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creativ13 [48]
3 years ago
10

HELPPPPPPPPPPPPP PLEASE. Name the three different groups organisms are placed in based on how they get their food. Explain how t

hey differ from one another.
Chemistry
1 answer:
Ket [755]3 years ago
8 0

Answer:

Producers, consumers and decomposers

Explanation:

Producers can make their own food by capturing the sun's energy, but consumers and decomposers can't. Consumers need to eat other organisms to obtain energy. Decomposers are like the recyclers of nature. They obtain energy for their own needs while returning simple molecules to the environment.

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3 years ago
For the complete combustion of 47 g of gasoline (octane, C8H18) , the mass of oxygen consumed is
aleksklad [387]

Answer: d) 164.9 g

Explanation:

To calculate the moles :

\text{Moles of solute}=\frac{\text{given mass}}{\text{Molar Mass}}     \text{Moles of octane}=\frac{47g}{114g/mol}=0.412moles

The balanced chemical reaction is:

2C_8H_{18}(l)+25O_2(g)\rightarrow 16CO_2(g)+18H_2O(g)  

According to stoichiometry :

2 moles of C_8H_{18} require = 25  moles of O_2

Thus 0.412 moles of C_8H_{18} will require=\frac{25}{2}\times 0.412=5.15moles  of O_2

Mass of O_2=moles\times {\text {Molar mass}}=5.15moles\times 32g/mol=164.9g

Thus 164.9 g of oxygen is consumed.

4 0
3 years ago
For most substances, the distance between the particles is smallest when the substance
olchik [2.2K]
Is a solid? has strong intermolecular forces? 
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KOH + _co2 -_ксоз + _Н,0
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6 0
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How many moles of gas are contained in 890.0 mL at 21.0 at C degrees and 750.0 mm Hg pressure?
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