Which of the following can result in deviations from Beer\'s law when the path length is constant? Solute concentrations less than 0.01 M Stray light reaching the detector The absorbing species undergoes dissociation or association The sample is homogeneous The use of polychromatic radiation

Answer:  16700 mmHg , 22,0 atm

Explanation:   1 torr  = 1 mmHg, so p = 16700 torr = 16700 mmHg

1 atm = 101325 Pa = 760 torr

16700 torr / 760 = 21,97 atm

Answer:

0.167 M NaOH

Explanation:

Answer:

0.167

Explanation:

Answer:

We can answer this question if the chemical reaction provided to this question is provided to us.

Following is the list of primary secondary and tertiary alcohols.

Alcohols are chemical compounds made composed of an alkyl or aryl group and a hydroxyl group (ROH). A fundamental alcohol is a hydroxyl carbon with just one R group. If it contains two R groups, it is a secondary alcohol, and if it has three R groups, it is a tertiary alcohol.

Look at the carbon bonded to OH to identify whether an alcohol is primary, secondary, or tertiary. The alcohol is primary, secondary, or tertiary depending on how many other carbons are connected to that carbon. It is methanol if there are three hydrogens and no carbons, which is a rare combination.

For the given formulas, following are different types of alcohols -

a) Primary Alcohols

b) Tertiary Alcohol

c) Secondary Alcohol

d) Primary Alcohol

e) Primary Alcohol

f) secondary Alcohol

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Answer:

STP in chemistry is the abbreviation for Standard Temperature and Pressure. STP most commonly is used when performing calculations on gases, such as gas density. The standard temperature is 273 K (0° Celsius or 32° Fahrenheit) and the standard pressure is 1 atm pressure.

Based on the information, UV light is more likely to damage the material.

Due to the fact that the infrared light bounces off the quartz, which increases its energy, the quartz may become warm.

The colors of paper and fabric can deteriorate due to ultraviolet light from the sun. In the presence of ultraviolet light waves, the chemicals in colored dyes can degrade. Sunburns may also result from ultraviolet radiation.

Paper and other organic materials will deteriorate, bleach, and deteriorate due to ultraviolet radiation. All of these modifications may reduce readability, affect how well artwork is regarded for its aesthetic qualities, and restrict access to the information it contains.

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Answer: devide the concept

Explanation: devide and then answer it

Answer:

1 gram of H2 will be produced from 12 grams of Mg.

Explanation:

According to Stoichiometry, 0.5 moles of Mg are present. 1 mole of Mg produces 1 mole of H2, so 0.5 moles of Mg will produce 0.5 moles of H2. Multiplying molar mass of H2 i.e. 2 gram/mole with 0.5 moles, we can find the mass of H2 in grams which is 1 gram.

Answer:

[tex]\boxed {\boxed {\sf 142.2 \ K}}[/tex]

Explanation:

This problem asks us to find the temperature change necessary to make the volume change. We use Charles's Law which states that temperature is directly proportional to the volume of a gas. The formula is:

[tex]\frac{V_1}{T_1}=\frac{V_2}{T_2}[/tex]

We know the balloon originally had a volume of 6.5 liters and a temperature of 280 Kelvin. Then, the temperature was cooled so the new volume is 3.3 liters. However, the exact new temperature is unknown.

Substitute all known values into the formula.

[tex]\frac {6.5 \ L}{280 \ K}=\frac{3.3 \ L}{T_2}[/tex]

Now, solve the new temperature (T₂). First, cross multiply. Multiply the 1st numerator by the 2nd denominator. Then, multiply the 1st denominator by the 2nd numerator.

[tex]280 \ K * 3.3 \ L = 6.5 \ L * T_2[/tex]

Multiply the left side.

[tex]924 \ K *L=6.5 \ L *T_2[/tex]

We must isolate the variable. Currently, it is being multiplied by 6.5 liters. The inverse of multiplication is division. Divide both sides by 6.5 L.

[tex]\frac { 924 \ K*L}{6.5 \ L}= \frac{ 6.5 \ L *T_2}{ 6.5 \ L}[/tex]

[tex]\frac { 924 \ K*L}{6.5 \ L}= T_2[/tex]

The units of liters (L) cancel.

[tex]\frac { 924 \ K}{6.5 }= T_2[/tex]

[tex]142.153846 \ K= T_2[/tex]

Let's round to the nearest tenth place. The 5 in the hundredth place tells us to round the 1 up to a 2.

[tex]142.2 \ K= T_2[/tex]

The temperature must be cooled to approximately 142.2 Kelvin.

Answer:

High and low pressure regions form when there is a large temperature difference between the surface of the sea (or a large lake) and the land next to it. Local winds are created as a result of this. Warmer air from the ocean rises and then sinks on land, causing the temperature to rise over the land.

To solve this we must be knowing each and every concept related to atom. Therefore, Bohr's model was abandoned since it lacked explanatory, descriptive, and predictive ability.

Atom is the smallest particle of any element, molecule or compound. Atom can not be further divided. Atoms contains nucleus in its center and electron that revolve around the atom in fixed orbit.

In the nucleus, proton and neutron are present. Electron has -1 charge while proton has +1 charge. Neutron is neutral that is it has no charge. Bohr's model was abandoned in favor of the quantum mechanical model since it lacked explanatory, descriptive, and predictive ability.

Therefore, Bohr's model was abandoned since it lacked explanatory, descriptive, and predictive ability.

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Answer:

The source of the activation energy needed to push reactions forward is typically heat energy from the surroundings.

Explanation:

The activation energy of a particular reaction determines the rate at which it will proceed. The higher the activation energy, the slower the chemical reaction will be

Answer:

I don't know I am sorry

The net charge on the Peptide sequence: DSVK at pH = 0 is : a. net charge = +2.

The process of identifying the amino acids that make up a peptide chain's structural sequence is known as peptide sequencing. This knowledge must be made public in order to understand the structure and function of a protein within a cell, which is useful for biomedical research applications.

By convention, the names of peptides are always written from left to right, beginning with the N-terminal end. For example, the name glycyl-histidine-phenylalanine refers to a peptide that comprises glycine at the N-terminus, followed by a histidine, and then phenylalanine at the C-terminus.

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In the given bend on the topographic map, 1. is Downstream and 2. is Upstream.

The stream can be described as the moving water in a river is called a stream. Upstream can be described as if the water is flowing in the opposite direction to the stream, it is known as upstream.

Downstream can be described as flowing along the direction of the stream, it is known as downstream.

Still water can be described as under this circumstance the water is stationary and the speed of the water is equal to zero.

All rivers flow downhill from higher elevations to lower elevations and perpendicular to the contour line. As a rule of thumb, the V-shaped contour is representing upstream.

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Diatomic elements are elements that exist as molecules composed of two atoms of the same element.

Diatomic molecules are molecules composed of two atoms, such as Oxygen (O2), Hydrogen (H2), Nitrogen (N2), and Fluorine (F2). Diatomic molecules are the most common type of molecules in nature and are found in all three states of matter (solid, liquid, and gas). Diatomic molecules contain only two atoms and do not contain any other elements or molecules.

This is in contrast to other elemental substances, which exist as individual atoms or molecules composed of different elements. Diatomic elements have unique chemical and physical properties due to the strong bond between the two atoms.

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Answer:

5.0 x 10^-7

Explanation:

[H+]=10^-6.3

According to the concept of Avogadro's number and STP conditions volume in liters of the sample is 15,388.7.

Avogadro's number is defined as a proportionality factor which relates number of constituent particles with the amount of substance which is present in the sample.

According to the definitions, Avogadro's number depend on determined value of mass of one atom of those elements.It bridges the gap between macroscopic and microscopic world by relating amount of substance with number of particles.

Number of atoms can be calculated using Avogadro's number as follows: mass/molar mass×Avogadro's number

Number of moles is obtained as, number of atoms/Avogadro's number=4.088×10²⁴/6.023×10²³=6.78 moles on substitution in formula of PV=nRT=V=6.78×8.314×273/1=15,388.7 liters.

Thus, the volume is 15,388.7 liters of the sample.

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Here's link[tex]^{}[/tex] to the answer:

bit.[tex]^{}[/tex]ly/3gVQKw3

Answer:

B

Explanation:

Answer:c

Explanation:

108gm of hydrogen gas is present in2600ml container at 35-degree Celsius and at pressure of 165mm Hg.

Given data:

water = 2600ml

temp = 35°C & 95k

pressure = 165mm Hg & 0.162atm

From given information we apply ideal das equation to get moles.

PV = nRT

0.162atm * 2600ml = n 0.0821 * 95k

n = 54

Now we know 1 mole of hydrogen contain 2.016gm hydrogen.

In 54 moles we have 108gm hydrogen.

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Answer: In the sweat and urine

Explanation:

Sodium is part of body's mineral. It will easily go out or lose when we we sweat and when we urinate. They lost from the body in form of water contained sodium.

Answer:

1..) The property by the virtue of which the metals can be beaten into sheets.

Malleability.

2.

I.Reaction of iron with copper sulphate solution

ii.

Iron metal displaces copper from its compound copper sulphate and forms iron sulphate along with copper metal. This reaction is a displacement reaction.

Reaction:

Fe(Iron)+CuSO4(Copper Sulphate)-------FeSO4(Ferrous Sulphate)+Cu(Copper)

yeah same I'm bóred too -,-

Answer:

sure hi ...............................

The mass in grams of 6.02×[tex]10^{23}[/tex]  N2 molecules is 9.24×[tex]10^{23}[/tex] gram.

This is because each molecule of N2 is composed of two atoms of nitrogen, which each have a mass of 14.0067 grams.

Thus, the total mass of 6.022×[tex]10^{23}[/tex] N2 molecules is calculated by multiplying the number of molecules by the mass of each molecule, which is 28.0134 grams.

14.0067×2=28.013grams

This gives us a total mass of

6.02×1023×28.0134=9.24×[tex]10^{23}[/tex] grams

Molar mass:

Molar mass is the mass of one mole of a substance. It is expressed in grams per mole (g/mol). It is calculated by adding up the atomic weights of all the atoms in a molecule or formula unit of a compound. It is a useful measure when calculating the mass of a substance, or when calculating stoichiometric ratios in a chemical reaction.

Therefore the mass of 6.022×[tex]10^{23}[/tex] N2 molecule is 9.24×[tex]10^{23}[/tex]grams.

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A quality of matter that is unrelated to a change in its chemical makeup is called a physical property. Density, color, hardness, melting and boiling points, and electrical conductivity.

A quality of matter that is unrelated to a change in its chemical makeup is called a physical property. Density, color, hardness, melting and boiling points and electrical conductivity are a few common examples of physical qualities.

A substance with a given mass and a certain volume in space is referred to as matter. Examples of matters are pens, pencils, toothbrushes, water, and milk, as well as vehicles like cars, buses, and bicycles. Therefore, the matter is divided into two categories: living and non-living.

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Physical properties are characteristics of matter that are independent of changes in its chemical composition. Electrical conductivity, hardness, melt and boiling points, and density.

Physical properties are characteristics of matter that are independent of changes in its chemical composition. Physical characteristics include things like density, color, durability, melting , boiling temperatures, and electrical conductivity, to name a few.

Matter is defined as a material having a certain mass and spatial volume. Pencils, pencils, toothbrushes, water, milk, as well as automobiles, buses, and bicycles, are examples of matters. 

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The order of [NO] is 2.

The rate law for a chemical reaction is an equation that describes how the rate of the reaction changes with respect to the concentrations of the reactants. In this case, the rate law for the reaction 2NO(g) + O2(g) → 2NO2(g) is Rate = k[O2][NO]^2.

The order of a reactant in a rate law is determined by the exponent to which its concentration is raised. In this case, the concentration of NO is raised to the power of 2, so the order of [NO] is 2. This means that the rate of the reaction is directly proportional to the square of the concentration of NO. Therefore, as the concentration of NO increases, the rate of the reaction will increase at a faster rate.

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There are 20 grams of Sodium hydroxide in a molar solution that has a volume of 500 cm3.

Caustic soda and lye are two other names for sodium hydroxide. It is a typical component of soaps and cleansers. Sodium hydroxide seems to be a white, unscented solid at room temperature. Sodium hydroxide is a colorless, odorless liquid. Strong acids and water can cause explosive reactions with it.

Molarity is calculated by

moles (solute) / volume of solution in L

No. of moles = mass / molar mass

We have to find mass of sodium hydroxide (NaOH)

As we know, in 1 L (1000 cm³) of molar solution there is 40 gram of NaOH present.

From using this statement, 500 cm³ of a molar solution, means half liter of a molar solution contain -

= 40 / 2

= 20 gram of NaOH.

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The amount of work required to increase the separation of the two ions to an infinite distance is 3.68×10⁻¹⁸joules.

When a push or pull applied to an object causes the object to move, that movement is referred to as work. We refer to energy as the ability to perform the work. The work completed in a given amount of time is referred to as power.

Mg²⁺with a charge is 3.2×10⁻¹⁹C

O²⁻with a charge of −3.2×10⁻¹⁹C

distance = 0.25 = 0.25 ×10⁻⁹m

We know that the constant of proportionality is equal to 8.99×10⁹Jm/C²

Work = -kq₁q₂/d

Substitute given values into the formula,

Work = 8.99×10⁹× 3.2×10⁻¹⁹× -3.2×10⁻¹⁹/ 0.25 ×10⁻⁹

Work =  8.99×10⁹×-1.024×10⁻³⁷/0.25×10⁻⁹

Work = 9.21×10⁻²⁸/ 0.25×10⁻⁹

Work = 3.68×10⁻¹⁸Joules.

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Answer:

strong acids fully ionise to produce H+ ions.

weak acid PARTIALLY ionise

strong Base fully ionise to produce OH- ions

weak base partially ionise

thus ans is C