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Mama L [17]
3 years ago
11

Hormones taken as medicine can harm fish when the hormones end up in waterways. What does this show about the impact of chemical

s on the environment?
A. The benefits people get from the medicines are more important than the harm to the fish.
B. Chemicals that are added to water always have harmful effects.
C. Chemicals that help people may harm the environment.
D. People should not take medicine that could pollute the environment.
Chemistry
1 answer:
iragen [17]3 years ago
3 0
The answer to this is C. 
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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:

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

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According to stoichiometry :

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

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4 0
3 years ago
I need help with this ASAP PLEASE
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439.3 g CO2

Explanation:

First find the # of moles of CO2 that results from the combustion of 3.327 mol C3H6:

3.227 mol C3H6 × (6 mol CO2/2 mol C3H6)

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= 439.3 g CO2

5 0
3 years ago
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