Rank these photons in terms of increasing energy:
(c) yellow (λ = 595 nm).

Imagine A represents a heterogeneous mixture as it is a mixture composition that does not remain the same throughout the mixture whereas Imagine B represents a homogeneous mixture as it does not have any change or irregularity.

A homogeneous mixture is defined as having a fairly uniform form and composition, so many homogeneous mixtures are referred to as solutions whereas heterogeneous mixtures are defined as separate substances or phases. The three states or states of matter are gas, liquid and solid.

Some examples of mixtures that include mixtures of sand and water, mixtures of sugar and salt, and mixtures of lime juice and water.

In homogenous solution, particles are distributed uniformly and have uniform composition while in heterogenous solution, particles are distributed non-uniformly and have non-uniform composition

Thus, Imagine A represents a heterogeneous mixture as it is a mixture composition that does not remain the same throughout the mixture whereas Imagine B represents a homogeneous mixture as it does not have any change or irregularity.

Learn more about Homogenous mixture, here:

https://brainly.com/question/24898889

SPJ2

this is just 60 divided by 15, which is 4

so your answer is 4A :)

Answer:

60 divided by 15? That's 4 if that's what you're asking

The final concentration would be one-tenth of the initial concentration

The concentration of a solution is the amount of solute present in a given amount of solvent. When you dilute a solution, you are adding more solvent to the solution, thereby decreasing the concentration of the solute.

To calculate the concentration of the diluted solution, you can use the dilution equation: C1V1 = C2V2
,where C1 is the initial concentration, V1 is the initial volume, C2 is the final concentration, and V2 is the final volume.

In this case, we are given the initial volume (V1) of 5ml and the final volume (V2) of 50ml. However, we are not given the initial concentration (C1). Therefore, we cannot calculate the final concentration (C2) without knowing the initial concentration.

If we knew the initial concentration, we could plug in the values into the equation and solve for C2:

C1(5ml) = C2(50ml)
C2 = (C1*5ml)/50ml
C2 = (C1/10)

So, the final concentration would be one-tenth of the initial concentration. However, without knowing the initial concentration, we cannot determine the final concentration of the diluted solution.

To know more about concentration of solution, refer here:

https://brainly.com/question/10720472#

#SPJ11

Answer:

Matter exists as different substances that have observable different properties. ... Because matter exists as particles that are too small to see, matter is always conserved even if it seems to disappear. Measurements of a variety of observable properties can be used to identify particular materials.

Explanation:

Is it right.

Why does cold soda taste great but warm soda taste flat ?

Answer

When a carbonated drink is at room temperature, it is less fizzy and taste flat. Cool it down and it will taste better because the drink is designed to be drank at a lower temperature for optimal fizz and taste.

HEY!!^^

have a great day^^

thank me later^^^

carryonlearing°^^^^

Answer:

Hydrogen

Explanation:

The noble gas helium is found in the first period in the periodic table. The only element that is also in that period is hydrogen.

Now, helium has two electrons in its outermost shell. It is the first member among the noble gases.

Each hydrogen atom has only one electron. Therefore, when two hydrogen atoms are joined by a singe covalent bond to form hydrogen gas, each hydrogen atom now has two electrons thereby attaining the electronic configuration of helium, the nearest noble gas to hydrogen.

Answer:

P = 2.145kPa

Explanation:

Mass = 22.1g

Molar mass of CO2 = 44g/mol

Vol = 165mL = 0.165L

T = -188°C = (-188 + 273.15)K = 85.15K

R = 8.314J/mol.K

From ideal gas equation,

PV = nRT

P = pressure of the ideal gas

V = volume the gas occupies

n = number of moles if the gas

R = ideal gas constant

T = temperature of the gas

n = number of moles

n = mass / molar mass

n = 22.1 / 44 = 0.50moles

PV = nRT

P = nRT/ V

P = (0.5 × 8.314 × 85.15) / 0.165

P = 2145.26Pa = 2.145kPa

Pressure of the gas is 2.145kPa

When an atom absorbs visible radiation, electrons jump from lower energy levels to higher energy levels.

One or more electrons in an atom can move from a lower energy level orbital to a higher energy level orbital by absorbing energy from the surrounding. This phenomenon is known as the excitation of electrons.

Atoms are made up of protons, neutrons, and electrons. While the protons and neutrons are located in the nucleus of atoms, the electrons are usually arranged in orbitals outside the nucleus.

Depending on the number of electrons an atom has, these electrons are arranged based on the energy level of orbitals. Lower energy orbitals are filled first before higher energy orbitals. This kind of electron arrangement is known as the ground-state electron configuration.

When an atom absorbs visible radiation, however, one or more electron becomes excited as a result of gaining energy. Such electrons move from their lower energy orbital position and transition to a higher energy level orbital. This kind of electron configuration is described as an excited state electron configuration.

More on the excitation of atoms can be found here: https://brainly.com/question/1968924

#SPJ1

At equilibrium, the forward and reverse reactions move at the same rate. This means that the rate of the forward reaction is equal to the rate of the reverse reaction.

In chemistry, equilibrium refers to a state in which the forward and reverse rates of a chemical reaction are equal, meaning that the concentrations of reactants and products are no longer changing over time. At equilibrium, the rate of the forward reaction is exactly balanced by the rate of the reverse reaction, resulting in a stable system that is often characterized by the specific values of concentration, pressure, or temperature. Equilibrium can be reached in a chemical reaction when the reactants are consumed and converted into products, and the concentration of the reactants and products reach a constant value. At this point, the reaction is said to be at dynamic equilibrium, where the rate of the forward reaction is equal to the rate of the reverse reaction.

Here,

At this point, the concentrations of reactants and products remain constant and there is no further net change in the amounts of these substances. This is known as dynamic equilibrium, and it is a state in which the rate of the forward and reverse reactions are balanced, and the system is in a stable state. Therefore, the answer to your question is that "The forward and reverse reactions move at the same rate" represents the rate of reaction at equilibrium.

To know more about equilibrium,

https://brainly.com/question/29359391

#SPJ1

Carbon and chlorine will form covalent bonds.

Carbon and chlorine will form covalent bonds because they have a small electronegativity difference.

The formula of the compound formed is CCl₄.

Covalent bonds are bonds formed as a result of the sharing of electrons between atoms of the same different elements,

Since the electrons are either lost or gained in covalent bonds, there are no ions formed in covalent bonding.

Covalent bonds are formed between atoms whose electronegativity differences are very small, for example, between carbon and chlorine.

Learn more about covalent bonds at: https://brainly.com/question/3447218

#SPJ1

The process used by the body for transporting broken-down molecules is known as passive transport.

This process involves the movement of molecules in and out of cells without the use of energy or the need for ATP. Passive transport occurs through a variety of mechanisms, including diffusion, osmosis, and facilitated diffusion.

In diffusion, molecules move from an area of higher concentration to an area of lower concentration until the concentration of the molecules is equal.

Osmosis is the diffusion of water molecules through a selectively permeable membrane from a high concentration of water to a low concentration of water.

Facilitated diffusion is the process by which molecules move through protein channels in the cell membrane. This process does not require the use of energy and is a type of passive transport.

To learn more about passive transport

https://brainly.com/question/13542102

The concentration in mol dm-³ of a solution which contains 3 moles of a given solute in 0.25dm³ (250cm³) of solution is 12 mol/dm³.

The concentration of a solution can be calculated by dividing the number of moles of the solution by its volume as per the following formula;

Concentration = moles ÷ volume

According to this question, a solution contains 3 moles of a given solute in 0.25dm³ (250cm³) of solution. The concentration of the solution can be calculated as follows:

Concentration = 3moles ÷ 0.25dm³

Concentration = 12 mol/dm³

Therefore, the concentration in mol dm-³ of a solution which contains 3 moles of a given solute in 0.25dm³ (250cm³) of solution is 12 mol/dm³.

Learn more about concentration at: https://brainly.com/question/202460

#SPJ1

1. The expected theoretical rate of diffusion of Cl- can be calculated based on its molecular weight using Graham's Law of Diffusion. Graham's Law states that the rate of diffusion of a gas is inversely proportional to the square root of its molecular weight. While Cl- is not a gas, the same principle can be applied to its diffusion through a liquid or a membrane.

The molecular weight of Cl- is approximately 35.5 g/mol. If we compare it to the molecular weight of a hypothetical gas with a molecular weight of 1 g/mol (used as a reference), we can calculate the expected rate of diffusion of Cl- as follows:

Rate of diffusion of Cl- = (Molecular weight of reference gas / Molecular weight of Cl-)^(1/2)

Rate of diffusion of Cl- = (1 / 35.5)^(1/2) = 0.188

Therefore, the expected theoretical rate of diffusion of Cl- is approximately 0.188 times the rate of diffusion of the reference gas.

2. Similar to Cl-, the expected theoretical rate of diffusion of Br- can also be calculated based on its molecular weight using Graham's Law. The molecular weight of Br- is approximately 80 g/mol. Using the same equation as before, we get:

Rate of diffusion of Br- = (Molecular weight of reference gas / Molecular weight of Br-)^(1/2)

Rate of diffusion of Br- = (1 / 80)^(1/2) = 0.125

Therefore, the expected theoretical rate of diffusion of Br- is approximately 0.125 times the rate of diffusion of the reference gas.

3. The fact that the rate of transport of a substance into a cell is drastically reduced when the formation of ATP is blocked suggests that the transport system must be a form of active transport. Active transport requires the input of energy (in this case, ATP) to move substances against their concentration gradient, from an area of low concentration to an area of high concentration. This process is in contrast to passive transport, which does not require energy and moves substances down their concentration gradient, from an area of high concentration to an area of low concentration.

4. To calculate the rate of diffusion of ferricyanide, we need to use the formula:

Rate of diffusion = Distance traveled / Time taken

We can use the distance between the outer edge of the ferricyanide well and the precipitation band, divided by the distance from the Ag well to the precipitation band with ferricyanide to calculate the rate of diffusion of ferricyanide. However, we are not provided with the time taken for the diffusion.

Learn more about ferricyanide here:

https://brainly.com/question/30903018

#SPJ11

Explanation:

1)Thomson model, electrons are embedded in positive charged solid material(nucleus)

Rutherford model, electrons surround the positive charged nucleus

2)Thomson, does not explain about atomic nucleus

Rutherford, explains in detail about nucleus

Answer:

C.

Explanation:

In terms of bonding, an atom’s chemical behavior is determined mostly by its number of electrons. Atoms will form ionic bonds when their electronegativies are great and are close to filling its outer shell to become stable. The amount of electrons an atom has plays a vital role in ionic bonds as it determines which atom will become a negatively charged ion or positively charged ion. Atoms will from covalent bonds because they are close to each other on the periodic table and share similar properties and therefore will share electrons.

Answer:

Density= 3.68g/cm³

The object will sink in water

Explanation:

D=m/v

=350/95

=3.684

≈3.68g/cm³

Water= 1g/cm³

The object will sink in water because the object is denser than the water.

3.684g/cm³ is the density of an object that has a mass of 350 g and a volume of 95 cm³. The object will sink in water.

The density of a material (volumetric density and specific mass) is its mass per unit volume. The most common sign for density is however the Roman letter D can be used as well. Density is defined mathematically as mass divided with volume.

The density of a pure material has the same numeric values just like its mass concentration. Various materials have varied densities, and density can be important in terms of buoyancy, purity, and packing.

D=m/v

=350/95

=3.684g/cm³

The object will sink in water

Therefore, 3.684g/cm³ is the density of an object that has a mass of 350 g and a volume of 95 cm³. The object will sink in water.

To learn more about density, here:

https://brainly.com/question/29775886

#SPJ2

Answer

A

Explanation

The ionization of HCO₃⁻ in H₂O is:

The general ionization constant, Ka is given as:

Hence, the ionization (Ka) of HCO₃⁻ is equal to:

Option A is the correct answer.

Answer:

The gram formula mass is the sum of the gram atomic masses of the atoms that make up a chemical formula. For lithium fluoride this works out to be 7g + 19g = 26g. Hence the mass of 1 mole of LiF is 26g; and the mass of 1.5 moles of LiF must be 1.5 × 26g = 39g.

Answer:

ionic covalent

Explanation:

1. Fluid compressibility (C): Fluid compressibility refers to the measure of how much a fluid's volume changes in response to a change in pressure.

2. Solution-gas/liquid ratio (SGLR): The solution-gas/liquid ratio represents the volume of gas dissolved in a given volume of liquid at a specific pressure and temperature.

3. Fluid formation volume factor (FVF): The fluid formation volume factor represents the ratio of the volume of a fluid at reservoir conditions (pressure and temperature) to its volume at surface conditions.

4. Fluid densities (ρ): Fluid densities refer to the mass per unit volume of a fluid.

5. Fluid viscosities (μ): Fluid viscosities represent the measure of a fluid's resistance to flow.

1.  Equation: C = -1/V * dV/dP

  Symbol: C

  Unit: 1/Pascal (Pa^-1)

  Correlation: The compressibility of fluids can vary depending on the fluid type. For ideal gases, the compressibility is inversely proportional to pressure.

2.Equation: SGLR = V_gas / V_liquid

  Symbol: SGLR

  Unit: Volumetric ratio (e.g., scf/bbl)

  Correlation: The solution-gas/liquid ratio is influenced by the pressure and temperature conditions, as well as the composition of the fluid.

3. Equation: FVF = V_reservoir / V_surface

  Symbol: FVF

  Unit: Volumetric ratio (e.g., bbl/STB)

  Correlation: The fluid formation volume factor depends on the composition and properties of the fluid, as well as the reservoir conditions.

4. Equation: ρ = m / V

  Symbol: ρ

  Unit: Mass per unit volume (e.g., kg/m^3)

  Correlation: Fluid densities can vary depending on the type and composition of the fluid. For example, water has a density of approximately 1000 kg/m^3.

5. Equation: No single equation; viscosity is measured experimentally using viscometers.

  Symbol: μ

  Unit: Pascal-second (Pa·s) or centipoise (cP)

  Correlation: The viscosity of a fluid is influenced by temperature and pressure. Different fluids exhibit different viscosities, ranging from low-viscosity fluids like water to high-viscosity fluids like heavy oil.

To know more about Fluid formation volume factor (FVF)

https://brainly.com/question/31458735

#SPJ11

Shawn, a competitor in cup stacking, has a sample stacking time mean of 9.2 seconds from 13 trials. Shawn still claims that her average stacking time is 8.5 seconds, and the high average can be attributed to chance. At the 4% significance level, does the data provide sufficient evidence to conclude that Shawn's mean stacking time is greater than 8.5 seconds the correct answer is: 5) Do not reject the null hypothesis because the value of the p-value (0.2709) is greater than the value at the significance level (0.04).

To determine whether the data provides sufficient evidence to conclude that Shawn's mean stacking time is greater than 8.5 seconds, we need to perform a hypothesis test.

The null hypothesis (H₀) states that Shawn's mean stacking time is equal to or less than 8.5 seconds. The alternative hypothesis (H₁) states that Shawn's mean stacking time is greater than 8.5 seconds.

Based on the information given, we have:

- Zo = 0.61

- P = 0.2709

- Significance level (α) = 0.04

To make a decision, we compare the p-value (0.2709) to the significance level (0.04).

If the p-value is less than the significance level (p-value < α), we reject the null hypothesis. If the p-value is greater than or equal to the significance level (p-value ≥ α), we fail to reject the null hypothesis.

In this case, since the p-value (0.2709) is greater than the significance level (0.04), we fail to reject the null hypothesis. Thus, the correct answer is: 5) Do not reject the null hypothesis because the value of the p-value (0.2709) is greater than the value at the significance level (0.04).

Learn more about null hypothesis here:

https://brainly.com/question/32386318

#SPJ11

The complete question is:

Shawn, a competitor in cup stacking, has a sample stacking time mean of 9.2 seconds from 13 trials. Shawn still claims that her average stacking time is 8.5 seconds, and the high average can be attributed to chance. At the 4% significance level, does the data provide sufficient evidence to conclude that Shawn's mean stacking time is greater than 8.5 seconds? Given the sample data below, accept or reject the hypothesis.  Zo = 0..61, P = 0.2709, Answer options given are

1) do not reject null hypothesis because 0.61 > 0.04

2) Reject the null hypothesis because value of z is >is positive

3) Reject the null hypothesis because 0.61 > 0.04

4) Reject the null hypothesis because value of p which 0.2709 is greater than value at signifance level 0.04

5) Do not Reject the null hypothesis because value of p which 0.2709 is greater than value at signifance level 0.04

Answer: 1.215 × 10^4  i think

Explanation:

(a) If the partial pressure of CO₂ is increased, the partial pressure of H₂ will decrease.

(b) If the partial pressure of CO is decreased, the partial pressure of CO₂ will increase.

(c) If the concentration of CO is increased, the concentration of H₂ will increase.

(d) If the concentration of H₂O is decreased, the equilibrium constant for the reaction (K) will decrease.

According to Le Chatelier's principle, if a change is brought on a chemical system in equilibrium, the equilibrium will shift to counteract the change.

Considering the given reaction in equilibrium:

(a) If the partial pressure of CO₂ is increased,  In this case, the equilibrium will shift to the left, favoring the reverse reaction. As a result, the partial pressure of H₂ will decrease.

(b) If the partial pressure of CO is decreased, the equilibrium will again shift to counteract the change. In this case, the equilibrium will shift to the right, favoring the forward reaction. As a result, the partial pressure of CO₂ will increase.

(c) If the concentration of CO is increased, the equilibrium will shift to consume the excess CO. In this case, the equilibrium will shift to the right, favoring the forward reaction. As a result, the concentration of H₂ will increase.

(d) If the concentration of H₂O is decreased, the equilibrium will shift to replace the lost water. In this case, the equilibrium will shift to the left, favoring the reverse reaction. As a result, the equilibrium constant for the reaction (K) will decrease.

The equilibrium constant is a ratio of the concentrations of the products to the concentrations of the reactants at equilibrium. When the concentration of a reactant is decreased, the numerator of the ratio decreases, leading to a decrease in the equilibrium constant.

Learn more about chemical equilibrium at: https://brainly.com/question/16878977

#SPJ4

Complete question:

Consider the equilibrium CO (g) + H₂O(g) ⇄  CO₂(g) + H₂ (g).

(a) If the partial pressure of CO2 is increased, what happens to the partial pressure of H2? (b) If the partial pressure of CO is decreased, what happens to the partial pressure of CO2? (c) If the concentration of CO is increased, what happens to the concentra- tion of H2? (d) If the concentration of H2O is decreased, what happens to the equilibrium constant for the reaction?

Answer:

Electricity can be present in a static charge, while magnetism's presence is only felt when there are moving charges as a result of electricity. In simple words, electricity can exist without magnetism, but magnetism cannot exist without electricity.





HOPE THIS HELPS, HAVE A GREAT DAY!!~

Explanation:

Answer:

10 must be added

Explanation:

Answer:

2=2.28*10^5

3=3.98*10^3

4=5.76*10^3

Answer:

Ratio is 4:1

Explanation:

from graham's law of gaseous diffusion:

\({ \bf{ \frac{R _{A} }{R_{B} } = \sqrt{ \frac{M_{A} }{M_{B}} } }}\)

but Ra = 2Rb:

\({ \sf{ (\frac{2}{1} ) {}^{2} = \frac{M _{A}}{M _{B} } }} \\ \\ { \sf{\frac{M _{A}}{M _{B} } = \frac{4}{1} }} \\ \\ {M _{A}} : {M _{B} } = 4 :1\)

The molecule with the structure of NBr5 cannot exist because nitrogen does not have a low enough electronegativity to be the central atom of this molecule. The correct option is (D).

In the given molecule, nitrogen is the central atom and is bonded with three bromine atoms. Nitrogen has five valence electrons, and each bromine has seven valence electrons. To complete the octet of each atom, a total of 32 valence electrons are required.

However, if we try to draw the Lewis structure for this molecule, we find that it is not possible to complete the octets for all six atoms using only valence electrons.

Additionally, nitrogen is more electronegative than bromine, meaning it attracts electrons more strongly. Thus, it is unlikely for nitrogen to be a terminal atom in a molecule with a halogen like bromine. Therefore, nitrogen cannot be the central atom in a molecule with three bromine atoms, and such a molecule cannot exist. Option (D) is the correct answer.

To know more about Lewis structure refer here:

https://brainly.com/question/29422259#

#SPJ11


Complete Question:

Why can a molecule with the structure of NBr5  not exist? (A) Nitrogen only has two energy levels and is thus unable to expand its octet. (B) Bromine is much larger than nitrogen and cannot be a terminal atom in this molecule. (C) It is impossible to complete the octets for all six atoms using only valence electrons. (D) Nitrogen does not have a low enough electronegativity to be the central atom of this molecule.