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den301095 [7]
3 years ago
12

__________ refers to the total energy of a system.

Chemistry
2 answers:
erik [133]3 years ago
8 0
The internal energy r<span>efers to the total energy of a system. The enrgies are kinetic energy and potential energy of the system that makes up the whole energies of the system.</span>
omeli [17]3 years ago
6 0
Enthalpy refers to the total energy of a system. Enthalpy is basically a thermodynamic unit of measurement that determines the total heat content of a system. This means that all energy is included in the measurement - the energy used to make the system, the energy of the system, and the energy it uses to keep the environment separate from the system.
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Answer from Edgenuity

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2 years ago
A solution has a pH of 2.5. What is its [OH-] ?
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Explain why the dissolved component does not settle out of a solution
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<span>explain why the dissolved component does not settle out of a solution -
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3 years ago
Question 6
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Answer:

the answers 5, also did u finish ur ia yet,

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5 0
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The student plans to conduct a spectrophotometric analysis to determine the concentration of Cu2+(aq) in a solution. The solutio
mestny [16]

Answer:

The wavelength the student should use is 700 nm.

Explanation:

Attached below you can find the diagram I found for this question elsewhere.

Because the idea is to minimize the interference of the Co⁺²(aq) species, we should <u>choose a wavelength in which its absorbance is minimum</u>.

At 400 nm Co⁺²(aq) shows no absorbance, however neither does Cu⁺²(aq). While at 700 nm Co⁺²(aq) shows no absorbance and Cu⁺²(aq) does.

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