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frez [133]
3 years ago
9

Explain why the population of trout might increase if the population of frogs decreased

Biology
1 answer:
Likurg_2 [28]3 years ago
4 0
If this question has the same illustration as to the other ones posted before, well, here is a brief explanation why the <span>population of trout might increase if the population of frogs decreased.

Trout is a fish living in freshwater. When trout lay eggs, eventually adult frogs (amphibians)  will take them as their food. If there are frogs living in the freshwater where trouts live, then trout wont be able to breed fingerlings.Therefore, if the population of frogs decrease, population of trouts increase.</span>
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Gold has a specific heat of 0.129 J/(g×°C). How many joules of heat energy are required to raise the temperature of 15 grams of
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Answer:

\boxed {\boxed {\sf 121.905 \ J  }}

Explanation:

We are asked to find the energy given mass, specific heat, and change in temperature. Therefore, we must use this formula;

q= mc \Delta T

The mass is 15 grams and the specific heat is 0.129 J/(g×°C). Let's calculate the change in temperature.

  • ΔT= final temperature - initial temperature
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Now we know all the values:

m= 15 \ g \ \\c= 0.129 \ J / (g* \textdegree C) \\\Delta T= 63 \ \textdegree C

Substitue the values into the formula.

q= (15 \ g)( 0.129 \ J / (g* \textdegree C)) ( 63 \ \textdegree C)

Multiply the first numbers together. The grams will cancel.

q= (1.935 \ J/ \textdegree C) ( 63 \ \textdegree C)

Multiply again, this time the degrees Celsius cancels.

q= 121.905 \ J

<u>121.905 Joules</u> are required.

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