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Ne4ueva [31]
3 years ago
15

Yo plz help no links like I’m really finna lose it

Chemistry
2 answers:
Rufina [12.5K]3 years ago
7 0

Answer:

a. Solar

Explanation:

Solar energy causes water to evaporate, which is the driving force of the water cycle. Water from the ocean evaporates and comes back down as rain and it gives life to the Earth and so it continues.

vazorg [7]3 years ago
4 0
Answer : A. Solar

Explanation : The sun provides its solar energy which causes liquid and frozen water to evaporate into water vapor. This water vapor rises into the sky to form clouds, and from there on the clouds move over the globe and drop rain and snow, and from there on the water cycle continues.
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Why does Hess's law allow you to determine the enthalpy change of a<br> reaction?
lana [24]

Enthalpy is a state function

Explanation:

The Hess's law allows us to determine the enthalpy change of a reaction because enthalpy is a state function. It does not depend on the individual path take in going from reactants to products in the reaction.

  • Enthalpy changes are the heat changes accompanying physical and chemical changes.
  • It is the difference between the heat content of product in the final state and the reactants.
  • Enthalpy changes for some reactions are not easily measurable experimentally.
  • To calculate such heat changes, we apply the Hess's law of heat summation.
  • The law states that "the heat change of a reaction is the same whether it occurs in a step or several steps".
  • The Hess's law is simply based on the first law of thermodynamics by which we know that energy is conserved in every system.

learn more:

Hess's law brainly.com/question/11293201

#learnwithBrainly

5 0
3 years ago
From goal line to goal line, a football field is 300 ft long. If a player catches the ball while standing on one goal line, runs
KATRIN_1 [288]

Answer:

The player ran 91.44m.

Explanation:

The problem gives you the total distance between goal line to goal line in feet, and the answer must be given in meters, so you should convert the distance the player run from ft to m, because the player run the same distance from goal line to goal line to scores the touchdown.

So, you should apply the following conversion factor:

300ft*\frac{0.3048m}{1ft}= 91.44m

The player ran 91.44m.

3 0
3 years ago
How is dry ice different from ordinary ice?
True [87]

Answer: Well "ordinary ice" is made from water (as we all know) and dried ice is made from carbon dioxide gas

Explanation:

•Hope this helps•

5 0
3 years ago
Which two structures would provide a postive idenfitacation of a plant cell under a microscope
schepotkina [342]
Chloroplast, its where photosynthesis happens and the cell wall which only plants fungi and bacteria have.
8 0
3 years ago
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Which of the following reactions are possible if sodium is more reactive than aluminum, 3 iron, and lead?
Deffense [45]

Answer:

Reaction I: Sodium + Aluminum chloride →Sodium chloride + Aluminum

Explanation:

Sodium being more reactive means that it will take the place of aluminium in whats called a displacement reaction and form.

Sodium chloride + Aluminum

8 0
3 years ago
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