Planck's constant relates the Joules of energy absorbed/released by matter to the:A. atomic number of the element

B. observed wavelength of light

C. speed of light

D. mass of the particulate matter

Answers

Answer 1

Answer:

Answer: B. observed wavelength of light

Explanation: The relation of Planck's constant relating the Joules of energy absorbed/released by matter is usually used to determine the energy of the photon. The mathematical expression is -

E= h c / $\lambda$

Thus as we can observe that the energy is directly proportional to the speed of light and inversely proportional to the wavelength of the light.

Thus , we can say that Planck's constant relates the Joules of energy absorbed/released by matter to the observed wavelength of light.

Answer 2

Answer: The right answer for the question that is being asked and shown above is that: "B. observed wavelength of light" Planck's constant relates the Joules of energy absorbed/released by matter to the B. observed wavelength of light

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What powers explosions and fire

Answers

Almost always oxidation,
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The molar mass of CO2 is 44.01 g/mol. Which is the mass of 3.21×1025 molecules of CO2

Answers

Given:

Molar mass of CO2 = 44.01g/mol

3.21x10^25 molecules of CO2

Required:

Mass of CO2

Solution:

Avogadro’s number states that for every mole of atom, there are 6.023x10^23 units of atom. The units may be formula units, atoms. In here, you need to divide 3.21x10^25 molecules of CO2 to 6.023x10^23 molecules per mole.

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Given the reaction at 101.3 kPa and 298 K: hydrogen gas + iodine gas -> hydrogen iodide gas This reaction is classified as

Answers

Answer:

Endothermic, because heat is absorbed.

Explanation:

This is classified as a "Formation Reaction"

What is first and second element of the periodic table?

Answers

The elements on the periodic table are listed in increasing atomic number.

Hydrogen is the first element, and has an A.N. of 1. Also, its very interesting how it doesn't need 8 valence electrons to be stable.

The second element is Helium, which has an A.N (atomic number) of two.

The first element of the periodic table is hydrogen (H), and the second element is helium (He).

Hydrogen, with atomic number 1, is the first element in the periodic table. It is the lightest and the most abundant element in universe. Hydrogen is a colorless, odorless gas and is the building block for all other elements.

Helium, with atomic number 2, is the second element in the periodic table. It is also a gas, but unlike hydrogen, it is inert and does not readily react with other elements. Helium is known for its low density, which makes it lighter than air, and it is commonly used for filling balloons and as a cooling medium in various scientific and industrial applications.

So, the first element of the periodic table is hydrogen (H), and the second element is helium (He).

To know more about periodic table here

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Review the equation below. 2KClO3 mc012-1.jpg 2KCl + 3O2 How many moles of oxygen are produced when 2 mol of potassium chlorate (KClO3) decompose?

Answers

Stoichiometry of the reaction:

2 KClO₃   =   2 KCl + 3 O₂
  ↓ ↓

2 mole KClO₃ ----------> 3 mole O₂
2 mole KClO₃ ----------> ?

KClO₃ = 2 * 3 / 2

KClO₃ = 6 / 2

= 3 moles de KClO₃

hope this helps!

Answer:

the answer is 3

Explanation:

2 mol of potassium chlorate x $(3)/(2)$ = 3