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Nat2105 [25]
3 years ago
6

ASAP! —Will Give Brainliest!Now that the lab is complete, it is time to write your lab report. The purpose of this guide is to h

elp you write a
clear and concise report that summarizes the lab you have just completed.
The lab report is composed of four sections:
Section 1: Experimental Overview

- Provide background information
- Include the hypothesis(es).

Summarize the procedures.
Section II: Data and Observations

- Summarize the data you collected in the lab guide.
Include information from data tables
- Include any written observations that are relevant.

Section III: Analysis and Discussion

- Discuss any important calculations or formulas used.
- identify key results, what the results indicate, and any trends in the data.
- Include graphs (if constructed) that display trends in the data.
- Provide possible reasons for any problems with the experiment, or unexpected data.

Section IV: Conclusions
o identify if the hypothesis(es) was (were) supported or refuted

- Provide logical reasoning based on data.
- Explain how the experiment could be improved.

Questions I have not answered yet. Please help me out:

-What do the key results indicate?

- If you constructed graphs, what trends do they indicate in your data?

-Were there any problems with the experiment or the methods? Did you have any surprising results?

- What do the results tell you about your hypothesis?

- How does the data support your claim above?
Chemistry
1 answer:
shtirl [24]3 years ago
3 0
Five points to do all the
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Balancing Chemical Equation<br> Na+Br2=NaBr
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Answer:

2Na + Br2 = 2NaBr

Explanation:

In order to balance a chemical equation you make the make sure both sides have the same number of atoms on each side, you do this by multiplying on both sides as if it was a algebraic equation.

Na+ Br2 = NaBr

Na × 2 = Na2

Na × 2 = Na2

Br × 2 = Br2

2Na + Br2 = 2NaBr

Hope this helps.

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5 0
3 years ago
Calculate the standard entropy of vaporization of ethanol at its boiling point, 352 K. The standard molar enthalpy of vaporizati
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Answer : The correct option is, (b) +115 J/mol.K

Explanation :

Formula used :

\Delta S=\frac{\Delta H_{vap}}{T_b}

where,

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

\Delta S=\frac{\Delta H_{vap}}{T_b}

\Delta S=\frac{40.5kJ/mol}{352K}

\Delta S=115J/mol.K

Therefore, the standard entropy of vaporization of ethanol at its boiling point is +115 J/mol.K

8 0
3 years ago
Zachary adds 9.7 g to 1.114 g.<br> How many significant figures should his answer have?
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