3 years ago

What does visible light include?

Chemistry

1 answer:

Hoochie [10]3 years ago

4 0

I believe visible light is made from photons

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The value of h for the reaction below is -73 kj how many kj of heat are released

jarptica [38.1K]

If the value of H is positive, it means you have to add that much heat to complete the reaction. If H is negative, it means that much heat is released during the chemical process. Because it is -73 kJ, 73 kJ of heat are released in the reaction.

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3 years ago

Which is the best term to use when describing the energy of position?

Minchanka [31]

Answer: potential.

Chemical energy is the energy provided by a chemical reaction.

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Electromagnetic energy. is propagated by waves: radio waves, infrared radiation, microwaves, etc.

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How many grams of sodium chloride are contained in 250.0 g of a 15% NaCl solution?

kramer

Given concentration of NaCl=15%

Means ,