Category: Chemistry

ABOUT ALL THERMODYANMICS

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Preparation of Raw Materials

Explain how you are handling the fruit to ensure consistency.

Source and Maturity: State if the Guyabano is overripe or ripe and where it was sourced.

Extraction: Describe the cleaning and peeling process. Are you using a mechanical press, or is it manual extraction?

Must Preparation: Mention if you are adding water (dilution ratio) or adjusting the initial sugar content (Brix level).

2. Fermentation Parameters

This is the “heart” of your methodology. Tutors will need to know:

Yeast Type: Are you using Saccharomyces cerevisiae (commercial wine yeast) or a wild strain?

Inoculation: How much yeast is added per liter of must?

Environment: Specify the fermentation temperature (e.g., room temperature) and the duration (e.g., 2 to 4 weeks).

Anaerobic Setup: Describe the fermentation vessel and the use of an airlock to prevent oxy. Data Collection & Testing

What exactly are you measuring to prove the wine is successful?

Chemical Properties: Mention if you are testing for pH levels, Alcohol by Volume (ABV), and Titratable Acidity.

Sensory Evaluation: If you are using a panel to rate the wine, mention the Hedonic Scale (e.g., 9-point scale for taste, aroma, and color).

4. The “Alternative” Element

Since your title mentions “Alternative Raw Materials,” clarify your Control Group vs. Experimental Group:

Control: A standard fruit wine (like grape or a common commercial method).

Experimental: The Guyabano-based must.gen entry.

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All ch questions

Study the graph and answer the following questions on a separate sheet of paper:

1. What type of relationship exists between NO2 and O3 between March 14th and March 16th?

2. Calculate the number of moles of O3 in 1.730 m3, consumed on March 14th. Assume an average temperature of 25oC and pressure of 1.00 atm. Note that the number of moles of O3 consumed is the difference between the existing amount at the start of the day and the minimum amount. Hint: ppbv = microliters/m3 – change microliters to Liters, next from equation pv=nRT determine n – number of moles.

3. What are the highest concentrations for O3 and NO2 during this one week period? Do the concentration of NO2 and O3 exceed the standards set by the EPA? Compare them to the standard. Take a picture of your drawings and submit as a pdf file. Please include your name.

Q2. Boyles law is not valid when:
A) Temperature is constant
B) Gas is ideal
C) Intermolecular forces are strong
D) Pressure is low

draw In the curved arrows, and complete the missing structure