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il63 [147K]
3 years ago
14

+

Chemistry
1 answer:
sp2606 [1]3 years ago
5 0

Answer:

9.6

sanapo makatulong ako

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There are two types of physical changes and chemical reactions- endothermic and exothermic. On the diagram below, which picture
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it is b because its releases heat in to all directions and not b because it staying inside and not releasing anything :)

Explanation:

6 0
4 years ago
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What is a polar air mass?<br> What is a tropical air mass?
aalyn [17]

Answer: Polar air mass is the large mass of air formed over land or water in higher latitudes. They are characterized by cold air.

Tropical air mass is the large mass of air that is formed 25 degrees latitude of the equator. They are characterized by warm air.

Explanation:

Polar air mass is known for cold air near earth's surface. Polar air mass takes place in cold regions like Arctic region.

Unlike tropical air mass, polar air mass brings cold and dry air weather in winter season.

Continental polar mass takes place in cold, stable and low humid areas like subpolar land. Whereas, maritime polar air mass forms over oceans which are cool and located in polar region.

Tropical air mass is characterized by warm to hot air. But, as this air mass move away from their latitude of origin, they get cooled down. This phenomenon mostly result in precipitation and storms in Unites States. This also shows that tropical air mass contains moisture. They are usually prone to sudden changes.

Continental tropical air mass is produced over desert areas of the world during summer, when its hot. While, maritime tropical air mass is produced over tropical and subtropical oceans and seas in the world.

8 0
3 years ago
Na: 1s22sC2pP3s<br> C=<br> D=<br> E=
KengaRu [80]

Answer

1s22s22p63s1

Explanation:

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3 years ago
When you are getting up for school in Texas, a student on the other side of earth is getting ready for bed what is the reason fo
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might be D

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4 0
3 years ago
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The human eye contains a molecule called 11-cis-retinal that changes shape when struck with light of sufficient energy. The chan
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Answer:

1.21 × 10⁻³⁰ m

Explanation:

1 mol of photons causing the change in the conformation of 11-retinal has an energy of 164 kJ. We can find out the wavelength (λ) associated with this energy (E) using the Planck-Einstein equation.

E = h . c . λ⁻¹

where,

h is the Planck's constant

c is the speed of light

λ = h . c . E⁻¹ = (6.63 × 10⁻³⁴ J × s) × (3.00 × 10⁸ m/s) × (164 × 10³ J)⁻¹ = 1.21 × 10⁻³⁰ m

3 0
3 years ago
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