, indicating that it has lost two electrons.

It is also one of the most common trace elements in the human body and is required for numerous metabolic activities. It is located in cells throughout the body, particularly in the liver, pancreas, and bone.

It is the most important metal in the brain and is required for proper growth and development. In the name of other cations, Roman numerals are used to indicate their charge.

For example, Iron(II) is {Fe}^{2+}, Iron(III) is {Fe}^{3+}, Lead(II) is {Pb}^{2+}, and Tin(II) is {Sn}^{2+}.

Among all the options, {Zn}^{2+} is the ion that does not have a Roman numeral as part of its name.

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Answer:

Melting and Boiling points

Explanation:

The boiling point of a liquid is 100°C and the melting point is 0°C; this can help identify whether or not the liquid is pure or could potentially be water.

Answer:

6 cm

Explanation:

The total number of valence electrons in the Lewis structure of XeF2 can be determined by adding up the valence electrons of xenon (Xe) and fluorine (F) atoms.

Xenon is in Group 18 of the periodic table, so it has 8 valence electrons.

Fluorine is in Group 17, so each fluorine atom contributes 7 valence electrons.

Total valence electrons in XeF2 = Valence electrons of Xe + Valence electrons of F atoms

                                = 8 + 2(7)

                                = 8 + 14

                                = 22

Therefore, there are 22 valence electrons in the Lewis structure of XeF2.

To draw the Lewis structure of XeF2:

1. Place the xenon atom (Xe) in the center.

2. Connect the xenon atom to two fluorine atoms (F) with single bonds.

3. Distribute the remaining valence electrons around the atoms to satisfy the octet rule (except for xenon, which can exceed the octet rule).

4. Place lone pairs on the fluorine atoms as needed to complete their octets.

5. Check that the total number of valence electrons matches the calculated value (22 in this case).

The resulting Lewis structure of XeF2 should show xenon in the center bonded to two fluorine atoms, with the remaining valence electrons distributed as lone pairs or bonding pairs around the atoms.

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Your answer is A. What is the composition of air?

The question that can be answered by science is What is the composition of air? The correct option is A.

Science is a subject that deals with the components of the earth. It has a wide variety of components of earth. Like planets and meteorites. Plants, animals, and other creatures. Nature, trees, and other abiotic factors.

Science gives answers to the secrets of the earth, and they unravel the mysteries of nature and the earth. They solve the mysteries of air, water, and other natural processes.

So the composition of air can be told by science. The air is made up of a mixture of gases. Air is present in the atmosphere. It is needed for breathing, and it is an important component of life because it provides oxygen to the body.

The correct option is A. What is the composition of air?

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Answer:

0.47m²

Explanation:

Given parameters:

Length = 9.025 x 10⁶m

Width  = 5.215 x 10⁻⁸m

Unknown:

Area of the rectangle  = ?

Solution:

Area is the derived from the product of the length and width of a body.

 Area  = length x width  = 9.025 x 10⁶m  x  5.215 x 10⁻⁸m

  Area  = 0.47m²

Answer:

3rd option

Explanation:

Answer:

a.cl

b.O

c.O

d.S

e.N

f.p

g.N

The correct partial charges, where Se is partially negative and Ge is partially charged, are as follows: ∂+ Ge-Se ∂- 2. ∂+ Ge-Br - 3. Br-Se +, where is a partial noun.

A charge that is smaller than the charge on an electron, such as the charge on a quark, is referred to as a partial charge (plural: partial charges) in physics. the partial charge on a specific atom in a polar molecule brought on by variations in electronegativity When measured in elementary charge units, a partial charge has a non-integer charge value. Net atomic charge is another name for partial charge. It is symbolized by the Greek letter, often known as or +. The asymmetrical distribution of electrons in chemical bonds results in partial charges.

An electrostatic potential around with a molecule is represented by partial atomic or point charges, and the calculation for intermolecular interactions is dominated by the Interactions between such point charges.

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Answer:

Helium

Explanation:

The ionization energy decreases from top to bottom in groups, and increases from left to right across a period.

Answer:

3200

Explanation:

because it would book it up first to evaporate it next

An example of a physical change is the process of tempering steel to form a knife blade.

physical properties include melting, transition to a gas, change of strength, change of durability, changes to crystal form, textural change, shape, size, color, volume and density.

Sucralose is a chemical derivative of sucrose among the given artificial sweeteners. It is created through a process that substitutes three hydroxyl groups with chlorine atoms.

Making it much sweeter than regular sugar while maintaining a similar taste profile. Sucralose is derived from sucrose, commonly known as table sugar. In the process of creating sucralose, three hydroxyl groups of sucrose are replaced with chlorine atoms. This modification alters the chemical structure of sucrose, resulting in a compound that is approximately 600 times sweeter than sugar. Despite its intense sweetness, sucralose does not contribute calories or affect blood sugar levels, making it a popular choice as an artificial sweetener in various food and beverage products.

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Answer:

The electron configuration of nitrogen (N) is 1s²2s²2p³ . The electron configuration of an atom describes the distribution of electrons among different energy levels and orbitals. The first number in the electron configuration represents the principal energy level, while the letter represents the sublevel (s, p, d, or f). The superscript number represents the number of electrons in that sublevel .

The electron configuration of nitrogen (N) is 1s²2s²2p³. The correct option is 1.

An atom's electron configuration specifies how its electrons are dispersed throughout the various energy levels and orbitals.

The electron configuration of nitrogen (N), which has an atomic number of 7, is 1s²2s²2p³.

Nitrogen has a total of 7 electrons in this arrangement. The first energy level (1s) is completely occupied by two electrons, and the second energy level (2s) is also completely occupied by two electrons.

The remaining three electrons are in the 2p orbital. The 2p orbital is broken down into three suborbitals: 2px, 2py, and 2pz. Each suborbital may carry a maximum of two electrons, accounting for the three electrons in nitrogen's 2p³ structure.

Thus, the correct option is 1.

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Your question seems incomplete, the probable complete question is:

The electron configuration of nitrogen (N) is

The concentration of K2CO3 (Potassium carbonate) in the solution is 0.000235 M.

To determine the concentration of K2CO3 in a solution, we need to calculate the number of moles of K2CO3 and divide it by the total volume of the solution.

First, let's calculate the number of moles of K2CO3:

molar mass of K2CO3 = 2(39.1 g/mol) + 12.0 g/mol + 3(16.0 g/mol) = 138.2 g/mol

moles of K2CO3 = 17.8 g / 138.2 g/mol = 0.1287 mol

Next, let's calculate the total volume of the solution:

total mass of solution = 546 g

Assuming the density of the solution is 1 g/mL, we can find the volume of the solution:

volume of solution = 546 mL

Finally, we can calculate the concentration of K2CO3:

concentration of K2CO3 = moles of K2CO3 / volume of solution

= 0.1287 mol / 546 mL

= 0.000235 M

Therefore, the concentration of K2CO3 in the solution is 0.000235 M.

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