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drek231 [11]
2 years ago
11

Which has a longer wave length visable or infrared

Chemistry
1 answer:
lutik1710 [3]2 years ago
4 0

Answer:

Infrared radiation lies between the visible and microwave portions of the electromagnetic spectrum. Infrared waves have wavelengths longer than visible and shorter than microwaves, and have frequencies which are lower than visible and higher than microwaves

Explanation:

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Why was Niels Bohr’s atomic model superior to all the earlier models?
Elena L [17]

Answer the correct option will be option B.

Explanation: this is how he showed the electron could orbit the nucleus without falling into it. This is so because he explained that the electron  revolves around the nucleus  in a fixed circular orbit with fixed energy and cannot occupy just any energy level which is defined as quantisation of energy.

option A is one of postulates given by Dalton in his Dalton's atomic theory which later proved to be wrong.

option C  it is one of the postulates given by the in J.J Thomson in his model of  an atom which was the first atomic model.

option D Schrodinger has used the wave nature to explain the position of electrons around the nucleus.


5 0
3 years ago
The heart, arteries, and veins are all part of what body system?
Sedaia [141]

Answer:

The circulatory system.

Explanation:

All of them are in charge of pumping blood and oxygen throughout the body, which is the job of the circulatory system.

7 0
3 years ago
Will give brainliest to whoever answers the right answer.
zaharov [31]

Answer:

option b is correct

as it have same number of atoms on both the reactant and product side.

4 0
3 years ago
Compare the state of plasma to the other states of matter
dmitriy555 [2]
Plasma is the most least form on Earth and we hardly use it but it is the most common in the universe because it is mostly loacted in space
4 0
3 years ago
499 mg sample of CuSO4. xH2O is heated and reweighed to give a mass of 319 mg. Given that the sample contains 2 mmol of Cu; what
nevsk [136]

The value of x in CuSO4. xH2O is 5.

Given that;

Number of moles of anhydrous salt = Number of moles of hydrated salt

Number of moles of anhydrous salt = 319 × 10^-3

Mass of hydrated salt = 499 ×10^-3 g

Number of moles of anhydrous salt = 319 10^-3g/160 g/mol = 0.00199 moles

Number of moles of hydrated salt = 499 × 10^-3 g/ 160 + 18x

0.00199 =  499 × 10^-3 g/ 160 + 18x

0.00199 (160 + 18x) = 499 ×10^-3

0.318 + 0.036x = 0.499

0.036x = 0.499 - 0.318

0.036x = 0.181

x = 0.181/0.036

x = 5

Hence,  x in CuSO4. xH2O is 5.

Learn more: brainly.com/question/9743981

8 0
3 years ago
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