CHEMISTRY HIGH SCHOOL

How is energy transferred through the water cycle?



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Answer 1
Answer:

Answer:

The water cycle is driven primarily by the energy from the sun.

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For the chemical reaction C2H6 + 137 kJ C2H4 + H2, the chemical energy of thea. reactant is greater than the chemical energy of the products.
b. products is greater than the chemical energy of the reactant.
c. reactant and the chemical energy of the products are equal.
d. reaction is conserved.

Answers

The reaction C₂H₆+137kJ→C₂H₄+H₂ is endothermic since the energy is being absorbed by the reaction and not released.  We know this by the fact that the energy is on the reactants side of the reaction.  If the energy was on the products side of the reaction we would call it exothermic since energy would be being released.  Since this reaction is endothermic we know that the products will have more energy than the reactants which means that the answer is B.

(the equation in the question does not have an arrow in it so I assumed it was between the 137kJ and C₂H₄).

I hope this helps.  Let me know if anything is unclear.

Answer:

The chemical energy of C2H4 and H2 is greater than the chemical energy of C2H6 .

Explanation:

How do you get from mass to moles in this problem?

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Answer:

what problem?

Which pair of compounds can be classified as inorganic? A) nucleic acids and minerals B) proteins and water C) water and salts D) nucleic acids and proteins

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Answer:

The correct answer is option c) water and salts

Explanation:

Organic compounds contain carbon and hydrogen bonds. Both nucleic acids and proteins contain these. Water (H2O) and salts (Ex:NaCl) do not.

Final answer:

The pair of compounds that can be classified as inorganic from the given options are water and salts. These lack a carbon-hydrogen bond, unlike nucleic acids and proteins, which are organic.

Explanation:

The pair of compounds that can be classified as inorganic are water and salts. Inorganic compounds are defined as compounds that do not contain a carbon-hydrogen bond, which makes them different from organic compounds. Both water (H2O) and salts, like table salt (NaCl), do not contain any carbon-hydrogen bonds, so they are considered inorganic compounds. On the other hand, nucleic acids and proteins are both complex structures that include carbon-hydrogen bonds, making them organic compounds.

Learn more about Inorganic Compounds here:

brainly.com/question/19815727

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All of the following statements about electrons are true except?

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A . Electrons are found in the nucleus of an atom

According to your information, it would be your answer,

Hope this helps!

Draw a model that compares the arrangement of the subatomic particles of oxygen-16 to another isotope, oxygen-18.​

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Explanation:

Answer and Explanation:

Oxygen-16 and oxygen-18 differ in structure only in that oxygen-18 has two more neutrons in its nucleus than oxygen-16 has.

There are three known stable isotopes of oxygen (8O): 16O, 17O, and 18O. Radioactive isotopes ranging from 11O to 26O have also been characterized, all short-lived.

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How many moles of atoms are in 5.00 g of 13C

Answers

0.384 moles of atoms are in 5.00 g of ¹³C of isotope.

How we calculate moles?

Moles of any substance will be calculate by dividing the given mass of the substance to the molar mass of that substance.

In the question given that:

Given mass of carbon = 5grams (because isotope of carbon is present ¹³C)

Molar mass of carbon = 13g/mol (because isotope of carbon is present ¹³C)

Moles of carbon = 5grams / 13g/mol

Moles = 0.384 moles

Hence, 0.384 moles is the required moles.

To know more about moles, visit the below link:

brainly.com/question/300875
  Mr = 13 g / mol 
mass = 5 g 
Mol = 5/13 mol :)
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