Which electromagnetic wave has the least energy ? visible light microwave infrared light gramma ray

Answer:

methylhexane.

Explanation:

Because thats the answer.

Answer:

a

Explanation:

Answer:

The answer is C.

Explanation:

Oxygen- This is also an important cause of chemical weathering.

Answer:

Organisms that belong to the same species, form groups, and interact together in the same environment make the level of the population whereas a community has groups of different species living together in an environment. Species are the group of individuals that are genetically related to each other.

Weak bases are alkaline solution that does not get completely dissociated. The dissociation constant will be the ratio of the concentration of the products to the reactants.

The weak base ionization constant is the equilibrium constant that is given as the division of the products of the ionization to the concentration of the reactants.

The reaction for HCO₃ is given as:

HCO₃⁻ + OH⁻ ⇄ CO₃²⁻ + H₂O

The value of Ka for the given reaction will be:

Ka = [CO₃²⁻][H₂O] ÷ [HCO₃⁻ ][OH⁻]

Therefore, the Ka of the weak carbonic acid is given as the ratio of the concentration of the products to the reactants.

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1.4715 atm is the pressure of the sample 1.33 moles of fluorine gas that is contained in a 23.3 L container at 314 K.

What is an ideal equation?

The ideal gas equation, pV = nRT, is an equation used to calculate either the pressure, volume, temperature or number of moles of a gas. The terms are: p = pressure, in pascals (Pa).

Given data:

Volume (V) = 23.3 L

Number of mole (n) = 1.33 moles

Temperature (T) = 314 K

Gas constant (R) = 0.821 atm.L/Kmol

Pressure (P) =?

The pressure inside the container can be obtained by using the ideal gas equation as illustrated below:

PV = nRT

P × 23.3 L = 1.33 moles × 0.0821 ×314 K

P = 1.4715 atm

Therefore, the pressure of the sample is 1.4715 atm.

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Answer:

P2=672.1 torr

Explanation:

use the formula P1V1=P2V2, plug in the numbers so your equation should look like this (763.9)x(98.8)=P2(112.3) answer should be P2=672.1 torr

The resultant pressure of the sample of gas is 510.9 torr.

Relation between the pressure and volume will be represented by the ideal gas equation PV = nRT, and for the given question required equation is:

P₁V₁ = P₂V₂, where

P₁ & V₁ are the pressure and volume of initial sample.

P₂ & V₂ are the pressure and volume of final sample.

On putting values from the question to the equation, we get

P₂ = (768.6)(93.2) / (140.2) = 510.9 torr

Hence resultant pressure is 510.9 torr.

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Answer:

3.96×10^−22J

Explanation:

First find the frequency of the photon from the equation

c=fλ

∴f=c/λ

=3×10⁸m/s / 0.050×10^−2m

=6×10¹¹Hz.

Energy of such photons is quantized and given by

E=hf

=(6.6×10^−34)(6×10¹¹)

=3.96×10^−22J

Among electromagnetic waves, UV rays are most dangerous because exposure to these radiation cause serious problems in living organism. The energy of photon is 3.96×10⁻²²J.

Electromagnetic wave is a wave which contain two component one is electric component and other is magnetic component. The electric and magnetic component are perpendicular to each other. There are so many wave that comes under electromagnetic wave like infrared wave , radio wave

There is a relation between energy of wave. frequency of wave, and wavelength of wave

Mathematically,

E=hc/λ

where,

E = energy of electromagnetic wave

h is planks constant having value 6.67×10⁻³⁴js

c is speed of light that is 3×10⁸m/s

λ is the wavelength of electromagnetic wave

frequency=speed of light/wavelength

                =3×10⁸m/s / 0.050×10⁻²m

                 =6×10¹¹Hz.

E=h×frequency

  =(6.6×10⁻³⁴)(6×10¹¹)

  =3.96×10⁻²²J

Therefore, the energy of photon is 3.96×10⁻²²J.

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Answer:

frequency

Explanation:

because a wave is equally a frequency

The total pressure of gasses (nitrogen and oxygen) in the flask is determined as 3 atm.

The balanced chemical equation of nitrogen gas and oxygen gas is determined as follows;

N₂  + 2O₂  → 2NO₂

PV = nRT

P(total) = P(N₂) + PO₂

P(total) = 1 atm + 2(1 atm)

P(total) = 3 atm

Thus, the total pressure of gasses (nitrogen and oxygen) in the flask is determined as 3 atm.

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Answer:

repulsion

Explanation:

Using the given formula, the density of the material is 2.015 g/mL

From the question, we are to determine the density of the material

From the given formula

Density = Mass / Volume

And from the given information,

Mass = 65.5 g

and volume = 32.5 mL

Putting the parameters into the equation,

Density = 65.5/32.5

Density = 2.015 g/mL

Hence, the density of the material is 2.015 g/mL.

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When servers break state, county, or municipal alcohol laws when serving alcohol, the server could be fined and the establishment could lose its liquor license.

This is defined as governmentally issued permit for the service of alcohol in an area over a period of time.

When alcohol law is broken, there may be a fine or the revoking of the liquor license.

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Answer:

Saturn's rings are made up of ice, dust, rocks, moons and other satellite that orbit the gas giant as its equator, where gravity is strongest.

Explanation:

Answer:

Hess’s Law describes how the __Heat__ energy of a reaction consists of the _Enthalpy__ of the energy changes of the individual step reactions

Explanation:

Hess law is a legendary law which is given by

[tex]\\ \rm\Rrightarrow ∆H_{net}=\sum \delta H_r[/tex]

1:Red cabbage contains a water-soluble pigment called anthocyanin that changes color when it is mixed with an acid or a base.

2: Basic

Identify the balanced chemical equation that represents a decomposition reaction.

2Fe(OH) 3 ⟶ 2FeO 3 + H 2O

CuSO 4 ⟶ CuO + 2SO 3

P 4 + 3O 2 ⟶ P 2O 3

Explanation:

Answer:

Option C

Explanation:

A decomposition reaction is a type of reaction in which one reactant breaks down in to two or more products.

Here in option C

On both reactant and products side

Hence balanced

The can will burst at 938.45 K.

Gay Lussac's Law states that the pressure of a fixed amount of gas is directly proportional to the absolute temperature at constant volume.

i.e. P ∝ T

P= KT

P₁ = KT₁

P₂ = KT₂

Here we have considered that the gas is at two different temperatures and pressures which is denoted by T₁ , T₂ and P₁ , P₂

It can also be written as

(P₁ /P₂ )  = (T₁ / T₂)

It is given that

P₂ = 14.29 atm

P₁  = 4.535 atm

T₁ = 298.15 K

T₂ = ?

T₂ = (298.15 * 14.29 )/ 4.54

T₂ = 938.45 K

Therefore the can will burst at 938.45 K.

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Glutamic amino acid is the non-essential amino acid and an excitatory neurotransmitter. When Glu is found in the core then the pKa of the side chain group increases.

pKa is the acid strength or the estimate that shows whether the solution is weak or strong acid. pKa less than zero is a strong acid and portrays the bonding of the proton by the acids.

In the Glu amino acid, the value of the pKa of the side chain functional groups increases as the amino acid is found in the interior of the water-soluble folded protein structure.

Therefore, the pKa of the side-chain increases.

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The kind of radioactive element is useful for dating an object is one with a half-life close to the age of the object.

Radioactive elements are elements that involved in radioactivity and this comprises of atoms or particles in their nuclei whose atomic nuclei are not stable and they emit radiations to maintain stability.

Therefore, The kind of radioactive element is useful for dating an object is one with a half-life close to the age of the object.

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Explanation:

150 grams is .15 liters

1 mole of gas at STP occupies 22.414 liters

.15 liter of hydrogen represents .15/22.414 =

0.0066922 moles of H2

equation is

Zn + 2HCl → ZnCl2 + H2

1 mole of Zn will make 1 mole of H2

0.0066922 moles of Zn will make 0.0066922 moles of H2

To convert this molar quantity of zinc into grams we simply multiply by the atomic mass of zinc, which is

65.38 g/mol;-

Mass of Zn required = 0.0066922 moles * 65.38 g/mol = 0.4375390381 grams

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Answer:

B

Explanation:

The four factors that increase the rate of the reaction:

1.Concentration of the reactants

2.Size of the particles

3.Temperature

4.Catalyst

Answer:

abt 2 moles

Explanation:

1 mole of carbon atoms per mole of carbon dioxide = 6.02 x 1023 carbon atoms. 2 mole of oxygen atoms per mole of oxygen atoms = 2 x 6.02 x 1023 oxygen atoms.

Answer:

117 grams H₂O

Explanation:

To find the amount, you need to (1) convert from moles HNO₃ to moles H₂O (via mole-to-mole ratio from equation) and then (2) convert from moles H₂O to grams (via molar mass from periodic table). The final answer should have 3 sig figs according the the given value (19.5).

S + 6 HNO₃ --> H₂SO₄ + 6 NO₂ + 2 H₂O

Molar Mass (H₂O): 15.999 g/mol + 2(1.008 g/mol)
Molar Mass (H₂O): 18.015 g/mol

19.5 moles HNO₃         2 moles H₂O          18.015 grams
--------------------------  x  ----------------------  x  ----------------------  = 117 grams H₂O
                                    6 moles HNO₃           1 mole H₂O