Which type is a metamorphic rock formed from shale?


A.gneiss


B.limestone


C.sandstone


D.slate

The given statement "at low temperatures, intermolecular forces become important and pressure of the gas will be higher than predicted by ideal gas law" is false. Because, at low temperatures, intermolecular forces become more significant and cause gas molecules to come closer together, which reduces the volume of the gas.

As a result, the pressure of the gas will be lower than predicted by the ideal gas law, which assumes that gas molecules have no volume and do not interact with each other.

The ideal gas law is only accurate for gases that behave like ideal gases, meaning that they have negligible intermolecular forces and occupy no volume. Real gases, on the other hand, deviate from the ideal gas law at high pressures and low temperatures, where intermolecular forces become more significant.

At these conditions, the volume of the gas becomes significant compared to the volume of the container, and the gas behaves less ideally. In this case, we need to use more complex equations of state to accurately predict the behavior of the gas.

To know more about ideal gas law here

https://brainly.com/question/4147359

#SPJ4

12.9 ml ml of 0.871 M KOH are required to reach the end point in a titration with 25.0 ml of 0.449 M HCl

Neutralization reaction is defined as a chemical reaction in which an acid and a base reacts with each other. Basically it is explained as when a strong acid reacts with a strong base the resultant salt is neither acidic nor basic in nature which is called neutral. The balanced chemical equation for the neutralization reaction between KOH and HCl  can be written as,

KOH +HCl → KCl + H₂O

The equivalence point of a chemical reaction is defined as the point at which chemically equivalent quantities of reactants of the reaction have been mixed together. For an neutralization reaction the equivalence point is where the moles of acid and the moles of base would neutralize each other as per the chemical reaction.

Moles of KOH is equals to moles of HCL.

Equivalent point of KOH =  0.449 M × 25.0 ml / 0.871 M

                                        = 12.9 ml

To know more about equivalence point here

https://brainly.com/question/31359634

#SPJ4

The complete question is

how many ml of 0.871 m koh is required to reach the endpoint (equivalence point) in a titration with 25.0 ml of 0.449 m HCl ? express your answer in ml.

Get ready, you should catch it.

Answer:

As an object falls, its gravitational potential energy decreases as its speed—and therefore its kinetic energy—increases.

Explanation:

Study Island

Answer:

Sublimation

Explanation:

Sublimation refers to the process by which the change of matter takes place directly from solid to liquid state. The matter from the solid-state directly changes into the gaseous state without changing into the liquid state. More energy is required in this process. This is an endothermic reaction. Dry ice is the solid carbon dioxide sublimes in the air.

Answer:

B.Gravity is the same between all objects on Earth.

Answer:

31536000 seconds

Explanation:

there are 31536000 seconds in one year

Considering the definition of pOH, the correct option is option a) The concentration of hydronium ions in a solution at 25.0°C with a pOH of 4.223 is 5.98×10⁻⁵ M.

pOH  is a measure of acidity or alkalinity that indicates the amount of hydroxyl ions in a solution. It is expressed as the logarithm of the concentration of OH⁻ ions, with the sign changed:

pOH= - log [OH⁻]

In this case, you know pOH= 4.223. Replacing in the definition of pOH:

4.223= - log [OH⁻]

Solving:

[OH⁻]= 10⁻⁴ ²²³

[OH⁻]= 5.98×10⁻⁵ M

Finally, [OH⁻] is 5.98×10⁻⁵ M

Learn more about pOH:

https://brainly.com/question/27157023

#SPJ1

Answer:

JUST B

Explanation:

Add 47.45 grams of iron(iii) chloride to make a 0.149 m solution using 475 grams of water.


To calculate the grams of iron(iii) chloride needed, we first need to know the molecular weight of iron(iii) chloride, which is 162.2 g/mol.

Next, we need to calculate the number of moles of iron(iii) chloride required to make a 0.149 m solution.

Molarity is defined as the number of moles of solute per liter of solution. Since we are using 475 grams of water, we need to convert it to liters by dividing it by the density of water, which is 1 g/mL or 1000 g/L.

475 g ÷ 1000 g/L = 0.475 L

Now we can calculate the number of moles of iron(iii) chloride required:

0.149 mol/L x 0.475 L = 0.070775 moles

Finally, we can calculate the grams of iron(iii) chloride needed by multiplying the number of moles by the molecular weight:

0.070775 moles x 162.2 g/mol = 11.481 grams

Therefore, you should add 11.481 grams of iron(iii) chloride to make a 0.149 m solution using 475 grams of water. However, since the question is asking for the weight of iron(iii) chloride to add to 475 grams of water, we need to subtract the weight of the water from the total weight of the solution:

11.481 grams - 475 grams = 47.45 grams

So, you should add 47.45 grams of iron(iii) chloride to make a 0.149 m solution using 475 grams of water.

To know more about molecular weight, Visit;

https://brainly.com/question/27988184

#SPJ11

Answer:

Chemical change

Explanation:

If two types of matter reacts or are combined and energy is given off, the type of change that might have occurred is a chemical change.

A chemical change is one in which a new kind of matter is formed.

It is always accompanied by energy changes.

The process is not easily reversible.

D-glucose and L-glucose differ the most in their three-dimensional structures.  Stereochemistry plays a significant role in determining the three-dimensional structure of molecules, particularly in monosaccharides. The difference in three-dimensional structures is essential because it influences the properties, functions, and interactions of these molecules.

Out of all the monosaccharides, D-glucose and L-glucose differ the most in their three-dimensional structures. Although they have the same chemical formula, they are mirror images of each other, also known as enantiomers. This means that their chiral centers, or carbon atoms bonded to four different substituents, have opposite configurations. In the case of D-glucose and L-glucose, all four chiral centers differ.

The D- and L- designation indicates the configuration of the chiral carbon farthest from the aldehyde or keto group. In D-glucose, the hydroxyl group on this carbon points to the right, whereas, in L-glucose, it points to the left. This difference in configuration leads to distinct three-dimensional structures, which impacts their biological activity and interactions with enzymes and receptors.

In summary, the monosaccharides that differ most in their three-dimensional structures are D-glucose and L-glucose due to their enantiomeric relationship, which arises from the opposite configurations of all chiral centers. This stereochemical difference significantly affects their properties, functions, and molecular interactions.

Learn more about saccharides here:

https://brainly.com/question/780562

#SPJ11

Answer:

C) A covalent bond formed with an unequal sharing of electrons

Explanation:

A polar covalent bond is the unequal sharing of electrons in a covalent bond

Answer:

An electric current is created

An electric current is created when a wire moves between the poles of a magnet.

So, option A is correct.

learn about electric current,

https://brainly.com/question/2264542

#SPJ2

Answer:

Ti3O5

Explanation:

The empirical formula of the compound (TiₓOᵧ) is Ti₃O₅

The balanced equation is

We'll begin by calculating the number of mole in 2.024 g of TiO₂. This can be obtained as follow:

Molar mass of TiO₂ = 47.87 + (16×2)

= 79.87 g/mol

Mass of TiO₂ = 2.024 g

Mole = mass / molar mass

Mole of TiO₂ = 2.024 / 79.87

Next, we shall determine the number of mole of Ti in 0.0253 mole of TiO₂. This can be obtained as follow:

1 mole of TiO₂ contains 1 mole of Ti.

Therefore,

0.0253 mole of TiO₂ will also contain 0.0253 mole of Ti.

Next, we shall determine the number of mole of Ti in TiₓOᵧ.

The number of mole of Ti in TiO₂ is the same in TiₓOᵧ.

Thus, the number of mole Ti in TiₓOᵧ is 0.0253 mole.

Next, we shall determine the mass of 0.0253 mole of Ti. This can be obtained as follow:

Mole of Ti = 0.0253 mole

Molar mass of Ti = 47.87 g/mol

Mass = mole × molar mass

Mass of Ti = 0.0253 × 47.87

Next, we shall determine the mass of oxygen, O in 1.889 g of TiₓOᵧ. This can be obtained as follow:

Mass of TiₓOᵧ = 1.889 g

Mass of Ti = 1.212 g

Mass of O = 1.889 – 1.212

Finally, we shall determine the empirical formula of the compound (TiₓOᵧ). This can be obtained as follow:

Mass of Ti = 1.212 g

Mass of O = 0.677 g

Ti = 1.212 g

O = 0.677 g

Ti = 1.212 / 47.87 = 0.0253

O = 0.677 / 16 = 0.0423

Ti = 0.0253 / 0.0253 = 1

O = 0.0423 / 0.0253 = 1.67

Ti = 1 × 3 = 3

O = 1.67 × 3 = 5

Therefore, the empirical formula of the compound (TiₓOᵧ) is Ti₃O₅

The balanced equation is

Lean more: https://brainly.com/question/11185156

Answer:

Gamma Rays is your answer

Answer:

Ptotal= 0.794 atm

Explanation:

divide 4,500pa by 1atm or 101,325 passcal

4,500p

-----------      =   0.044atm

101,325p  

then you take 0.75 and add 0.044 which equals 0.794 atm

because 1 atm = 101,325 passcal

Answer:

positron

Explanation:

PET scanning works by injecting a radioactive material, called a tracer, into the body. The tracer emits a positron inside the body, and the positron collides with electrons in the body, thereby annihilating and releasing two gamma rays that travel in opposite directions.

The hydrogen can be produced from water using renewable energy sources, which makes it more sustainable.

If we based our energy on hydrogen, two major economic or global problems that could be alleviated are:

1. Climate change: This is a global issue that requires an immediate response. The world needs to move away from carbon-emitting fossil fuels. Burning hydrogen fuel emits only water and does not release greenhouse gases. If the world shifts to hydrogen fuel, it will reduce carbon emissions and help to slow down climate change.

2. Dependence on Oil: Most countries are dependent on oil. The price of oil is volatile, and the demand and supply fluctuate due to political, economic, and weather events. This dependence on oil is a major economic challenge for many countries. If we based our energy on hydrogen, we could reduce our dependence on oil and decrease oil imports, which could significantly improve the economy of countries that do not produce oil.

To know more about the hydrogen, visit:

https://brainly.com/question/31018544

#SPJ11

Answer:

a chemical reaction

Explanation:

What has happened to the statue of liberty is that a chemical reaction has occurred to the materials making up this edifice.

The statue is made up of copper. On reacting with oxygen, it undergoes an oxidation.

This makes the copper to rust and decolorize.

It implies that copper has reacted with oxygen in air and possibly from water.

This gives a new product.

We know this because for most chemical changes, they give new products and are not easily reversible.

The empirical formula of chlorofluorocarbon is C₁₅H₁₈ClF₁₂₈

A possible graphic formula for Compound T is:

Cl

|

F--C--C--F

| |

H H

The empirical formula of the compound is determined as follows:

Assume that we have 100 g of Compound T, so the mass of each element in grams can be directly read from the percentages given.

Mass of C = 7 g

Mass of H = 0.66 g

Mass of Cl = 46.4 g / 35.45 g/mol = 1.31 g

Mass of F = 100 g - (7 g + 0.66 g + 1.31 g) = 90.03 g

Next, we can calculate the number of moles of each element:

moles of C = 7 g / 12.01 g/mol = 0.583 mol

moles of H = 0.66 g / 1.008 g/mol = 0.655 mol

moles of Cl = 1.31 g / 35.45 g/mol = 0.037 mol

moles of F = 90.03 g / 18.99 g/mol = 4.740 mol

To obtain the empirical formula, we need to divide the number of moles of each element by the smallest number of moles. The smallest number of moles is 0.037, which corresponds to chlorine:

moles of C = 0.583 mol / 0.037 mol = 15.7

moles of H = 0.655 mol / 0.037 mol = 17.7

moles of Cl = 0.037 mol / 0.037 mol = 1

moles of F = 4.740 mol / 0.037 mol = 128.1

Hence, the empirical formula of the compound is C15H18ClF128

To find the molecular formula, we need to determine the molecular mass of the empirical formula and divide the given molecular mass by the empirical mass to obtain the molecular formula.

The molecular mass of the empirical formula is:

15(12.01) + 18(1.008) + 35.45 + 128(18.99) = 2886.53 g/mol

The given compound has two carbon atoms per molecule, so its molecular mass is twice the molecular mass of the empirical formula:

2(2886.53 g/mol) = 5773.06 g/mol

Therefore, the molecular formula of Compound T is C30H36Cl2F256

Learn more about empirical formula at: https://brainly.com/question/13058832

#SPJ1

Answer:

Water and Salt

Explanation:

A neutralization reaction occurs when an acid and a base react to produce water and a salt, and it entails the formation of water from the mixture of H+ and OH- ions.

Answer:

NaCl and water is formed when acid reacts with base

Answer:

Atomic mass

Explanation:

It is the unit used o express atomic and molecular weights.

Answer:

yes if big  no if weak

Explanation:

According to new research, a large earthquake can not only cause other quakes, but also large ones on the opposite side of the Earth.

An earthquake is a sudden movement of rock materials beneath the earth's surface that causes a weak to violent shaking of the ground. The earthquakes are caused by tectonic plate boundaries.

Every day, earthquakes occur all over the world, along both tectonic plate edges and interiors. Earthquakes happen along faults, which are fractures in the rock that allow the blocks to move relative to one another.

Earthquakes are typically caused by underground rock suddenly breaking and rapid movement along a fault. The seismic waves that cause the ground to shake are caused by this sudden release of energy.

A large earthquake can not only cause other quakes, but also large ones on the opposite side of the Earth, according to new research.

Thus, it is possible for an earthquake at this same location to be basically felt where you live.

For more details regarding earthquake, visit:

https://brainly.com/question/29500066

#SPJ2

Answer:

the answer is 0.785g/ mL

The use of a large excess of alcohol can shift the equilibrium in the Fischer esterification to the right.

Fischer or Fischer-Speier esterification is a special type of esterification involving the formation of an ester by refluxing a carboxylic acid and an alcohol using an acid catalyst.

The structure, molecular weight and type of alcohol have a marked influence on the rate of esterification and the degree of conversion at equilibrium.

Another factor that can shift the Fischer esterification equilibrium to the right is temperature.

An increase in temperature can also amplify the equilibrium production, as occurs in most steriflcation reactions, but this comes to a controlled stop due to the boiling point of the alcohol of the acid, which is avoided if the reactor is works under pressure, allowing this to increase the temperature.

Learn more about alcohol at https://brainly.com/question/16975086

#SPJ4

Answer:

b

Explanation:

is the dictionary definition of a word.

is the feeling or idea associated with a word.

Homogeneous and heterogeneous mixture in colloid, suspension and solution

A colloid is a heterogeneous mixture in which the dispersed particles are intermediate in size between those of a solution and a suspension and within the categories of homogeneous and heterogeneous mixtures there are more specific types of mixtures including solutions is alloys, suspensions, and colloids and a solution is a mixture where one of the substances dissolves in the other and the substance that dissolves is called the solute

Know more about mixture

https://brainly.com/question/1203901

#SPJ1

Answer:Electronegativity, symbolized as χ, is the tendency of an atom to attract shared electrons (or electron density) to itself.    

Explanation:

Answer:

Explanation:

The correct answer is cesium

Because If you look at the electronegativities of just Lithium and Cesium then you would notice that the shielding effect is more prevalent in Cesium, thereby reducing the electronegativity and affecting the reduction potential

The best choice for screening a person's genetics for 1,000 or more genes would be: C. Sequencing.

Sequencing techniques, such as next-generation sequencing (NGS), are well-suited for screening a large number of genes efficiently and comprehensively. NGS allows for high-throughput sequencing of DNA, enabling the simultaneous analysis of multiple genes or even the entire genome. It provides detailed information about the sequence of nucleotides in the DNA, allowing for the identification of genetic variations, mutations, or other genomic features.

Microarray analysis (A) is a technique that can analyze gene expression patterns or detect specific genetic variations, but it is limited in the number of genes it can assess simultaneously compared to sequencing.

RELP analysis (B) is a technique used for detecting genetic variations based on restriction enzyme digestion patterns, but it is more suitable for specific target regions rather than screening a large number of genes.

Karyotyping (D) involves the visualization and analysis of chromosomes to detect large-scale chromosomal abnormalities but is not suitable for screening a large number of individual genes.

To know more about DNA

brainly.com/question/32663516

#SPJ11