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3 years ago

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A rabbit takes in energy by consuming pine needles, clover, leafy weeds, etc. the rabbits use the majority of this energy to car

ry out its life activities if a wolf eats the rabbits what percentage of energy is lost between the topic levels? A. 10% B. 90% C. 20% D. 80%

1 answer:

alekssr [168]3 years ago

4 0

90% of energy is lost. only 10% is left.

therefore the answer is B. 90%

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2 years ago

The Environmental Protection Agency (EPA) and the National Highway Traffic Safety Administration (NHTSA) are coordinating standa

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3 years ago

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C9H20 +<br> 02 - > CO2 +<br> H2O<br><br> what is the balanced equation of this

san4es73 [151]

Hey there!

C₉H₂O + O₂ → CO₂ + H₂O

First let's balance the C.

There's 9 on the left and 1 on the right. So, let's add a coefficient of 9 in front of CO₂.

C₉H₂O + O₂ → 9CO₂ + H₂O

Next let's balance the H.

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C₉H₂O + O₂ → 9CO₂ + H₂O

Lastly, let's balance the O.

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2 years ago

What word best describes volume

alekssr [168]

Answer:

volume is the amount of space something occupies

Explanation:

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3 years ago

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Given a gas whose temperature is 418 K at a pressure of 56.0 kPa. What is the pressure of the gas if its Temperature changes to

Rainbow [258]

Answer: P₂=0.44 atm

Explanation:

For this problem, we are dealing with temperature and pressure. We will need to use Gay-Lussac's Law.

Gay-Lussac's Law: $\frac{P_{1} }{T_{1} } =\frac{P_{2} }{T_{2} }$

First, let's do some conversions. Anytime we deal with the Ideal Gas Law and the different laws, we need to make sure our temperature is in Kelvins. Since T₂ is 64°C, we must change it to K.

64+273K=337K

Now, it may be uncomfortable to use kPa instead of atm, so let's convert kPa to atm.

$56.0kPa*\frac{1000Pa}{1kPa} *\frac{atm}{101325Pa} =0.55atm$

Since our units are in atm and K, we can use Gay-Lussac's Law to find P₂.

$P_{2} =\frac{T_{2} P_{1} }{T_{1} }$

$P_{2}=\frac{(337K)(0.55atm)}{418K}$

P₂=0.44 atm

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3 years ago