The overall flow of energy through an ecosystem is from

Chemistry

1 answer:

Alik [6]2 years ago

7 0

Answer:

So, I don't know if this is 100% correct, but, I believe it's B.photosynthetic organisms to herbivores to carnivores and decomposers. I'm so sorry if it's wrong!

Explanation: looked all over go ogle.

Have a good morning, afternoon, or night!

~Dreamer1331~

*please mark brainliest when possible, if correct, and if you feel I deserve it, Thank you!*

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15.0 mL of an unknown clear liquid is added to a 50 mL graduated cylinder. The mass of the liquid is determined to be 12.7 grams

sveticcg [70]

Answer:

$\boxed {\tt A. \ d=0.85 \ g/mL}$

Explanation:

Density is found by dividing the mass by the volume.

$d=\frac{m}{v}$

The mass of the liquid is 12.7 grams.

We know that 15 mL of this liquid was added to a 50 mL graduated cylinder. Therefore, the volume is 15 mL. The 50 mL is not relevant, it only tells us about the graduated cylinder.

$m= 12.7 \ g\\v= 15 \ mL$

Substitute the values into the formula.

$d=\frac{12.7 \ g}{ 15 mL}$

Divide.

$d=0.846666667 \ g/mL$

Round to the nearest hundredth. The 6 in the tenth place tells us to round the 4 to a 5.

$d \approx 0.85 \ g/mL$

The density of the liquid is about 0.85 grams per milliliter and choice A is correct.

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how much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 60% antifreeze?

antoniya [11.8K]

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Volume of water = total vol - antifreeze vol
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3 years ago

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Nucleic Acids are polymers made of nucleotideds

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