Does temperature influence the effectiveness of a chemical sanitizer solution?.

Answer: it’s b)

Explanation: that’s the only difference that is listed

Answer:

I think it is B

Explanation:

Coefficient of C3H8O2 = 3

Coefficient of KMnO4 = 8

We are given that a reaction in which C3H8O2 reacts with KMnO4

We have to find the coefficient of each reactants in balanced reaction

3C3H8O2(aq) + 8KMnO4(aq) → 3C3H2O4K2(aq) + 8MnO2(aq) + 2KOH+8H2O

Coefficient is defined the constant value multiplied with a reactant in a reaction.

Coefficient of C3H8O2 = 3

Coefficient of KMnO4 = 8

Coefficient of C3H2O4K2 = 3

Coefficient of MnO2 = 8

Coefficient of H2O = 8

Coefficient of KOH = 2

Hence, Coefficient of C3H8O2 = 3 and coefficient of KMnO4 = 8

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The shielding effect is not influenced by electronic configuration because the shielding effect indicates a blockage in the attraction. Conversely, electronic configuration refers to the arrangement of electrons.

The shielding effect can be defined as 'blocking valence shell electron (e-) attraction', which is due to the shells located between the nucleus and the valence shells.

Conversely, electronic configuration refers to the differential arrangement of the e- in different energy levels around a given nucleus.

Electronic configurations are used to represent one or more e- moving independently in a given orbital, thereby evidencing how many e- an atom contains and how they are positioned in their corresponding shells.

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Answer:

A chemical element

Explanation:

A chemical element consists of only one type of atom.

Answer:=33.8 psi

Explanation:

Answer:

33.8007 (i think)

Explanation:

Answer:

i dont see the model bro

Explanation:

Answer:

The current model of the atom shows an atom that is mostly empty space. In the center is a small nucleus made of protons and neutrons.

Explanation:

The force occurs when the player kicks the ball is a contact force.

When the player kicks the ball, a force called a "contact force" occurs. This force is exerted by the player's foot on the ball, causing it to move forward.

b. Contact forces are forces that occur when two objects are in direct physical contact with each other. In this case, the player's foot is in contact with the ball, so the force exerted is a contact force.

c. As the ball soars through the air, a force called "gravitational force" is acting on the ball. This force is pulling the ball downwards towards the ground.

d. Gravitational force is a "non-contact force". It is a force that does not require physical contact between two objects to occur.

e. The force that brings the ball back down to the ground is also the gravitational force. As the ball rises into the air, it loses speed and momentum, and eventually the force of gravity overcomes the ball's upward motion, causing it to fall back down to the ground.

f. As mentioned earlier, the force that brings the ball back down to the ground is the gravitational force, which is a non-contact force.

Therefore, the force that brings the ball back down to the ground is also a non-contact force.

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Answer:

The atoms present at the beginning of the reaction is equal to the atoms present at the end of the reaction. This is because matter can neither be created nor be destroyed in an ordinary chemical reaction.

Explanation:

During photosynthesis, 6 molecules of water react with 6 molecules of carbon dioxide to form 1 molecule of glucose and 6 molecules of oxygen. The equation for the photosynthesis reaction is

6CO2 + 6H2O --> C6H12O6 + 6O2

At the beginning of the reaction, there is 6 carbon atoms, 18 oxygen atoms and 12 hydrogen atoms while at the end of the reaction, there is 6 carbon atoms, 12 hydrogen atoms and 18 oxygen atoms.  This is because according to the law of conservation of mass and matter, it can neither be created nor be destroyed in an ordinary chemical reaction. The number of atoms present at the beginning of the reaction must be equal to the number of atoms present at the end of the reaction.

The following formula can be used to determine how many moles of KC1 are present in 1250 mL of 0.75 M KC1: Molarity (M) is equal to the moles of solute per litre of solution.

In this instance, the volume of the solution is 1250 mL, and the molarity of KC1 is 0.75 M. The following formula can be used to determine how many moles of KC1 are present in 1250 mL of 0.75 M KC1: Molarity (M) times the number of litres in the solution equals 0.75 M times (1250 mL/1000 mL/L) or 0.9375 moles of KC1.

Consequently, 0.9375 moles of KC1 are present in 1250 mL of 0.75 M KC1. It is significant to remember that a solution's molarity is a measurement of the amount of a solute present in a given volume of the solution.

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Explanation:

Greenhouse gases are gases in Earth's atmosphere that trap heat. They let sunlight pass through the atmosphere, but they prevent the heat that the sunlight brings from leaving the atmosphere.

Answer: B

Explanation: Genetics has to do with genes, which is appearance, which is hereditary from the parent :)

The carboxylic acid required to create the ester with a grape scent is heptanoic acid.

Numerous carboxylic acids are odorless liquids with color. All of the carboxylic acids with five to ten carbon atoms smell "goaty" (explaining the odor of Limburger cheese).

Because of their weak intermolecular interactions, esters have a distinctive smell. This stimulates ester molecules to enter the gas phase and hit the nose. Esters float on water because they are not soluble in water, which makes it simple for them to mix in the gas phase. They therefore smell more potent in water.

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To calculate the percentage yield, we need to determine the theoretical yield. We'll need to balance the chemical equation in this situation.Methane + Oxygen → Carbon Dioxide + WaterCH4 + 2O2 → CO2 + 2H2OThe stoichiometry of the equation is 1:2:1:2.

This means that one methane molecule requires two oxygen molecules to form one carbon dioxide molecule and two water molecules. We'll use the balanced chemical equation to figure out the theoretical yield.The molar mass of methane (CH4) is 16.05 g/mol. To calculate the theoretical yield, we'll need to calculate the number of moles in 5.00 g of methane.(5.00 g CH4)/(16.05 g/mol CH4) = 0.311 mol CH4We know that 1 mol CH4 reacts with 2 mol H2O to produce 2 mol H2O.

Since the number of moles of H2O produced is proportional to the number of moles of CH4 consumed, we can calculate the theoretical yield of H2O as follows:0.311 mol CH4 × (2 mol H2O / 1 mol CH4) × (18.02 g/mol H2O) = 11.0 g H2OThe theoretical yield of H2O is 11.0 g, based on the balanced chemical equation.The percent yield can now be calculated using the formula:% yield = (actual yield / theoretical yield) × 100% yield = (6.10 g / 11.0 g) × 100% yield = 55.5%Therefore, the percent yield is 55.5%.

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An example of a physiological adaptation is the sharp serrated teeth of a shark.

This adaptation is a physical characteristic of the shark that helps it to capture and eat its prey more effectively. The sharp teeth, combined with the shark's strong jaw muscles and hydrodynamic body shape, make it an efficient predator in the ocean. This adaptation has evolved over time through the process of natural selection, where individuals with traits that improve their chances of survival and reproduction are more likely to pass on their genes to the next generation. The sharp teeth of the shark are a good example of how adaptations can emerge and be maintained over time through the process of evolution, helping species to better survive and thrive in their environment.

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The ground-state electronic configuration of sulfur can be represented using an atomic orbital diagram. In this diagram, each electron in sulfur's atomic structure is placed in its corresponding orbital.

Sulfur has 16 electrons, which occupy the following orbitals in its ground state:

1s2 2s2 2p6 3s2 3p4

Here, the "1s2" and "2s2" orbitals are fully filled with 2 electrons each. The "2p6" orbital is also completely filled, with 6 electrons distributed among its 3 sub-orbitals (2px, 2py, 2pz). The remaining 2 electrons are located in the "3s2" orbital, while the last 4 electrons fill the "3p" sub-shell, with each of the three 3p orbitals holding one electron and the fourth electron filling a 3px orbital.

So, the completed atomic orbital diagram for sulfur's ground-state electronic configuration would show two electrons in the 1s orbital, two electrons in the 2s orbital, six electrons in the 2p sub-shell (two electrons in each of the three 2p orbitals), two electrons in the 3s orbital, and four electrons in the 3p sub-shell (one electron in each of the 3px, 3py, and 3pz orbitals, and one additional electron in one of these orbitals).

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Answer:

the molecules move more quickly and their average kinetic energy decreases :D

Explanation:

The percent by mass of acetic acid in the vinegar is 2.33%.

Below are the steps to solve the given problem using the data table given below:

Step 1: Calculate the mass of the vinegar. Given,Mass of flask and vinegar solution- 25.17gMass of flask- 15.12gMass of vinegar solution = Mass of flask and vinegar solution - Mass of flask= 25.17 g - 15.12 g= 10.05 g

Step 2: Calculate the moles of NaOH used in the titration.Molarity of NaOH solution is 0.1 M.Moles of NaOH = Molarity × Volume of NaOH usedMoles of NaOH = 0.1 M × 39.00 mL (since the initial volume of NaOH is 0.00 mL)Moles of NaOH = 0.0039 moles

Step 3: Determine the moles of acetic acid used in the reaction.The balanced chemical equation for the reaction between NaOH and acetic acid (the main component of vinegar) is given below:CH3COOH + NaOH → CH3COONa + H2OMoles of NaOH = Moles of CH3COOH (since they react in a 1:1 ratio)Moles of CH3COOH = 0.0039 moles

Step 4: Calculate the mass of acetic acid used in the reaction.Molar mass of acetic acid is 60.05 g/mol.Mass of CH3COOH = Moles of CH3COOH × Molar mass of CH3COOH= 0.0039 moles × 60.05 g/mol= 0.234 gStep 5: Calculate the percent by mass of acetic acid in the vinegar.Percent by mass of acetic acid = (Mass of CH3COOH / Mass of vinegar solution) × 100%= (0.234 g / 10.05 g) × 100%= 2.33%.

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A piece of silver with a mass of 6.88 kg is placed in fresh water (r₂ = 1.00 g/cm³). C. 1.11 g/cm³

Generally, The density of the silver is calculated using the formula:

density = mass/volume. The mass of the silver is 6.88 kg and the apparent weight of the silver is 61.0 N.

The volume is calculated by dividing the apparent weight by the density of the water (1.00 g/cm³).

The volume of the silver is then

61.0 N / 1.00 g/cm³ = 61.0 cm³.

Therefore, the density of the silver is

6.88 kg / 61.0 cm³ = 1.11 g/cm³.

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To determine the pH of a solution using a pH indicator paper, you need a color chart or a color scale that corresponds to different pH values.

This color chart or scale is used to compare the color of the pH indicator paper after it has been immersed in the solution. The pH indicator paper is impregnated with a universal pH indicator, which is a chemical compound that changes color depending on the acidity or alkalinity of the solution.

The indicator undergoes a chemical reaction with the hydrogen ions (H+) or hydroxide ions (OH-) present in the solution, resulting in a color change.

By comparing the color of the pH indicator paper with the color chart or scale, you can determine the approximate pH of the solution. The color chart usually provides a range of colors corresponding to different pH values, allowing you to match the observed color to the nearest pH value.

In the hypothesis mentioned, the aim is to calibrate a cabbage pH indicator using the pH values obtained from a universal pH indicator. Therefore, in addition to the pH indicator paper and color chart, you would also need a range of solutions with known pH values to establish a calibration curve specific to the cabbage pH indicator.

In summary, to determine the pH of a solution using a pH indicator paper, you need a color chart or scale that correlates the observed color of the pH indicator paper with different pH values. This chart or scale serves as a reference for interpreting the color change and determining the pH of the solution.

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Answer: COLOR KEY

Explanation: CS

You will need to use 1.56 mL of the 12.0 M HCl stock solution to prepare 150.0 mL of 0.125 M HCl arrive at this answer,  the equation M1V1 = M2V2, where M1 is the initial concentration of the stock solution, V1 is the volume of the stock solution used, M2 is the final desired concentration, and V2 is the final volume of the diluted solution.

In this case, you want to prepare 150.0 mL of 0.125 M HCl from a 12.0 M HCl stock solution. Therefore, your equation would be 12.0 M x V1 = 0.125 M x 150.0 mL  Solving for V1, you get V1 = (0.125 M x 150.0 mL) / 12.0 M  V1 = 1.56 mL Therefore, you will need to use 1.56 mL of the 12.0 M HCl stock solution to prepare 150.0 mL of 0.125 M HCl.  you'll need 1.56 mL of 12.0 M HCl to prepare 150.0 mL of 0.125 M HCl.


C1 is the concentration of the stock solution (12.0 M), V1 is the volume of the stock solution needed, C2 is the desired concentration (0.125 M), and V2 is the desired volume (150.0 mL). 1. Rearrange the equation to solve for V1
V1 = (C2V2) / C1 2. Plug in the given values: V1 = (0.125 M * 150.0 mL) / 12.0 M 3. Calculate the result: V1 = 1.5625 mL So, you will need approximately 1.56 mL of 12.0 M HCl to prepare 150.0 mL of 0.125 M HCl.

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Answer:

Both bacteria and fungi rely on living organisms to reproduce and survive.

Most bacteria and fungi are harmless and may be beneficial to other

living things. So, the correct option is (A).

Bacteria and fungi are two types of organisms that belong to different class of organisms while they are prokaryotic and eukaryotic in nature respectively. They are present in various life forms like parasitic (bacteria), saprophytic (fungi) etc. They are harmless in nature and can be beneficial to other living things as well.

They have mutual relationships with other living organisms, which are beneficial to both.

For example, some species of bacteria help fix nitrogen in the root nodules of leguminous plants, while fungi form a mutualistic relationship with algae called lichens where they benefit each other in one way or another.

Thus, most bacteria and fungi are harmless and may be beneficial to other living things. So, the correct option is (A).

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Answer:

When you look only at the “before” and “after” of a change, you are considering it as static change. In this perspective, you look at change as a one-dimensional shift. A situation or object was one way, and now it is different because some outside force acted on it to make it change.

Explanation:

Its the def

Answer:

2C3H8S +13O2 =6CO2+8H20+2SO3

Answer:

ningwa answered it

Explanation:

get from (4,1) to (2,9) go up 8 and over 2 left (-2) - (4 - 2, 1 + 8), do this again (2 - 2, 9+8) and end up at (0,17) which is the y how do you change 7x+3y=3 into slope intercept form.

Answer:

ffff

Explanation:

Answer:

Number 2 is Direction

Explanation:

The old answer for number four was incorrect

I apologize for the inconvenience but I do not have an answer that fits in the lines for number 4

Answer

moles = 5.81 mol

Explanation

Given:

Volume = 144 L

AT SATP

1 mole = 24.4651 L

Solution:

1 mole = 24.4651 L

x mole = 144 L

x = 144/24.4651

x = 5.8 mol

The reaction will begin to favor products at a temperature of 38.7 K in this experiment.

ΔG. ΔG = ΔH – TΔS, where ΔH is the change in enthalpy, T is temperature, and ΔS is the change in entropy.

For this particular reaction, the change in enthalpy is 10.37 kJ/mol and the change in entropy is 268 J/mol K. Therefore, the Gibbs free energy is -10.14 kJ/mol.

This means that the reaction will begin to favor products when the temperature is high enough to offset the negative change in Gibbs's free energy.

To calculate the temperature at which the reaction will favor products, we use the equation

ΔG = 0 = ΔH – TΔS.

Solving for T, we get

T = ΔH/ΔS = 10.37 kJ/mol/268 J/mol K = 38.7 K.

Therefore, the reaction will begin to favor products at a temperature of 38.7 K.

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