"Crystal violet lab" Essays and Research Papers

Sort By:
Satisfactory Essays
Good Essays
Better Essays
Powerful Essays
Best Essays
Page 35 of 50 - About 500 Essays
  • Good Essays

    Antacid Lab

    • 793 Words
    • 4 Pages

    The Great Antacid Culminating Lab Purpose: To determine which antacid tablet is the most effective. Materials: 3 different antacid tablets‚ thymol blue‚ droppers‚ pH probe and necessary cables‚ pH probe holder‚ retort stand‚ 1 mol/L HCl‚ droppers‚ five 150 mL beaker‚ mortar and pestle‚ graduated cylinder‚ balance‚ weighing dish‚ stir rod Procedure: 1) Gather all the equipment you will need to do the lab. You will be working in groups of 3 2) Calibrate the pH probe as you practiced the day

    Free PH PH indicator Hydrochloric acid

    • 793 Words
    • 4 Pages
    Good Essays
  • Satisfactory Essays

    Lab Equipment

    • 323 Words
    • 2 Pages

    Kalle Watts Measurement Lab 9‚ 27‚ 2012 In this measurement lab we attempted to make the most precise and most accurate measurements. We used the materials and equipment that we had to make all of our measurements. We had to deal with significant figures and also‚ we had to designate each measurement with its proper unit. The objective of this lab was to use all of our equipment we had and make the most accurate measurements

    Premium Units of measurement Length Measurement

    • 323 Words
    • 2 Pages
    Satisfactory Essays
  • Good Essays

    Enzyme Lab

    • 938 Words
    • 4 Pages

    Enzyme Activity Lab Hypothesis: 1] Are enzymes reusable? Yes‚ enzymes are reusable. 2] Which of the following do you think contain catalase? [Manganese dioxide‚ chicken meat‚ apple‚ carrot‚ potato‚ or chicken liver] I think that the manganese dioxide‚ apple‚ and carrot contain the catalase. 3] Would grinding the materials affect enzyme activity? I think that grinding the materials will increase enzyme activity. 4] Would temperature affect enzyme activity? I think that

    Premium Enzyme Catalysis Chemical reaction

    • 938 Words
    • 4 Pages
    Good Essays
  • Good Essays

    Phy31 Lab

    • 1618 Words
    • 7 Pages

    Lab 2 Physics 190 Acceleration “g” Due to Gravity – Method 2 Introduction Tonight we will measure the acceleration due to gravity again. This time however‚ we will collect more data and the analysis will be different. We will first fit the data using a second order polynomial. Recall for a mass falling from rest‚ that 1 (1.1) y  a yt 2 2 Suppose a mass falls through n successively greater displacements‚ each time starting from rest. The displacements can be expressed a 2 y  y t ;  

    Premium Polynomial Real number Natural logarithm

    • 1618 Words
    • 7 Pages
    Good Essays
  • Good Essays

    Photosynthesis Lab Report

    • 418 Words
    • 2 Pages

    Submit your completed lab report to the Lab: Photosynthesis Lab assignment link for grading. For information on how this assignment will be graded‚ please visit the Course Information sectionChlorophyll and Accessory Pigments A pigment is any substance that absorbs light. The color we see comes from the wavelengths of light that reflect. Chlorophyll‚ the green pigment common to all photosynthetic cells‚ absorbs all wavelengths of visible light except green. The green reflects back to our eyes

    Premium Light Photosynthesis Color

    • 418 Words
    • 2 Pages
    Good Essays
  • Good Essays

    Density Lab

    • 832 Words
    • 4 Pages

    Measurement and Density Your Name: ____________________________________________________________ __ Purpose of this Lab What is the goal of this lab? What question are you trying to answer‚ or what problem are you trying to explain? Hypothesis After reading the lab instructions - but before starting the lab - record your best “educated guess” about each experiment: Experiment 1: Which method of finding the density give you the least percent error and why? Experiment 2: After completing the

    Premium Chemistry Experiment Test method

    • 832 Words
    • 4 Pages
    Good Essays
  • Good Essays

    Thermodynamics Lab

    • 1032 Words
    • 5 Pages

    (aq) NH3+ + H+ + Cl- →NH4+ + Cl- NH3+ + H+ → NH4+ H+ + OH- → H2O (l) ∆H= -54.0 kJ/mol NH4++ OH- → NH3+ + H2O (l) (x-1) ∆H=-4.09 kJ/mol (x-1) -54.0+4.09=-49.9 NH3+ + H+ → NH4+ =- 49.9 kJ /mol (-49.9- -26.2)/-49.9 x 100 =47.3% Lab Questions: Pre: 1. The change in thermal content in a reaction 2. The amount of energy needed to change one gram of a substance 1 degree C 3. (50 mL)(1.02 g/mL)(4.18 J/g C)(25.3-21.4) = 830 J 4. 830J+8.20J/g C(25.3-21.4)= 860J 5. .25L(.6mol/1L)+

    Premium Temperature Chemical reaction Celsius

    • 1032 Words
    • 5 Pages
    Good Essays
  • Good Essays

    Evolution Lab

    • 605 Words
    • 3 Pages

    document to report your findings from the EvolutionLab Exploration Experiment. The lab report consists of three sections: Data‚ Exploration‚ and Lab Summary. Data: copy any data‚ graphs‚ charts‚ or notes that you have saved in your EvolutionLab online notebook into this section. Exploration: Answer the questions. The questions in the Exploration section are the same questions in your EvolutionLab instructions. Lab Summary: Write a 100- to 200-word summary. Data To copy your data from your

    Premium Evolution Natural selection Charles Darwin

    • 605 Words
    • 3 Pages
    Good Essays
  • Satisfactory Essays

    Penny Lab

    • 346 Words
    • 2 Pages

    Title: Penny Lab Experiment By -Objectives To determine how soap affects the surface tension of water. -Hypothesis In this experiment the hypothesis was that soap was going to affect the surface tension by weakening the bonds and allowing less water on the penny. -Materials * Penny * Beaker x2 (One containing soapy water the other containing pure tap) * Paper towels * Lab review sheet * Pencil * Pipette -Procedure First we picked who would drop the water onto

    Free Scientific method Hypothesis Theory

    • 346 Words
    • 2 Pages
    Satisfactory Essays
  • Better Essays

    Irresistible Lab

    • 1541 Words
    • 7 Pages

    Irresistible? By Elizabeth Potter December 5‚ 2012 Lab Section 503 Abstract The over all goal of the Irresistible lab was to verify a buffer’s ability to resist changes in pH with consecutive 1mL additions of either a strong acid (HCl) or base (NaOH). The experiment entailed preparing a combination 10 buffered and non-buffered solutions and then monitoring the pH changes as a strong acid or base was added to the solution. By performing this experiment‚ it was found that with increasing amounts

    Premium Chemistry Acid dissociation constant Acid

    • 1541 Words
    • 7 Pages
    Better Essays
Page 1 32 33 34 35 36 37 38 39 50