Rocks that undergo weathering and emulsification result in which type of rock?



Igneous


Metamorphic


Sedimentary

Answer: 1. The empirical formula is \(PNF_2\)  

2. The molecular formula is \(PNF_2\)

Explanation:

If percentage are given then we are taking total mass is 100 grams.

So, the mass of each element is equal to the percentage given.

Mass of P = 37.32 g

Mass of N = 16.88 g

Mass of F = 45.79 g

Step 1 : convert given masses into moles.

Moles of P =\(\frac{\text{ given mass of P}}{\text{ molar mass of P}}= \frac{37.32g}{31g/mole}=1.20moles\)

Moles of N =\(\frac{\text{ given mass of N}}{\text{ molar mass of N}}= \frac{16.88g}{14g/mole}=1.20moles\)

Moles of F =\(\frac{\text{ given mass of F}}{\text{ molar mass of F}}= \frac{45.79g}{19g/mole}=2.41moles\)

Step 2 : For the mole ratio, divide each value of moles by the smallest number of moles calculated.

For P = \(\frac{1.20}{1.20}=1\)

For N = \(\frac{1.20}{1.20}=1\)

For F =\(\frac{2.41}{1.20}=2\)

The ratio of P: N: F= 1: 1: 2  

Hence the empirical formula is \(PNF_2\)

The empirical weight of \(PNF_2\)= 1(31)+1(14)+2(19)= 82.98 g.

The molecular weight = 82.98 g/mole

Now we have to calculate the molecular formula.

\(n=\frac{\text{Molecular weight}}{\text{Equivalent weight}}=\frac{82.98}{82.98}=1\)

The molecular formula will be=\(1\times PNF_2=PNF_2\)

Answer:

Why did the fire snake weigh a little bit less than the ingredients it came from? When Zoe weighs the ingredients (sugar and baking soda), it weighs 25 grams in total. When she weighs the “snake” it weighs 23 grams. This is because some carbon dioxide gas produced during the chemical reaction escapes into the air

Brainliest

maybe

Answer:

I think a is the best answer. but really I can not confirm that.sorry for that.

The experimental methods which cannot be used to measure the rate of a chemical reaction is: B. measurement of the equilibrium concentration of an acidic product via titration with a strong base.

A chemical reaction can be defined as a chemical process which involves the continuous transformation (rearrangement) of the ionic, atomic or molecular structure of a chemical element by breaking down and forming chemical bonds, so as to produce a new chemical compound.

The rate of a reaction is also known as reaction rate and it refers to the speed at a which the reactants in a chemical reaction are transformed into products. Some of the factors that affect the rate of a reaction are:

In Chemistry, an experimental method which cannot be used to measure the rate of a chemical reaction is the measurement of the equilibrium concentration of an acidic product by titrating it with a strong base because the concentration of product always remain the same.

Read more: https://brainly.com/question/18296054

The four lines observed in the visible emission spectrum of hydrogen gas tell us that (b) Only certain energies are allowed for the electron in a hydrogen atom.

The observed lines in the hydrogen spectrum correspond to specific energy transitions of the electron within the hydrogen atom. These transitions occur when the electron moves between different energy levels within the atom. Each line represents a specific energy difference between two energy levels, and the wavelengths of these lines correspond to different colors in the visible spectrum.

The observed spectral lines provide evidence for the quantized nature of energy levels in hydrogen. According to quantum mechanics, electrons in atoms can only occupy certain discrete energy levels. The emission lines in the hydrogen spectrum indicate that the electron in a hydrogen atom can only exist in specific energy states, and it transitions between these states by either emitting or absorbing energy in the form of photons. The other options in your statement are incorrect:

a. The hydrogen molecules they came from have the formula H4: The hydrogen spectrum is related to the behavior of individual hydrogen atoms, not hydrogen molecules. Hydrogen molecules (H2) have different energy levels and do not produce the observed spectral lines.

c. We could observe more lines if we had a stronger prism: The number and position of the spectral lines in the hydrogen spectrum are determined by the energy differences between the electron energy levels. The strength of the prism or the spectroscopic instrument does not affect the number of observed lines. However, a higher-resolution instrument may allow for more precise measurement of the wavelengths of the lines.

d. There are four electrons in an excited hydrogen atom: A hydrogen atom normally contains only one electron. The number of observed spectral lines does not provide information about the total number of electrons in the atom.

for more such questions on spectrum

https://brainly.com/question/11716353

#SPJ8

Answer:

It has one valence electron.

Explanation:

number of electrons in the last shell is number of valence electrons.

The major thermodynamic product of the reaction between C₅H₈ and HBr is the most stable product, which is usually the one with the lowest free energy. On the other hand, the major kinetic product is the product that is formed through a faster and less controlled reaction pathway.

This  thermodynamic product product is formed through a slower and more controlled process, which allows for the formation of stronger chemical bonds and results in a more stable final product.

This  kinetic product  is formed due to its lower activation energy, which makes it easier to form, but it may not necessarily be the most stable product.

In the case of C₅H₈ and HBr, the reaction can result in both thermodynamically and kinetically stable products, meaning that there can be multiple products formed, each with different stability properties. The thermodynamically stable product is the one with the lowest free energy, while the kinetically stable product is the one with the lower activation energy.

In summary, the major thermodynamic product of the reaction is the most stable product, while the major kinetic product is the product that is formed through a faster and less controlled reaction pathway. However, it is important to note that the exact products of the reaction can vary based on the reaction conditions and reactant concentrations.

To know more about kinetic products click on below link:

https://brainly.com/question/22616533#

#SPJ11

Complete question:

What are themajor thermodynamic and kinetic products of the reaction.

C₅H₈ + HBr (1 equivalent) ------> thermodynamically stable + Kinetically stable

Phosphatidylserine is a type of phospholipid that is mainly found in cell membranes. Its structure is made up of two fatty acid chains, a phosphate group, a serine molecule, and a glycerol molecule.

The fatty acid chains are hydrophobic, meaning they repel water, while the phosphate group and serine molecule are hydrophilic, meaning they attract water.

The glycerol molecule acts as a bridge that connects the two fatty acid chains to the phosphate group and serine molecule.
The structure of phosphatidylserine is important for its function in the cell membrane.

Because of the hydrophobic and hydrophilic components of its structure, phosphatidylserine is able to form a lipid bilayer, which is a barrier that separates the inside of the cell from the outside environment.

The hydrophilic heads of the phosphatidylserine molecules face outward and interact with water, while the hydrophobic tails face inward and repel water.
Phosphatidylserine also plays a role in cell signaling and apoptosis, which is programmed cell death.

It acts as a signaling molecule by binding to proteins that are involved in cellular pathways.

In addition, phosphatidylserine is translocated to the outer leaflet of the cell membrane during apoptosis, which signals to immune cells that the cell is ready to be removed.
In conclusion, the structure of phosphatidylserine is made up of two fatty acid chains, a phosphate group, a serine molecule, and a glycerol molecule. Its hydrophobic and hydrophilic components allow it to form a lipid bilayer in cell membranes, and it also plays a role in cell signaling and apoptosis.

For more such questions on Phosphatidylserine

https://brainly.com/question/16179573

#SPJ8

Answer:

1860 torr

Explanation:

In order to convert from kPa to torr, we are going to use the following conversion factor:

Now we multiply 248 kPa with this factor so that the kPa units cancel each other and only the torr units remain:

This means that the answer is 1860 torr.

Answer:

d=m/

Explanation:

d is density, m is mass, v is volume

Given: m =10.4g, v=12.2mL

substituting in equation,

d=10.4/ 12.2

d=0.8524g/mL

To learn more about density:

The density of the liquid is 0.852 g/mL.

To calculate the density of the liquid, we need to use the formula:

Density = Mass / Volume

Given that the mass of the liquid is 10.4 g and the volume is 12.2 mL, we can substitute these values into the formula:

Density = 10.4 g / 12.2 mL

Simplifying this expression, we find:

Density = 0.852 g/mL

Density is a physical property of a substance and is defined as the amount of mass per unit volume. In this case, the density tells us that for every milliliter of the liquid, there is 0.852 grams of mass. The units of grams per milliliter (g/mL) indicate that the density is a ratio of mass to volume.It is important to note that the density of a substance can vary with temperature, so this value is only valid under the conditions at which the measurement was made. Additionally, the density can provide valuable information about the identity of a substance, as different substances have different densities.

for such more questions on density

https://brainly.com/question/26364788

#SPJ8

The correct answer is "decendent." Embalming authorization may be given by the bailee, next of kin, or spouse, but not by the decedent.

The term "decedent" refers to the person who has died; they are unable to give consent for embalming or any other post-mortem procedures. According to legal and cultural customs, the choice to embalm is often taken by the designated representative, such as the bailee (person in charge of the body), next of kin, or spouse.

Hence, embalming authorization may be given by the bailee, next of kin, or spouse, but not by the decedent.

Learn more about embalming:https://brainly.com/question/30163437

#SPJ1

Answer:

342.3 g

Explanation:

From the question given above, the following data were obtained:

C = 12.011 g/mol

H = 1.00794 g/mol

O = 15.9994 g/mol

Molar mass of C₁₂H₂₂O₁₁ =?

C = 12 × 12.011 = 144.132 g

H = 22 × 1.00794 = 22.17468 g

O = 11 × 15.9994 = 175.9934 g

Total mass = 144.132 + 22.17468 + 175.9934

Total mass = 342.3 g

Answer:

80.685 feet/second

Explanation:

Answer: c) \(2\text{Na}_{3}\text{PO}_{4}+3\text{CaCl}_{2} \longrightarrow 6\text{NaCl}+\text{Ca}_{3}\text{(PO}_{4})_{2}\)

The reaction order and specific reaction rate constant can be determined by performing the kinetics experiment on irreversible polymerization A. Kinetic experiments can be used to investigate the rate and mechanism of chemical reactions. Chemical kinetics is the study of chemical reactions' speed and pathway.

For such more question on polymerization

https://brainly.com/question/1602388

#SPJ8

Evidence other than the CMB provides support for the Big Bang theory is redshift proposed by Edwin Hubble.

The redshift that was suggested by Edwin Hubble is yet another piece of evidence that supports the Big Bang idea. His finding confirmed the theory that the universe is expanding as a result of the other galaxies' light's redshift.

Edwin Hubble declared in 1929 that nearly all galaxies looked to be revolving away from us. He discovered that the cosmos was actually expanding, with all of the galaxies moving apart. The spectrum of a galaxy was seen to change toward red due to this occurrence.

Edwin Hubble made two significant changes to our knowledge of the universe over the span of five years, contributing to the development of the Big Bang theory. He first showed that the universe is far bigger than previously believed before proving that it is expanding.

Learn more about  Big Bang theory visit:https://brainly.com/question/1160650

#SPJ9

Answer:  the substance in which another substance

Explanation:

done

Answer:

-3

Explanation:

just took the unit test

The oxidation number of N in the compound, NH₃ is -3

This is a number assigned to an element in a chemical combination which indicates the number of electron(s) lost or gained.

NH₃ = 0

N + 3H = 0

N + (3×1) = 0

N + 3 = 0

Collect like terms

N = 0 - 3

N = -3

Learn more about oxidation number:

https://brainly.com/question/4681909

#SPJ9

Answer:

cooperate and share ideas between each other and put people with people they know well or work well with.

Explanation:

Answer: The electronic configuration of [Kr] corresponds to the 36 electrons in the closed inner shell of a noble gas. Therefore, the ion with a +2 charge must have lost two electrons from its outermost shell.

To determine the element, we need to find which element has 2 valence electrons and can form a cation with a +2 charge. The element in question is located in Group 2 of the periodic table, which includes beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba), and radium (Ra).

Out of these elements, only magnesium (Mg) has 2 valence electrons and can form a cation with a +2 charge. Therefore, the element in question is magnesium, and the ion with a +2 charge is Mg2+.

Your welcome (:

Answer:

Concentration of sodium carbonate solution = Moles of sodium carbonate / (135 mL / 1000) (convert mL to L)

Explanation:

To find the concentration of the sodium carbonate solution, we need to use the concept of stoichiometry and the amount of precipitate recovered.

First, we need to calculate the moles of the precipitate (barium carbonate) using its mass:

Mass of precipitate = 7.13 g

Next, we determine the moles of barium carbonate using its molar mass. The molar mass of barium carbonate (BaCO3) is 197.34 g/mol:

Moles of barium carbonate = Mass of precipitate / Molar mass of barium carbonate

Moles of barium carbonate = 7.13 g / 197.34 g/mol

Now, since the reaction between barium chloride and sodium carbonate is 1:1, the moles of barium carbonate also represent the moles of sodium carbonate present in the solution.

Therefore, the moles of sodium carbonate = Moles of barium carbonate

Now, we need to calculate the volume of the sodium carbonate solution using its concentration. Let's assume the concentration of the sodium carbonate solution is "C" mol/L.

Moles of sodium carbonate = Concentration of sodium carbonate solution * Volume of sodium carbonate solution

Since we have the moles of sodium carbonate and the volume is given as 135 mL, we can rearrange the equation to solve for the concentration:

Concentration of sodium carbonate solution = Moles of sodium carbonate / Volume of sodium carbonate solution

Concentration of sodium carbonate solution = Moles of sodium carbonate / (135 mL / 1000) (convert mL to L)

Substituting the value of moles of sodium carbonate, we can calculate the concentration.

Note: Make sure to perform the necessary unit conversions to ensure consistency in units.

Answer: Seafloor spreading causes changes in coastlines

Answer:

Answer:

0.0015569 km

Explanation:

Answer:

the interface between soil and plant root

Answer:

The human cheek cell is a good example of a typical animal cell. It has a prominent nucleus and a flexible cell membrane which gives the cell its irregular, soft-looking shape.

To graph the function g(x) = f(-x), you can start with the graph of f(x) and then reflect it about the y-axis.

To find the graph of the function g(x) = f(-x), we can start with the graph of the function f(x) and then reflect it about the y-axis.

If the graph of f(x) is symmetric with respect to the y-axis, meaning it is unchanged when reflected, then g(x) = f(-x) will have the same graph as f(x).

However, if the graph of f(x) is not symmetric with respect to the y-axis, then g(x) = f(-x) will be a reflection of f(x) about the y-axis.

In either case, the resulting graph of g(x) = f(-x) will be symmetric with respect to the y-axis.

Learn more about the graph of functions at: https://brainly.com/question/17089414

#SPJ1

Answer: A. They are not reactive because their outer valence electron shell is full.

Explanation:

Noble gases are group 18 elements which are Helium , Neon , Argon , Krypton , Xenon and radon.

Noble gases have general electronic configuration of \(ns^2np^6\)

As the sub-shells of noble gases is fully filled and their octet is complete. Hence, it will not gain or lose any electron and thus is non reactive in nature.

They do not react with other elements under ordinary conditions.

Thus the correct statement is they are not reactive because their outer valence electron shell is full.