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Cerrena [4.2K]
3 years ago
10

In an exothermic reaction, chemical energy is converted to

Chemistry
1 answer:
12345 [234]3 years ago
7 0

Answer:molten iron

Explanation:releases heat and light into surroundings

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A tank contains hermit crabs and frogs. What kinds of animals are inside of the tank? Check all that are true. fish invertebrate
aev [14]

Answer:

Vertebrates, invertebrates, and amphibians.

Explanation:

Vertebrates have backbones. Frogs have back bones.

Invertebrates do not have backbones. Hermit crabs do not have back bones.

Amphibians are cold-blooded vertebrate animals. Frogs are cold-blooded vertebrate animals.

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To calculate acceleration you must know both the objects velocity and _______________ 1pt
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Explanation:

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2 years ago
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If you have 12.5g of fluoride and 16.2g of sodium, which is the limiting reactant and how sodium fluoride in grams is your theor
Korvikt [17]

Answer:

F2 is the limiting reactant

27.6 grams of NaF is produced.

Explanation:

Balance the equation first.

2Na+ F2 ---> 2NaF

To find the limiting reactant, solve for how much NaF can be produced with Na and F2

12.5g F2 x (1 mole F2/ 38.00 grams F2)x (2 mole NaF/ 1 mole F2)

=0.658 moles NaF

16.2g Na x (1 mole Na/ 22.99 grams Na)x (2 mole NaF/ 2 mole Na)

=0.705 moles NaF

Since F2 produced the least NaF, F2 is the limiting reactant.

Now, to find how much NaF there is, use the moles solved above with F2 as the limiting reactant.

0.658 moles NaF x (41.99 grams NaF/ 1 mole NaF)= 27.6 moles NaF

27.6 moles of NaF would be theoretically produced.

8 0
3 years ago
C15H28 is the formula of
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Cyclopentadecene is it
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A battery contains two metals that have different tendencies to attract electrons. If one is lithium with an electron affinity o
Vitek1552 [10]

Answer:

I know that the electrons flow would be:  The electrons will flow from lithium to zinc.

Explanation:

But I also dont know what would make this an even stronger battery.

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2 years ago
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