how is unreacted t-pentyl alcohol removed in this experiment? look up the solubility of the alcohol and the alkyl halide in water.

The atom economy of method 1 is 17%

Titanium is a valuable and expensive metal with some unique properties that make it suitable for special purposes.

Titanium is the perfect material for marine and aerospace applications because it has high corrosion resistance, especially in saltwater settings. Additionally biocompatible, titanium does not react with living tissue.

We know that the formula for atom economy is;

Atom economy(%) = Mass of desired product/Mass of reactants * 100/1

Mass of desired product = 48 g

Mass of reactants = 80 + 142 + 12 + 48 = 282 g

Atom economy (%) = 48/282 * 100/1

= 17%

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Answer:

Plant breeding

Plant breeding is the science of changing the traits of plants in order to produce desired characteristics. It has been used to improve the quality of nutrition in products for humans and animals.

Explanation:

Answer:

The acceleration of a moving object can be calculated by dividing the change in velocity by the change in TIME

Explanation:

Took the practice

Answer:

See below

Explanation:

See the attached diagram which will answer a lot of your posted questions

Answer: Potential energy: E p = m * g * h, where m = 0.10 kg, g = 9.81 m/s², h = 1.0 m; E p = 0.10 kg * 9.81 m/s² * 1.0 m = 0.981 J ≈ 0.98 J Answer: C) 0.98 J

Explanation: Suppose all of the apples have a mass of 0.10 kg. if one of the apples in the bowl (c) is 1.0 meter above the ground, what is its potential energy? 0.10 j 9.8 j 0.98 j 1.0 j

Answer:

the answer is C, 0.98 J

Explanation:

hope this helps :)

Plants have cellulose-based cell walls, eukaryotic cells with large central vacuoles, and plastids such chloroplasts and chromoplasts. Therefore, the Graph is Represented by Cell Wall Structure Option D.

Parenchymal, collenchymal, and sclerenchymal cells are three different types of plant cells. The structure and function of the three categories vary.

Understanding the structure of the fungi's hard cell wall, which is necessary for their survival, may help researchers create novel antifungal medications. This wall encourages and presses the fungus to flourish without changing its properties.

The function of the cell walls of many protists, bacteria, and plants is similar to that of the fungal cell walls. In hypotonic situations, they stop cells from bursting, but in hypertonic ones, they can't stop cells from dying. A degree of physical environmental protection is also offered by these cell walls, which differ from plant cell walls in that they are made of cellulose in plants, as opposed to chitin in fungal cell walls.

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Hydrogen bonds are a type of bond or force that has similar binding strength to ionic bond interactions in aqueous solutions. Hence, the correct answer is B.

Both ionic and hydrogen bonds are electrostatic interactions, which means they are due to the attraction or repulsion of opposite charges. Ionic bonds are formed between positively and negatively charged ions, while hydrogen bonds are formed between a hydrogen atom that is covalently bonded to an electronegative atom and another electronegative atom. The strength of these bonds is determined by the magnitude of the charges involved and the distance between them. In aqueous solutions, the strength of hydrogen bonds is similar to that of ionic bonds because the charges involved are similar and the distances are also similar.

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Answer:

The octet rule refers to the tendency of atoms to prefer to have eight electrons in the valence shell. When atoms have fewer than eight electrons, they tend to react and form more stable compounds. Atoms will react to get in the most stable state possible.

Explanation:

hope it helps

I believe it’s physical property because there is no chemical reaction to an unlit match‍♀️

Answer:

133.333333333 cm^3

Explanation:

Volume = Mass/Density

1) Option 3. Electrons. The type of subatomic particle that most directly determines the chemical reactivity of an atom is electrons.

Electrons are negatively charged particles that occupy the outermost energy level, or valence shell, of an atom. The number of electrons in this valence shell, as well as the arrangement of these electrons, determines the chemical properties of an atom and its reactivity. For example, an atom that has a full valence shell, with 8 electrons in its outer energy level, is considered to be unreactive and unlikely to form chemical bonds. On the other hand, an atom with a partially filled valence shell, such as carbon, nitrogen, or oxygen, is likely to participate in chemical reactions and form bonds with other atoms.

2) carbon (atomic number 6, atomic mass 12) usually makes 4 covalent bonds in organic molecules

Carbon, with atomic number 6 and atomic mass 12, usually forms 4 covalent bonds in organic molecules. This is due to the presence of 4 valence electrons in the outermost shell of the carbon atom. In covalent bonding, atoms share electrons to form a bond and complete their outermost electron shell. Carbon can bond with other elements such as hydrogen, oxygen, nitrogen, etc. to form complex organic molecules such as carbohydrates, lipids, proteins, etc. The ability of carbon to form multiple covalent bonds with other atoms is what makes it the backbone of all living organisms and the central component of organic chemistry. The number of covalent bonds an atom can form is directly related to the number of valence electrons it has, which in turn determines its chemical reactivity.

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Answer:

\(\lambda = 9.376*10^{-8} m\)

Explanation:

From the question we are told that:

 \(n=6level\)

Generally the equation for Energy is mathematically given by

 \(E=\frac{hc}{\lambda}\)

Since

Energy difference will be maximum when electron return to ground state

And Shortest wavelength is emitted when  there is largest energy difference

Therefore

 \(1/\lambda = R* (\frac{1}{nf^2} - \frac{1}{ni^2})\)

Where

 \(R=Rydberg\ constant\)

 \(R = 1.097*10^7\)

Therefore

 \(1/\lambda = 1.097*10^7* ((\frac{1}{1^2} - \frac{1}{6^2})\)

  \(\lambda = 9.376*10^{-8} m\)

Answer:

0.694 cents per second

Explanation:

25x100=2500 cents per hour, 2500/60 = 41.67 per minute and 41.67/60=0.694 cents per second

Answer:

3,048 minutes

Explanation:

762 divided by 5

that number times 20

The time required for a physics teacher to jog continuously and REALLY wanted to get there will be 50 hours and 48 minutes.

The distance covered by the particle or the body in an hour is called speed. It is a scalar quantity. It is the ratio of distance to time.

We know that the speed formula

Speed = Distance/Time

It is 762 miles from here to Chicago. An obese physics teacher jogs at a rate of 5.0 miles every 20.0 minutes.

Then the speed of the physics teacher will be

Speed = 5 / (20 / 60)

Speed = 15 miles per hour

The time required for a physics teacher to jog continuously and REALLY wanted to get there will be

15 = 762 / T

T = 762 / 15

T = 50.8 hours

T = 50 hours and 48 minutes

The time required for a physics teacher to jog continuously and REALLY wanted to get there will be 50 hours and 48 minutes.

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The theoretical yield of Fe2(SO4)3 if 20.00 g of FePO4 reacts with an excess of Na2SO4 is 26.52g.

A chemical equation is an expression that represent the chemical reaction between two or more substances. It consists of the chemical formulas of the reactants in and the products along with the physics state of the reactants and the products solid liquid gas etc. And the symbol that denoted the type of reaction that is talking please I'll eat you double arrow of the film visible reaction the number of the atoms of each element in the reactants and products must be the same on the both side of the equation.

1) Chemical equation:

2FePO4 + 3Na2SO4 → Fe2(SO4)3 + 2Na3PO4

2) Theoretical molarity ratios:

2 mol FePO4 : 3 mol Na2SO4 : 1 mol Fe2(SO4)3 : 2 mol Na3PO4

3) Convert 20.00 g of FePO4 into number of moles

number of moles = mass in grams / molar mass

molar mass of FePO4 = 150.82 g/mol

numer of moles = 20.00 g / 150.82 g/mol = 0.1326 mol FePO4

4) Proportionality

1 mol Fe2(SO4)3                x
----------------------- =  ------------------------
2 mol FePO4           0.1326 mol FePO4

Solve for x:

x = (0.1326 / 2) * 1 mol Fe2(SO4)3 = 0.0663 mol Fe2(SO4)3

5) Convert 0.0663 mol Fe2(SO4)3 into grams

mass in grams = number of moles * molar mass

molar mass Fe2(SO4)3 = 399.88 g/mol

mass = 0.0663 mol * 399.88 g/mol = 26.51 g

Depending on the numbers of the decimal to digits used by one or otherwise you might obtained 26.52 instead 26.51, that's differences does not count.

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Among hydrogen bonds, dipole forces, dispersion forces, and ionic bonds, the weakest bond is: A. hydrogen bonds.

A chemical bond is defined as the forces of attraction that are existing between ions, crystals, atoms or molecules and they are mainly responsible for the formation of chemical compounds.

Hence, a chemical bond refers to a force holding atoms together and binding ions, crystals, or molecules together, in order to form a chemical compound.

Typically, there are three main types of chemical bonds and these are:

Hydrogen bond can be defined as a weak chemical bond existing between a partially positively charged hydrogen atom and an electronegative chemical atom.

A hydrogen bond has the strongest intermolecular force of attractions, but it is weaker than an ionic bond or covalent bond.

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Answer: 0.45 moles of \(H_2O\) will be produced from 0.15 moles of propanol.

Explanation:

The balanced chemical reaction is:

\(2C_3H_6O+8O_2\rightarrow 6CO_2+6H_2O\)

\(C_3H_6O\) is the limiting reagent as it limits the formation of product and \(O_2\) is the excess reagent.

According to stoichiometry :

2 moles of \(C_3H_6O\)produces = 6 moles of \(H_2O\)

Thus 0.15 moles of \(V\) will produce=\(\frac{6}{2}\times 0.15=0.45moles\)  of \(H_2O\)

Thus 0.45 moles of \(H_2O\) will be produced from 0.15 moles of propanol.

Answer:

GOT YOU

Explanation:

Jotun (pollinator)

Norse(decomposer)

Its a point and click adventure game. Where you only have specific actions you can do with your mouse. The basic options are Inspect for notes or Pollinate pollinate the right plants to escape. Your goal and how to win is go through each level picking up the plants to pollinate leave the level. The only way to lose is if you are unable to find the right plants by a set amount of time. The story is your wife has been taken prisoner by Norse and you are alerted by this from a note. You go to a location and find a tower once you walk in the doors shut behind you and a screen appears saying "Get out of the room and to the top of the tower in an hour or she dies. Jotun escapes and gets to the top of the tower to find out his wife died long ago and Norse has been using her for food.

We can conclude as chlorine is the excess reactant and potassium bromide is the solute. Just 31.3 g of KCl, the mass produced from solute, can be made by 50.0 g of chlorine & 50.0 grams of potassium bromide.

The substance which is present when a chemical reaction first begins is known as a reactant. Products refer to the material or substances to a right of the arrow. A substance that's also present following a chemical reaction is known as a product.

In the first, sodium (Na) and chlorine (Cl) are the reactants, and the finished product being sodium chloride, called table salt (NaCl N a C l ).

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Answer:

1. D 2.. A 3. C 4. B

Explanation:

just took the quiz

We can classify each rock as intrusive or extrusive and basaltic or granitic as follows; Rock A - Extrusive, Basaltic, Rock B - Intrusive, Granitic, Rock C - Extrusive, Basaltic, and Rock D - Extrusive, Basaltic.

Rock A - Extrusive, Basaltic

Rock A is described as having dark-colored large grains, which indicates a fine-grained texture, typical of extrusive rocks. The presence of dark-colored large grains suggests a basaltic composition.

Rock B - Intrusive, Granitic

Rock B is described as having large crystals and a high percentage of silica, which suggests a coarse-grained texture, typical of intrusive rocks. The high silica content and large crystals indicate a granitic composition.

Rock C - Extrusive, Basaltic

Rock C is described as having a fine-grained texture and being light-colored, which are characteristic features of extrusive rocks. The fine-grained texture suggests a rapid cooling, typical of extrusive rocks, and the light color is indicative of a basaltic composition.

Rock D - Extrusive, Basaltic

Rock D is described as being from the Hawaiian volcano area and having no visible crystals. This indicates a glassy texture, typical of rapidly cooled extrusive rocks. The origin from a volcanic area and glassy texture suggest a basaltic composition.

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Answer:

Saturated solution = 180 gram

Explanation:

Given:

Solubility of Z = 60 g / 100 g water

Given temperature =  20°C

Amount of water = 300 grams

Find:

Saturated solution

Computation:

Saturated solution = [Solubility of Z] × Amount of water

Saturated solution = [60 g / 100 g] × 300 grams

Saturated solution = [0.6] × 300 grams

Saturated solution = 180 gram

Answer: what materials transmits the most light waves?

Explanation:

the milliliters of 6.72 M hydrobromic acid solution required to prepare 4.50 L of 0.600 M are 400 mL.

To find the milliliters of 6.72 M hydrobromic acid solution that should be used to prepare 4.50 L of 0.600 M, we need to use the formula shown below:  `M₁V₁ = M₂V₂

`where `M₁` = initial concentration of the solution in mol/L `V₁` = volume of the solution in L `M₂` = final concentration of the solution in mol/L `V₂` = final volume of the solution in L

Given values are:

M₁ = 6.72

MV₁ = ?

M₂ = 0.600

MV₂ = 4.50 L

Substitute the values in the formula:

M₁V₁ = M₂V₂`6.72 M * V₁ = 0.600 M * 4.50 L

`Divide both sides by 6.72 M to get V₁ on one side: `V₁ = (0.600 M * 4.50 L) / 6.72 M`V₁ = 0.4 L = 400 mL

Therefore, the milliliters of 6.72 M hydrobromic acid solution required to prepare 4.50 L of 0.600 M are 400 mL.

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Answer: C) 1.6

Explanation: I got it right

Yes, that is correct. A data set is a collection of patient data that provides evidence of a potential health issue.

These data points can include a patient's symptoms, medical history, lab results, imaging studies, and other relevant information that healthcare professionals can use to diagnose and treat a patient's health condition. It is essential to collect and analyze data carefully to make informed decisions about patient care and improve health outcomes.

A data cluster is a collection of related patient information or cues that indicate the presence of a potential health problem. By analyzing these data points, healthcare professionals can identify trends and patterns that help in diagnosing and addressing the patient's needs effectively.

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A data is a grouping of patient data or cues that point to the existence of a patient health problem.

The definition of a data set in healthcare. In this context, a data set refers to a collection of patient information that is used to identify patterns or indicators of a health problem.  This involves analyzing and organizing relevant information, which can help healthcare professionals identify patterns and trends, ultimately leading to accurate diagnoses and effective treatment plans.

These data sets may include a range of information, such as demographic data, clinical observations, lab results, and other relevant patient data. By analyzing this information, healthcare professionals can identify potential health problems and develop targeted interventions to address them. So, in short, a data set is a collection of patient data or cues that can help healthcare providers identify and address health problems.

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Answer:

Explanation:

if the side lengths of a triangle are equal then the angles opposite to those sides are equal . This is a case of an isosceles triangle .

And if all the sides of a triangle are equal then all the angles of a triangle will be equal . This is a case of an equilateral triangle.

Answer:

Proton (p for positive): Positive +1 charge, relative mass of 1

Neutron (sounds like neutral): no charge, relative mass of 1

Electron (sounds like electric): negative charge, relative mass of 0.0005

Answer:

C

Explanation:

because they are stressed

Answer:A. Water carbon dioxide sunlight → oxygen glucose

Explanation: