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nalin [4]
3 years ago
15

A company wants to develop audio speakers using an inexpensive type of plastic that has a very high quality of sound output. Whi

ch customers would most likely give a high evaluation of this product?
A. those who want to save money and will use the product for only a few years
B. those who want a top-quality product no matter how much it costs
C. those who want to save money and use the speakers for a long time
D. those who want a long-lasting product and are willing to pay a high price
Chemistry
1 answer:
olga nikolaevna [1]3 years ago
6 0

Answer:

a

Explanation:

Just took the test

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Brut [27]

Answer:

-205.7kj

Explanation:

Now adding reaction 2 and twice of reaction 3 and reverse of reaction 1, we get the enthalpy of the reaction.

The expression for enthalpy for the following reaction will be,

where,

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Now put all the given values in the above expression, we get:

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3 years ago
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Answer:

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Explanation:

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3 years ago
What is the kinetic energy of a 5 kg object moving at 7 m/s?
valina [46]

Answer:

122.5 Joule, or 122.5 j

Explanation:

Given,

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Kinetic energy is the energy that an object gains as the result of the motion.  It also depends on the mass of the object and force with which the motion is applied.  In the given question, the mass of the object is 5 kg and the force of the velocity by which it is moving is 7 m/s.

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