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Sphinxa [80]
3 years ago
14

Which of the following resources is renewable?

Chemistry
2 answers:
ivann1987 [24]3 years ago
6 0
Wood is renewable. This is because more trees can always be planted. All the other choices are non-renewable.
Scilla [17]3 years ago
3 0
Wood because you can plant more trees to make wood
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What are the five main chemical compounds of life
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Carbohydrates,Lipids,Proteins,Nucleic acids,<span>Organic Compounds</span>

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!Chemistry help!<br> How many moles are in a 1500 mL solution with a 1.2 M?
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Calculate the mass of aluminum in 500 g of Al(C2H3O2)3
Luden [163]
Answer: 66.2 g

Explanation:

1) The ratio of Al in the molecule is  1 mol to 1 mol .

2) The mass of 1 mol of molecules of Al (CH2H3O2)3 is the molar mass of the compound.

3) You calculate the molar mass of the compound using the atomic masses of each atom, in this way:

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C: 2 * 3 * 12 g/mol = 72 g/mol
H: 3 * 3 * 1 g/mol = 9 g/mol
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Molar mass = 27 g/mol + 72 g/mol + 9 g/mol + 96 g/mol = 204 g/mol

4) Set a proportion:

    27 g/mol                x
-------------------- =  ----------
   204 g/mol            500 g

5) Solve for x:

x = 500 g * 27 g/mol / 204 g/mol = 66.2 g
5 0
3 years ago
Wuy Piolcululugu<br> Give the names of two organs in the chest.<br> 1. ...............<br> 2 m
Arada [10]

Answer:

The organs present inside the chest are :

1. The lungs

2. The heart

Explanation:

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It also contain the esophagus .

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8 0
3 years ago
The question is below
pogonyaev
The reaction that has the greatest tendency to be reversed in an spontaneous redox reaction is that whose forward standard reduction potential is the lowest (mos negative) one because that means that the reversed reaction will have the highest (most positive) standard reduction potential.

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Answer: the second option Cr(3+) + 3e-    ---> Cr(s)  Eo = -0.91 V
5 0
2 years ago
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