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Nikolay [14]
3 years ago
13

Which of the following has the ability to turn light energy into chemical energy? A. a generator B. an automobile C. a tree D. w

ater
Chemistry
2 answers:
densk [106]3 years ago
7 0
C. A tree          Trees can turn light into chemical energy using photosynthesis. 
Bezzdna [24]3 years ago
7 0
Right answer of your questions is C
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How do you know that a sealed calorimeter is a closed system?
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Answer: Option (c) is the correct answer.

Explanation:

When a system is open then there will be exchange of energy between the system and surrounding.

Whereas when a system is closed then there will be no exchange of energy, that is, thermal energy will not flow into the atmosphere.

Thus, we can conclude that a sealed calorimeter is a closed system because thermal energy is not transferred to the environment.

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3 years ago
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When rocks return to the Earth's mantle, they can eventually melt and become magma. _______ and _______ are the main factors tha
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C. 49.8 grams of ki is dissolved in enough water to make 1.00 l of solution. what is the molarity?
taurus [48]

Hey There!:


Molar Mass KI => 166.003 g/mol


* number of moles:


n = mass of solute / molar mass


n = 49.8 / 166.003


n = 0.3 moles KI


Therefore:


M = n / V


M = 0.3 / 1.00


M = 0.3 mol/L


hope this helps!

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3 years ago
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If you move a substance from one container to another and its volume changes substance is?
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If you move a substance from one container to another and its volume changes substances is gas. 
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What is the correct iupac name of CH3-CH2-CH2CHO ?
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the correct IUPAC name of the compound is 1-Butanal.

<h3>What are IUPAC names?</h3>

It is a system of naming organic compounds based on the longest carbon-to-carbon single bonds. It does not matter whether these longest chains are continuous or in a ring.

Thus, when the compound with the chemical formula, CH3-CH2-CH2CHO is considered. The longest carbon-to-carbon chain is 4. The 1st carbon carries a functional group known as an aldehyde.

Aldehydes are equipped with the carbonyl group and have the general formula R−CH=O. They are also sometimes referred to as formyl.

Aldehydes are named after their parent alkane chains with a slight modification. The 'e' is replaced with 'al'

The aldehyde in this case has four carbons. This means that the parent alkane is Butane. Therefore, the name of the compound will be 1-Butanal.

More on IUPAC names can be found here: brainly.com/question/16631447

#SPJ1

4 0
2 years ago
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