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Vinil7 [7]
3 years ago
12

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%
Chemistry
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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How much silver is produced is 15.00 grams of cu is added to the solution of excess silver nitrate?
il63 [147K]
First write out the balanced equation. 3Cu+2Ag(NO3)3=2Ag+3Cu(NO3)2
Then convert copper from grams to moles
15 g*1 mol cu/63.54 g= 15/63.54 mol cu
Then use the mole ratio to convert Moles Cu to Moles Ag
15/63.54 moles Cu* 2 moles Ag/3 moles Cu
The final awnser is (15*2)/(63.54*3) moles Ag =0.157 moles Ag. If the question wants the answer in grams, convert from moles Ag to grams Ag.
0.157 moles Ag*107.87 g Ag/ mol Ag=16.98 g Ag
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3 years ago
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Answer:

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6 0
3 years ago
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Which equation describes the mass of an object in relation to its volume and density? a. m=DV b. m=D×V c. m=D+V d. m=VD
zhenek [66]

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6 0
3 years ago
If a chemical reaction catalyzed by an enzyme is being carried out, and there is a sudden, drastic decrease in temperature, what
LenaWriter [7]

If a chemical reaction catalyzed by an enzyme is being carried out, and there is a sudden, drastic decrease in temperature, the thing that will most likely to happen next is going to be the :

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Explanation:

This compliance is required to how enzymes bind to other molecules and cause chemical reactions to occur on those molecules. Lowering the temperature reduces the motion of molecules and atoms, expecting this compliance is reduced or lost. As the temperature decreases, so do enzyme activity. While higher temperatures do increase the activity of enzymes and the rate of reactions,

5 0
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7 0
3 years ago
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