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IrinaVladis [17]
3 years ago
9

Which structure is found in producers in nearly all ecosystems?

Chemistry
2 answers:
Leno4ka [110]3 years ago
6 0
B :Chloroplasts - a plastid that contains chlorophyll
ahrayia [7]3 years ago
3 0
The answer is: Chloroplasts
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How much more would a 20.0 gallon tank for propane
Jet001 [13]

Answer: 20 + 1 + 3.8 + 2.4 +27 = 54.2

Explanation: 20 gallons plus 1 gallon plus 3.8 plus 2.4 plus 27 equals to a total number of 54.2 gallons for the propane.

3 0
2 years ago
Which gas would have the slowest rate of diffusion, assuming that all gases are at the same temperature?
Iteru [2.4K]

Answer: radon (atomic mass 222 amu

Explanation:

To calculate the rate of diffusion of gas, we use Graham's Law.

This law states that the rate of effusion or diffusion of gas is inversely proportional to the square root of the molar mass of the gas. The equation given by this law follows:

\text{Rate of diffusion}\propto \frac{1}{\sqrt{\text{Molar mass of the gas}}}

atomic mass of krypton= 83.8 amu

atomic mass of argon= 39.95 amu

atomic mass of xenon = 131.3 amu

atomic mass of radon= 222 amu

Thus as atomic mass of radon is highest, its rate of diffusion is slowest.

7 0
3 years ago
What does contact forces and non-contact forces mean?
Dmitrij [34]
A contact force is a force in which and object comes in contact with a another object. A non-contact force, is a force is an object applied by another body. (A good example of a non-contact force is gravity)
8 0
3 years ago
A form of carbon in which carbon atoms are arranged in a (n)__
abruzzese [7]

graphite is a form of carbon in which carbon atoms are arranged in a layer.

4 0
3 years ago
What is the molecular formula of each compound?<br> (c) Empirical formula HgCl (m = 5 472.1 g/mol)
beks73 [17]

The molecular formula of HgCl (m = 5 472.1 g/mol) is Hg2Cl4.

The molecular formula is an expression that defines the number of atoms of each element in one molecule of a compound. It shows the actual number of each atom in a molecule.

<h3>Molecular formula: What is it?</h3>

A chemical formula is a way to communicate information in chemistry about the proportions of atoms that make up a specific chemical compound or molecule. Chemical element symbols, numbers, and occasionally other symbols like parentheses, dashes, brackets, commas, and plus and minus signs are used to represent the chemical elements.

A molecule's molecular formula reveals which atoms and how many of each kind are included within it. No subscript is used if there is just one atom of a certain kind. A subscript is added to the symbol for an atom if it contains two or more of a certain type of atom.

To learn more about molecular formula visit:

brainly.com/question/14425592

#SPJ4

4 0
2 years ago
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