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baherus [9]
3 years ago
11

Which factor contributes to both chemical and mechanical weathering?

Chemistry
2 answers:
kupik [55]3 years ago
6 0

Answer:

Water!

Explanation:

I’m taking the test

kenny6666 [7]3 years ago
3 0

Answer:

it is water

Explanation:

got it right on the quiz

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How much heat is needed warm 65.34 g of water from 18.43 to 21.75
BaLLatris [955]

Given that  

Mass of water = 65.34 g

Amount of heat = mass of water * specific heat (temperature change

)

= 65.34 g * 4.184 J / g-C ( 21.75-18.43 )C

= 907.63  J  

= 0.908 KJ

And  

1 cal = 4.186798 J

907.63 J * 1 cal / 4.186798 J =216.78  cal

Or0.218 kcal  


5 0
3 years ago
An analysis of a sugar compound is found to contain 132 grams of carbon (C), 22 grams of hydrogen (H), and 176 grams of oxygen (
ddd [48]
132 g of C  ,   22 g of H   , 176 g of O

132 + 22 + 176 => 330 g <span>of the substance

</span>Now convert the masses in <span>moles :
</span>
C = 12.0 u        H = 1.0 u       O = 16.0 u

C = 132 / 12.0 => 11 moles

H = 22 / 1.0 => 22 moles

O = 176 / 16.0 => 11 moles

Using the values obtained the lowest proportion in mols of elements present, simply divide the values found for the least of them<span>:
</span>
C = 11 / 11 => 1

H = 22 / 11 => 2

O = 11 / 11 => 1

 formula empirically <span>is : CH</span>₂O

hope this helps!


8 0
3 years ago
Which of the 4 macromolecules is the most important for a cell to carry out metabolism and maintain homeostasis?
azamat

Answer:

Carbs,lipids,proteins,nuclei acids

Explanation:

3 0
2 years ago
Label one of the test tubes Fe2+. Add 4 milliliters of iron(II) sulfate to the test tube.
Mila [183]

Answer: A: Has little to no reaction; might turn slightly red in color. B: The liquid grows darker in color to a more reddish tone.

Explanation: I didn’t have the necessary materials to complete the experiment so the teacher told me and I put it in my own words.

8 0
3 years ago
Which of the following is NOT a possible clue that a chemical change has
Ulleksa [173]

Answer:

ok

Explanation:

Which of the following is NOT a possible clue that a chemical change has

taken place? *

A change of color

O A change of state

Production of gas

Formation of a precipitate

3 0
3 years ago
Read 2 more answers
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