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Lena [83]
3 years ago
14

During the day, the temperature of the sand in a desert rises as the sand is heated by the sun. After the sun sets, the sand coo

ls. What happens to the heat energy in the sand as it cools?
Chemistry
2 answers:
Aleksandr [31]3 years ago
8 0
D) It is transferred to the air via the process of radiation.
abruzzese [7]3 years ago
8 0

Answer:

Deserts are the regions that cover little or no vegetation and there is no rainfall. Deserts are very hot in the day time and cold during the night time. It is because during the day time the sun heats up the sand, as a result of which the sand becomes very hot increasing the temperature. This increasing temperature in the desert is also because of the absence of rainfall and vegetation cover.

Thus, the desert area is rich in heat energy during the day time. But at night, the sand releases its heat energy back into the atmosphere through infrared radiation because the dry air cannot hold the heat anymore. This release of the heat energy allows the sands to cool, thereby dropping the temperature.

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The answer i got is 2.95 g Co
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Si Units Worksheet. Use si units to complete
Keith_Richards [23]

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\\ \bull\tt\dashrightarrow 10000g=10kg

\\ \bull\tt\dashrightarrow 10000m=10km

\\ \bull\tt\dashrightarrow 4000g=4kg

\\ \bull\tt\dashrightarrow 9km=9000m

\\ \bull\tt\dashrightarrow 3kg=3000g

\\ \bull\tt\dashrightarrow 90mm=9cm

\\ \bull\tt\dashrightarrow 4km=4000m

\\ \bull\tt\dashrightarrow 2000g=2kg

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8 0
3 years ago
Prform the following operation and express the answer in scientific notation 6.0 x 10^3-2.310^3
Marrrta [24]

The value 6.0 x 10^3- 2.3 × 10^3 in scientific notation is 3.7 × 10^3.

<h3> What is scientific notation?</h3>

Scientific notation is a way to write very large or very small numbers so that they are easier to read and work with.

You express a number as the product of a number greater than or equal to 1 but less than 10 and an integral power of 10 .

<h3>Why it is used? </h3>

There are two reasons to use scientific notation.

  • The first is to reveal honest uncertainty in experimental measurements.
  • The second is to express very large or very small numbers so they are easier to read.

Given,

= 6.0 x 10^3- 2.3 × 10^3

= (6.0 - 2.3) × 10^3

= 3.7 × 10^3

Thus, we find that the value 6.0 x 10^3- 2.3 × 10^3 in scientific notation is 3.7 × 10^3.

learn more about scientific notation :

brainly.com/question/18073768

#SPJ1

3 0
2 years ago
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lbvjy [14]

Answer:

fd

Explanation:

fff

3 0
3 years ago
¿Todos los solutos se disuelven en cualquier solvente?
Katen [24]

Answer:

No

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3 years ago
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