Lab Report: pH Name: _________________________________________________________ Materials Needed You will need the following materials for this lab. • • • • • • • • • • • • • Red cabbage Coffee filter or paper towel Container for water (at least 250 ml or 1 / 2 pint) Three transparent cups (about 100 ml or 3 ounces) or other similar containers Hot water (e.g.‚ from a faucet‚ heated in a microwave oven‚ etc.) Thermometer Vinegar Baking soda Safety goggles Tongs or fork Eyedropper or drinking
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how far each compound traveled to how far each solvent (substance that dissolves another substance) traveled during the experiment. Rf = Ds/Df Ds = Distance traveled by the compound Df = Distance traveled by the solvent Materials: coffee filter‚ tape‚ rubbing alcohol‚ water‚ 3 different color magic markers (not permanent); 3 identical tall‚ narrow drinking glasses; metric ruler‚ 3 pencils Pre-lab Questions: 1. List one extensive and one intensive property of marker ink. Extensive
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Visiting a local coffee shop‚ it was easy to relate dramaturgy to the scene. Opening the door‚ I was greeted by a fantastic scent of freshly ground coffee and sweet treats. Music played softly over the ceiling speakers. Workers were talking with each other in the back area‚ but when I walked to the counter they stopped and assumed their roles as cashier and barista. Aprons and hats with the company logo on them made up their costumes along with headsets and gloves for the barista. Props such as the
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Hot Coffee The movie was split into four different exhibits (or topics basically). Each exhibit was centered on a case that was heavily influenced by that specific tort reform issue. The four exhibits were as follows: 1. The Public Relations Campaign 2. Caps on Damages 3. Judicial Elections 4. Mandatory Arbitration The first exhibit was centered on public relations and featured the case that gave the movie its name‚ the Stella Liebeck v. McDonalds case in New Mexico. The information presented
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surface area of a coffee filter affects the average velocity of the coffee filter from the same height. • Variables: o Independent Variable ▪ Surface area- The area of the surface after the folds have been made o Dependent Variable ▪ The Average velocity- calculated by measuring the time and dividing by the distance to find the Average Velocity o Controls ▪ Coffee Filter ▪ Mass of Filter ▪
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Coffee drinkers all have one thing in common; they want their coffee made to their specification. Most soft drinks‚ milkshakes‚ and draft beer are ready made. Coffee has many flavors and that can be an operational nightmare. Starbucks has 10 different types of coffee beans‚ 12 blends of flavors and loads of special toppings. How can the Starbucks operations be consistent with so many variations? My observation will evaluate the Starbucks’ processing time. The objective problem statement is
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The following describes filter types‚ what they do and how they perform. Along with definitions and detailed graphs‚ we are hopeful this information is both useful and informative. Filter Types Monolithic Crystal Filters 2 Quartz resonator internally coupled utilizing piezoelectric effect. Discrete Crystal Filter Single quartz resonator with external components utilizing the piezoelectric effect. Notch filters Crystal or Discrete component filter that passes all frequencies
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The focus of this observation research is general coffee shop behavior. Two main reasons caused the group to arrive at this topic: first‚ the members’ shared passion for coffee and the coffee experience; second‚ the practicality that can be afforded since some members are working on a coffee-oriented business for their BA 129 feasibility study. Coffee shop behavior is something that can be readily observed and it occurs within a short time interval so that research by observation is viable. Since
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Links: ANALOG FILTERS Up to Book Cover Filter Wizard App Data Converters Page CHAPTER 8 ANALOG FILTERS SECTION 8.1: INTRODUCTION SECTION 8.2: THE TRANSFER FUNCTION THE S-PLANE FO and Q HIGH-PASS FILTER BAND-PASS FILTER BAND-REJECT (NOTCH) FILTER ALL-PASS FILTER PHASE RESPONSE THE EFFECT OF NONLINEAR PHASE SECTION 8.3: TIME DOMAIN RESPONSE IMPULSE RESPONSE STEP RESPONSE SECTION 8.4: STANDARD RESPONSES BUTTERWORTH CHEBYSHEV BESSEL LINEAR PHASE with EQUIRIPPLE ERROR
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FILTERS: Filters of some sort are essential to the operation of most electronic circuits. Filters and Signals: What Does a Filter Do? In circuit theory‚ a filter is an electrical network that alters the amplitude and/or phase characteristics of a signal with respect to frequency. Ideally‚ a filter will not add new frequencies to the input signal‚ nor will it change the component frequencies of that signal‚ but it will change the relative amplitudes of the various frequency components and/or
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