sn1 reactions where there is only one stereocenter and the leaving group is attached to that stereocenter will produce products racemization cannot be determined inversion retention

Answer:

You should get the catalyst back already.

Explanation:

A catalyst shouldn't be used up during a chemical reaction. It is used to speed up a reaction, but it shouldn't disappear/be used up by a chemical reaction.

To determine the number of moles of the gaseous organic compound, we can use the ideal gas law equation: PV = nRT, where P is the pressure, V is the volume, n is the number of moles, R is the gas constant, and T is the temperature.

First, we need to convert the density to mass per volume. The density of the gas is given as 340g/L. Therefore, the mass of 1 L of the gas is 340 g.

Next, we need to use the ideal gas law to calculate the number of moles. We know that the pressure is 1.7 atm, the temperature is 45°C (which is 318 K), and the volume can be calculated using the density and the molar mass of the compound. The molar mass can be determined from the molecular formula of the compound.

Assuming the compound is a hydrocarbon, we can use an average molar mass of 28. Thus, the volume of 1 mole of the gas can be calculated as follows:

V = (molar mass/density) × 1000 ml/L = (28/340) × 1000 = 82.35 ml/mol

Using the ideal gas law equation and plugging in the given values, we get:

n = (PV) / (RT) = (1.7 atm × 82.35 ml) / (0.0821 L atm/mol K ×318 K) = 0.839 mol

Therefore, the number of moles of the gaseous organic compound is 0.839 mol

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Answer:

17 dozens

Explanation:

204 divided by 12 equals 17 and to check your work multiply 17 by 12 and you get 204.

You most likely have such a Gram-positive infection if the organism can use sodium citrate as its only source of carbon and produces acetoin carbinol in the broth.

A little amount of sodium is needed by the human body to convey nerve signals, contract and relieve muscle, and keep the right ratio of water & minerals. We are thought to require 500 sodium mg everyday for these essential processes.

Bananas are a crucial part of heart-healthy diets as DASH (Dietary Approaches to Decrease Hypertension), which aims for roughly 4,700 mg of dietary potassium daily and are packed with potassium, fiber, and low sodium.

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Answer:

B- electrons, A- periods, B- groups

Explanation:

Answer:

a) 4

b) 3

c) 1

d) 3

e) 4

f) 0
g) 5

h) 3

i) 3

j) 4

50 students has 2.

Hope that helps

Answer:Question

Select the correct answer. Sami was blowing soap bubbles in his room where the temperature was 23 °C and the pressure was constant. He blew a soup bubble of volume 45 mL. The bubble suddenly escaped from the window where the temperature outside was 12 °C. Explain what will happen to the soap bubble? The volume of the soap bubble will increase to 46.73 mL. The volume of the soap bubble will increase to 86.25 mL. The volume of the soap bubble will decrease to 23.47 mL. The volume of the soap bubble will decrease to 43.33 mL.​

Explanation:

Question

Select the correct answer. Sami was blowing soap bubbles in his room where the temperature was 23 °C and the pressure was constant. He blew a soup bubble of volume 45 mL. The bubble suddenly escaped from the window where the temperature outside was 12 °C. Explain what will happen to the soap bubble? The volume of the soap bubble will increase to 46.73 mL. The volume of the soap bubble will increase to 86.25 mL. The volume of the soap bubble will decrease to 23.47 mL. The volume of the soap bubble will decrease to 43.33 mL.​

Answer:

2Mg(s) + O2(g) - >2MgO(s)

The option that correctly pairs a phase of matter with its description is :

( C ) Gas: particles have higher amounts of energy than when in the liquid phase

Gases are composed of losely parked molecules which are easily compressed into a container. Gases take the shape and the volume of the container in which they are put in, also gas molecules are the most mobile therefore they posses higher amounts of energy.

Hence we can conclude that Gas: particles have higher amounts of energy than when in the liquid phase.

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The reason acetyl chloride reacts with water almost violently is because it is a highly reactive compound due to the presence of the polar functional group, chloride.

Chloride ions are highly electronegative and have a strong affinity for water molecules. When acetyl chloride is added to water, the chloride ions attract water molecules, causing the reaction to occur quickly and violently.

On the other hand, benzoyl chloride has a longer carbon chain and is less reactive than acetyl chloride. This means that the reaction with water is slower and requires a higher energy input, such as warming and shaking the mixture. The longer carbon chain also makes it less polar than acetyl chloride, which means it is less attracted to water molecules and therefore does not react as violently.

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Answer: The balanced equation is \(2FeCl_{3} + 3MgO \rightarrow Fe_{2}O_{3} + 3MgCl_{2}\)

Explanation:

The given reaction equation is as follows.

\(FeCl_{3} + MgO \rightarrow Fe_{2}O_{3} + MgCl_{2}\)

Here, number of atoms present on reactant side are as follows.

Number of atoms on product side are as follows.

To balance this equation, multiply \(FeCl_{3}\) by 2 and MgO by 3 on reactant side. Also, multiply \(MgCl_{2}\) by 3 on product side. Therefore, the equation can be rewritten as follows.

\(2FeCl_{3} + 3MgO \rightarrow Fe_{2}O_{3} + 3MgCl_{2}\)

Hence, number of atoms on reactant side are as follows.

Number of atoms on product side are as follows.

Since, this equation contains same number of atoms on both reactant and product side. Therefore, this equation is now balanced equation.

Thus, we can conclude that the balanced equation is \(2FeCl_{3} + 3MgO \rightarrow Fe_{2}O_{3} + 3MgCl_{2}\).

Explanation:

hope the picture above helps u to understand:)

The APF for the rock salt crystal structure with rC/rA = 0.414 is 0.68.

The atomic packing factor (APF) of a crystal structure is a measure of how closely packed the atoms are in the crystal lattice. It is calculated by dividing the total volume of all the atoms in the cell by the volume of the cell itself.

In the rock salt (NaCl) structure, rC (the radius of the chloride ion) is 0.414 times the radius of the sodium ion, rA. The APF for this structure is calculated as follows:
APF = (4 * (rA + rC)^3) / (a^3)
Where a is the lattice parameter of the crystal (the length of the side of the unit cell).
Plugging in the values, we get:
APF = (4 * (1.88 + 0.75)^3) / (5.64^3)
APF = 0.68
Therefore, the APF for the rock salt crystal structure with rC/rA = 0.414 is 0.68.

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To use 14.61 ml of the stock solution to prepare 119 ml of NaCl solution with a concentration of 0.296 M.

To calculate the volume of the stock solution needed to prepare the desired NaCl solution, we can use the equation:
C1V1 = C2V2
where C1 is the concentration of the stock solution, V1 is the volume of the stock solution needed, C2 is the desired concentration of the final solution, and V2 is the desired volume of the final solution.
Given:
C1 = 2.41 M
C2 = 0.296 M
V2 = 119 ml

Substituting the values into the equation, we have:
(2.41 M)(V1) = (0.296 M)(119 ml)
Now, solve for V1:
V1 = (0.296 M)(119 ml) / (2.41 M)
V1 = 14.61 ml


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Answer:

20

Explanation:

The acceleration in this problem is 20

Acceleration is defined as the rate of change of velocity with time. When a force is exerted on a body and the net force is greater than zero, it begins to accelerate.

There are approximately \(1.424 x 10^24\) oxygen atoms in 52.06 g of carbon dioxide.

To calculate the number of oxygen atoms in 52.06 g of carbon dioxide, we want to initially decide the number of moles of carbon dioxide present, and afterward utilize the mole proportion between carbon dioxide and oxygen to compute the number of oxygen iotas.

The molar mass of carbon dioxide (CO2) is 44.01 g/mol, and that implies that 1 mole of CO2 contains 2 moles of oxygen iotas (since the nuclear proportion of O to C in CO2 is 2:1).

Thus, to calculate the quantity of moles of CO2 in 52.06 g, we partition the mass by the molar mass:

n = m/M = 52.06 g / 44.01 g/mol = 1.182 mol

Now, we can use the mole ratio between CO2 and O to find the number of oxygen atoms:

1.182 mol CO2 x 2 mol O / 1 mol \(CO2 x 6.022 x 10^{23}\) atoms/mol = \(1.424 x 10^{24}\)oxygen atoms

Therefore, there are approximately \(1.424 x 10^{24}\) oxygen atoms in 52.06 g of carbon dioxide.

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Answer:

it is twenty-one point four five zero one or 2.14501 × 101.

Explanation:

your welcome

Answer:

I think option (d) is right answer

Answer:

b. Fluorine (FI)

Explanation:

From the given choices, only fluorine wants to gain valence electrons while bonding.

This is because fluorine is the most electronegative specie from the given choices. An electronegative substance have a high tendency to attract electrons to itself in a bond.

Answer:

3.917 x 10 ^ 23

Explanation:

You just want to use dimensional analysis to solve. So first start with 122g of copper(II) nitrite, and divide by the molecular weight to get it into moles. Then you know that 1 mole = 6.022 x 10 ^23 molecules (Avogadro's Number) so multiply that by your current moles. A hint for these problems always convert what you were given to moles since it is easy to get to a lot of things through them. ** Use the molar mass/molecular weight for going from grams to moles or moles to grams and use Avogadro's number when going from moles to atoms/molecules or reverse.

Hope this helps!

The comparison of the Mileage (miles per gallon) of different vehicles, such as a car vs a truck or a car vs. SUV or perhaps a SUV vs. truck is shown.

Slide 1: Introduction

Title: Mileage Comparison of Different Vehicles

Subtitle: Energy Used and Released

Content:

This presentation compares the energy used and released for mileage of different types of vehicles.

The vehicles include a car, a truck, and an SUV.

The comparison is based on their fuel efficiency, which is measured in miles per gallon (MPG).

We will analyze the amount of energy used and released by each vehicle to understand their impact on the environment.

Slide 2: Fuel Efficiency of a Car

Title: Fuel Efficiency of a Car

Subtitle: Miles per Gallon (MPG)

Content:

A typical car has a fuel efficiency of around 25-30 MPG.

This means that for every gallon of gasoline, the car can travel up to 30 miles.

The amount of energy released by a car is directly proportional to the amount of fuel consumed.

A car that travels 30 miles using one gallon of gasoline releases less energy compared to a car that travels 25 miles using one gallon of gasoline.

Slide 3: Fuel Efficiency of a Truck

Title: Fuel Efficiency of a Truck

Subtitle: Miles per Gallon (MPG)

Content:

A typical truck has a fuel efficiency of around 15-20 MPG.

This means that for every gallon of gasoline, the truck can travel up to 20 miles.

The amount of energy released by a truck is more compared to a car due to its heavier weight and larger engine.

A truck that travels 20 miles using one gallon of gasoline releases more energy compared to a car that travels 30 miles using one gallon of gasoline.

Slide 4: Fuel Efficiency of an SUV

Title: Fuel Efficiency of an SUV

Subtitle: Miles per Gallon (MPG)

Content:

A typical SUV has a fuel efficiency of around 20-25 MPG.

This means that for every gallon of gasoline, the SUV can travel up to 25 miles.

The amount of energy released by an SUV is also more compared to a car due to its larger size and weight.

An SUV that travels 25 miles using one gallon of gasoline releases more energy compared to a car that travels 30 miles using one gallon of gasoline.

Slide 5: Environmental Impact

Title: Environmental Impact

Subtitle: Energy Used and Released

Content:

The energy used and released by a vehicle has a direct impact on the environment.

The more energy released, the more greenhouse gases are emitted into the atmosphere.

Greenhouse gases contribute to global warming and climate change.

Vehicles with lower fuel efficiency have a higher environmental impact compared to those with higher fuel efficiency.

Therefore, it is important to choose a vehicle with good fuel efficiency to reduce our carbon footprint and help protect the environment.

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Answer:

1,103.47 milliliters

Explanation:

The total percentage of alcohol from solution A and solution B is 29. In a solution that is a mixture of solution A and B, the percentage of alcohol that would be contributed by solution A would be:--

                   11/29 x 100% = 37.93%

--while the percentage of alcohol that would be contributed by solution B would be:

               18/29 x 100 = 62.07%

Hence, if a mixture of A and B has 320 milliliters of alcohol, the amount of alcohol contributed by B would be:

                     320 x 62.07/100 =  198.624 milliliters

Now, remember that solution B is 18% alcohol. This means that the 18% alcohol content of solution B is 198.624 milliliters. Thus, the total volume of solution B would be:

                 198.624 x 100/18 = 1,103.47 milliliters.

Therefore, the total milliliters of solution B Amanda used would be 1,103.47.

Answer:

A physical scientist (PS) is a scholar in a natural science field, such as chemistry, physics, biology, geology, astronomy, and atmospheric/oceanic science. On the other hand, a mathematical scientist (M) is a scholar in a field of pure or applied mathematics. The main difference between these two sciences is that physical sciences primarily focus on understanding and describing the physical world while mathematical sciences are concerned with developing and applying mathematical models and theories. Additionally, physical scientists often rely on experiments, observations, and measurements to test their theories and understand the natural world, while mathematical scientists primarily rely on mathematical models, equations, and computational simulations. It is important to note that physical and mathematical sciences can be closely related and often overlap, but they are distinct disciplines with different approaches to problem-solving and knowledge production.

The compound you are referring to is called tri ammonium diphosphate-potassium. It is a chemical compound that was recently isolated from dog urine.

A compound refers to a substance that is composed of two or more different elements chemically bonded together. The combination of these elements creates a new substance with distinct properties and characteristics. Compounds can be formed through various chemical reactions, such as the sharing or transfer of electrons between atoms.

The elements in a compound are present in fixed proportions, giving compounds a consistent composition. The atoms within a compound are held together by chemical bonds, which can be covalent or ionic depending on the type of elements involved. Compounds play a crucial role in various aspects of everyday life. They can be found in nature, such as water (\(H_2O\)), carbon dioxide (\(CO_2\)), and table salt (NaCl).

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Answer:

Immune system

Explanation:

Rheumatoid arthritis is an autoimmune disease. Normally, your immune system helps protect your body from infection and disease. In rheumatoid arthritis, your immune system attacks healthy tissue in your joints. It can also cause medical problems with your heart, lungs, nerves, eyes and skin.

The mass of the cube of iron with a side length of 55.0 mm is approximately 1313.6125 grams.

To calculate the mass of a cube of iron, we need to know the density of iron and the length of one side of the cube. Given that the density of iron is 7.9 g/cm^3 and the length of one side of the cube is 55.0 mm, we can proceed with the calculation. First, we need to convert the length of one side from millimeters (mm) to centimeters (cm) since the density is given in grams per cubic centimeter. We divide 55.0 mm by 10 to obtain 5.5 cm.

Next, we can calculate the volume of the cube using the formula V = (side length)^3. Substituting the value of 5.5 cm into the formula, we get V = (5.5 cm)^3 = 166.375 cm^3. Finally, we can calculate the mass of the cube using the formula mass = density × volume. Substituting the values of density (7.9 g/cm^3) and volume (166.375 cm^3), we get mass = 7.9 g/cm^3 × 166.375 cm^3 = 1313.6125 g.

In summary, to calculate the mass of the iron cube, we convert the length from millimeters to centimeters, calculate the volume of the cube, and then multiply it by the density of iron. The resulting mass is approximately 1313.6125 grams.

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The acidity or alkalinity of a solution depends upon its hydronium ion concentration and hydroxide ion concentration. The pH scale is introduced by the scientist Sorensen. The pH at the equivalence point is 5.3.

The point at which the reaction is just completed in a titration, i.e., the stage at which the reacting solutions are used up in their exact stoichiometric proportions is called the equivalence point.

Here for the titration of a strong acid against the weak base, the equivalence point occurs not at pH 7, but at about pH 5.3. Perchloric acid is a strong base and triethylamine is a weak base, so its pH is in the range 3-7.

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Answer:

$28.5388

Explanation:

First you need to find the amount of money per day by doing 15,000,000/365

Then find the amount of money per hour by doing 41095.890411/24

Finally you find the amount per minute by doing 1712.32876713/60 to get 28.5388127855.

Round if necessary