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TiliK225 [7]
4 years ago
5

Name a device or other object whose major purpose is to convert

Chemistry
1 answer:
Alenkinab [10]4 years ago
4 0

Answer:

Storage battery oe cell

Explanation:

The storage battery or cell is a device that coverts chemical energy into light energy when required.

During charging of battery, there is some chemical changes in the battery and absorb energy. The absorbed energy is converted into electrical energy when connected to an external load.

Hence, the correct answer is "Storage battery or cell".

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The exponents in the rate law of an elementary step are always equal to the coefficients of each species in the balanced reactio
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Answer:

True

Explanation:

True. Since in an elementary step , the reaction procedes by collision of the atoms of reactants involved and since the rate of collision is proportional to the concentration of each atom that participates in the elementary step , the exponents in the rate law of the elementary step always coincides with the coefficients that correspond to that reaction ( regardless if is unimolecular, bimolecular or trimolecular).

7 0
3 years ago
What number do you get when you multiply 6 and 7 together?
dem82 [27]

You get 42 when you multiply 6 & 7.

4 0
4 years ago
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If an airplane travles 4000 miles south in 8 hours what is its velocity
Agata [3.3K]

Answer:

Velocity = Distance Covered÷Time Taken

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3 years ago
Hess Law question. please hahah
saveliy_v [14]

Answer: The Answer is minus 221kj.

Explanation: Solved in the attached picture.

7 0
3 years ago
How do I solve this?
Oliga [24]

Answer:

The heat contained is 1236 Joules

Explanation:

As we know

Q = mc\DeltaT

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c is the specific heat of water (ice) = 2.06 joules/gram

Substituting the given values, we get -

Q = 20 * (-15+45)*2.06\\Q = 20*2.06*30\\Q = 1236Joules

6 0
3 years ago
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