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disa [49]
3 years ago
9

I need help with this pleas ASAP this is over due

Chemistry
1 answer:
Trava [24]3 years ago
8 0
The answer is B.

Electrons emit energy when they return from the excited state to the ground state.
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Sam noticed on a climate map that most of the areas with high rainfall and a tropical climate were located in one region. Why ar
denis23 [38]

Answer:

Okay here's the answer ↓

Step-by-step explanation:

Tropical climate is one of the five major climate groups in the Köppen climate classification. Tropical climates are characterized by monthly average temperatures of 18 ℃ (64.4 ℉) or higher year-round and feature hot temperatures. Annual precipitation is often abundant in tropical climates, and shows a seasonal rhythm to varying degrees. There are normally only two seasons in tropical climates, a wet season and a dry season. The annual temperature range in tropical climates is normally very small. Sunlight is intense because they are receiving direct sunlight.

5 0
3 years ago
How many moles are in 5.30 X 1023 molecules of H2O?
arlik [135]

Answer:

0.880 (0.88039867109 to be exact)

Explanation:

To convert from molecules to moles, simply divide by Avogadro's number which is 6.02 x 10^23

So, 5.30x10^23/6.02x10^23 = 0.880

6 0
3 years ago
A change in temperature is called a temperature _______________?
RUDIKE [14]
A change in temperature is called a temperature change
3 0
3 years ago
Which feature is shared by all three-carbon monosaccharides?
Orlov [11]

They are all pentoses. In their linear forms, they all contain carbon carboxyl and several hydroxyl functional groups. In their linear forms, they all contain a carbonyl and several hydroxyl functional groups.

Carbon is a chemical element with the symbol C and atomic number 6. Carbon is a non-metal and is tetravalent. That atom donates four electrons to form a covalent chemical bond. It belongs to group 14 of the periodic table. Carbon makes up only about 0.025% of the Earth's crust.

Carbon is used in some form in almost every industry in the world. It is used as fuel in the form of coal, methane gas, and crude oil (used to make gasoline). It is used to make all sorts of materials, including plastics and alloys such as steel (a combination of carbon and iron). Carbon is also found in fossil fuels such as petroleum (crude oil), coal and natural gas. Carbon is also found in dead, decaying animals and animal waste soils. Carbon is stored in the biosphere of plants and trees.

Learn more about  carbon here

brainly.com/question/141693

#SPJ4

8 0
2 years ago
Why is desertification a problem?
Gnesinka [82]
Because if all the trees and grasslands are to disappear and turn into deserts then there would be no oxygen for us
6 0
3 years ago
Read 2 more answers
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