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Otrada [13]
3 years ago
8

Which electromagnetic waves are used in ovens and cell phone communications

Chemistry
2 answers:
yuradex [85]3 years ago
8 0
Thermal energy
hope it helps!
densk [106]3 years ago
7 0
Ovens use microwaves. Believe it or not, thats the name
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What type of force is produced when two objects are in contact, then move (or try to move) past each other?
Gnesinka [82]

Answer:

A. Frictional

Explanation:

Friction is the force created when two solid objects in contact try to move past each other.

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3 years ago
Calculate each of the following quantities.<br> (a) mass in kilograms of 3.7 x 1020 molecules of NO2
HACTEHA [7]

Answer:

The answer to your question is:  0.028 kg of NO2

Explanation:

Data

3.7 x 10²⁰ molecules of NO2 in kg

MW of NO2 = 14 + (16 x 2) = 14 + 32 = 46 kg

                   1 mol of NO2 ---------------------  6.023 x 10 ²³ molecules

                   x                     --------------------- 3.7 x 10²⁰ molecules

                   x = 3.7 x 10²⁰ x 1 / 6.023 x 10 ²³

                   x = 0.00061 mol

         

                 1 mol of NO2 ---------------------  46 kg of NO2

                 0.00061 mol     ------------------    x

                 x = 0.00061 x 46/1

                x = 0.028 kg of NO2

7 0
3 years ago
In the covalent bond between hydrogen and chlorine in the HCl molecule, where will the majority of shared electrons be found?
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Nearer to the chlorine as it has a greater electronegativity 
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A hydrocarbon, containing only C and H, can react with excess oxygen gas to produce carbon dioxide and water. The result of the
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I believe the answer you are looking for would be HC

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3 years ago
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What is the most abundant greenhouse gas in the atmosphere?.
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Water vapor is the most abundant greenhouse gas in the atmosphere.

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2 years ago
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