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vovangra [49]
3 years ago
12

(05.03 MC)

Chemistry
1 answer:
max2010maxim [7]3 years ago
5 0

Answer: It's C brighter than

Explanation: Because if a star is bigger it's obviously going to be more brighter and l took the test and l got it right!

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The combination of oxygen with other substances to produce new chemical products is called
Flauer [41]

Answer:

                 The combination of oxygen with other substances to produce new chemical products is called <u>Oxidation</u>.

Explanation:

                     Oxidation reactions are defined as,

In terms of Inorganic chemistry:

                 (i) <u>Removal of Electrons: </u>

                            Example:  Mg  →  Mg²⁺  +  2 e⁻

                (ii) <u>Addition of Oxygen:</u>

                            Example:  2 Mg  + O₂  →  2 MgO

In terms of Organic chemistry:

                (i) <u>Addition of Electrons: </u>

                            Example:  Cl₂  +  2 e⁻   →   2 Cl⁻

                (ii) <u>Addition of Hydrogen:</u>

                            Example:  H₂CCH₂  +  H₂    →   H₃CCH₃

4 0
3 years ago
What is the energy of light with a wavelength of 697 nm?
USPshnik [31]

Answer:

Red 697 nm

384thz-468 the

1.59ev-1.94ev

255zj-310zj

Hopefully I answer yre question

Explanation:

8 0
3 years ago
1. which is not a component of biodiversity
Vera_Pavlovna [14]
The answer is C, i just took the k-12 test~
8 0
3 years ago
What is the equation for SHC? Give all<br> units
barxatty [35]

Answer:

Q=mcΔT

Explanation:

The formula for expressing the amount of heat transferred between energy stores is given by the equation. The specific heat capacity of water is 4180 J/kgoC (Joules per kilogram per degree), this means it takes 4180 J of heat energy to raise the temperature of 1 kg of water by 1oC.

3 0
2 years ago
In which of these processes is energy transferred by the motion of cold and hot matter? Choose the correct answer.
liubo4ka [24]
Letter B - Convection
8 0
3 years ago
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