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dybincka [34]
3 years ago
13

Which process can be used to power your home?

Chemistry
1 answer:
natima [27]3 years ago
5 0
It would be B.both solar thermal energy and solar electric energy.
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Based on the properties in Table 1, which example describes the best use of nitinol in a manufactured product?
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3 years ago
What does Gibbs free energy predict?
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Answer:

D. It predicts whether or not a reaction will be spontaneous.

Explanation:

<em>What does Gibbs free energy (ΔG) predict? .</em>

A. It predicts what the rate of the reaction will be. NO. ΔG is a thermodynamical parameter and it is not related to the kinetics of the reaction.

B. It predicts how high the activation energy is. NO. ΔG is a thermodynamical parameter and it is not related to the kinetics of the reaction.

C. It predicts if entropy will increase or decrease. NO. ΔG depends on the entropy but not the other way around.

D. It predicts whether or not a reaction will be spontaneous. YES. If ΔG < 0 the reaction is spontaneous and if ΔG > 0 the reaction is not spontaneous.

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2 years ago
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✅Show work regardless if student got answer  correct or incorrect

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q = (30.0g)(0.900J/goC)(50oC)

q = 1350 J

So, the right answer is 1350 J

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2 years ago
During a spectrophotometric analysis of an unknown, you measure your solution's absorbance, and the value is higher than the hig
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A) Dilute the unknown so that it will have an absorbance within the standard curve. Once the diluted unknown concentration is determined, the full strength concentration can be calculated if the dilution process is recorded. Beer's law only applies to dilute solutions, so diluting the unknown is better than making new standards.

Explanation:

Beer's law states that <em>absorbance is proportional to the concentrations of the absorbing species</em>. This is verified in the case of diluted solutions (0≤0.01 M) of most substances. <u>As a solution gets more concentrated, solute molecules interact between themselves because of their proximity. </u>When a molecule interacts with another, the change in their electric properties (including absorbance) is probable. That's why <u>the plot of absorbance versus concentration stops being a straight line</u>, and <u>Beer's law is no longer valid.</u>

Therefore, if the absorbance value is higher than the highest standard,  dilutions should be made. Once this concentration is determined, the full strength concentration can be calculated with the inverse of the dilution.

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3 years ago
Acts as the digestive system inside a cell. It helps to break down old or unneeded parts of the cell, and substances that have b
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Answer:

I think it is enzymes

Explanation:

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