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vichka [17]
3 years ago
6

Heat energy from the sun heats water on earth’s surface. The heated water evaporates and the water vapor rises into the air. As

the water vapor rises, it cools and condenses around dust particles, and returns to earth’s surface as precipitation. This is a
A.
the water cycle
B.
the oxygen cycle
C.
the heat cycle
D.
the carbon cycle
Chemistry
1 answer:
DaniilM [7]3 years ago
3 0

Answer:

A - The water cycle

Explanation:

Condensation is the process by which water vapor in the air is changed into liquid water. These clouds may produce precipitation, which is the primary route for water to return to the Earth's surface within the water cycle. Condensation is the opposite of evaporation.

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Which molecule is polar, based on structure?
Igoryamba

Answer:

Sulfur dioxide (SO2)

⇒ Why is this the best option?

To determine the polarity of the molecule, there are two requirements. The first one has a variety of terminal atoms, whereas the second has a lone pair on the center atoms. The molecule is polar if one of the requirements is met; else, it is nonpolar. The oxygen atom is a terminal atom because it surrounds the sulfur atom, which is the center element in the SO2 molecule's Lewis structure. In this molecule, there are two terminal oxygen atoms. If we look at the first criterion, we can see that it is not met because it calls for the presence of two separate terminal atoms.

#SPJ2

4 0
2 years ago
A sealed balloon occupies a volume of 250 mL at an unknown temperature. When the temperature is altered to 30 C, the balloon's v
Allushta [10]

Answer:

Initial temperature, T1 = 15°C

Explanation:

Given the following data;

Initial volume, V1 = 250 mL to Liters = 250/1000 = 0.25 L

Final temperature, T2 = 30°C

Final volume, V2 = 0.5 L

To find the initial temperature T1, we would use Charles' law.

Charles states that when the pressure of an ideal gas is kept constant, the volume of the gas is directly proportional to the absolute temperature of the gas.

Mathematically, Charles is given by;

\frac {V}{T} = K

\frac{V1}{T1} = \frac{V2}{T2}

Making T1 the subject of formula, we have;

T_{1}= \frac{V_{1}}{V_{2}} * T_{2}

Substituting into the formula, we have;

T_{1}= \frac{0.25}{0.5} * 30

T_{1}= 0.5 * 30

<em>Initial temperature, T1 = 15°C</em>

6 0
3 years ago
I need helpppp! i don’t understand this
Marta_Voda [28]

Answer: a. 410 K

b. 296 K

c. 394 K

d. -180 °C

e. 224°C

f. -3 °C

Explanation:

For °C to K : use °C + 273 = K

For K to °C : use °C = K - 273

4 0
3 years ago
Look at the diagram below.
damaskus [11]

Answer:

it will gain electrons to fill its outer shell

Explanation:

This element is boron which has 5 electrons.

6 0
2 years ago
What is the mass in grams, if you have 8.42 x 10^18 atoms of Bromine
Dahasolnce [82]

Answer:

84.2 grams

Explanation:

you have to multiply 8.42x10^18 to get the answer above

8 0
3 years ago
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