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PH

Doing Biodiversity

Subject: 
Biology
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water pollution
environmental science
Aquatic ecology
Environmental chemistry
water
Water Quality
Invertebrate
Acid rain
Indicator
pollution
PH
Aquarium

Biolab Response Sheet Name: Date: 15th Jan 2015 Name of Bio lab: Assessing Water Quality Page: Unit: Biodiversity and Conservation Brief Description of Your Procedure: Summarize what you did for this activity. Describe any modifications of procedure you used. I used the pipette to dispense three drops of carbonic acid into the aquarium. Then I looked at the pH level and the population data and recorded them. Analyze and Conclude Questions Question 1

AP Chemistry Zumdahl 7E Chapter 14 Notes

Subject: 
Chemistry
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Equilibrium chemistry
Bases
Acids
Mineral acids
Chemical compounds
Acid strength
Acid–base reaction
Brønsted–Lowry acid–base theory
Acid dissociation constant
Acid
PH
Weak base

1 Chapter 14 - Acids and Bases 14.1 The Nature of Acids and Bases A. Arrhenius Model 1. Acids produce hydrogen ions in aqueous solutions 2. Bases produce hydroxide ions in aqueous solutions B. Bronsted-Lowry Model 1. Acids are proton donors 2. Bases are proton acceptors 3. H3O+ is called the hydronium ion C. Conjugate Acid-Base Pairs 1. A conjugate base is what remains after an acid has donated a proton a. Cl- is the conjugate base of HCl 2. A conjugate acid is what is formed when a base accepts a proton base acid acid base 3. HCl is a stronger base than H3O+ (H+) so the equilibrium lies far to the right D. Acid Dissociation Constant 1. ][ ]][[ HCl ClHKa -+ = a. water is not included because, in dilute solution, the concentration of

Chemistry

Subject: 
Chemistry
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Household chemicals
Laboratory glassware
Antiseptics
Otologicals
Antioxidants
catalase
Peroxide
Hydrogen peroxide
Pipette
Acid
Graduated cylinder
PH

Grace Doran 10/28/15 Grade 9 Liver Catalase Lab Purpose: The experiment was conducted in order to test whether or not the liver catalase performed different when denatured. Also to test what happens when we change the pH of the reaction. Introduction/ Background Information: A liver is vital in getting rid of toxic substances in the body. It uses enzymes which are proteins that help to complete chemical reactions. The enzyme used in the liver is a catalase enzyme. This enzyme helps to break down hydrogen peroxide (H2O2) into water and oxygen. However enzymes may under extreme heat or pH levels may become denatured and nonfunctional.

Bio Inquiry Lab on Enzymes

Subject: 
Biology
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Catalysis
Equilibrium chemistry
Enzyme catalysis
PH
Enzyme
Chemical reaction

Meredith Robbins Inquiry Lab (PH) 10/27/14 Research Question: What conditions would affect the rate of an enzymatic reaction? Null Hypothesis: The Ph and the temperature will not have an effect on the rate of enzymatic reactions. #1 Alternative Hypothesis: The Ph and temperature will have an effect on the rate of enzymatic reactions. #2 Alternative Hypothesis: The Ph and temperature will not have an effect on the rate of enzymatic reactions. Control group: The Ph level of 7 (neutral) Experimental group: Ph- 3, 5, 7, 9, 11 (I will get data for Ph 5 and 7) IV: the Ph level DV: the rate of the enzyme reactions

AP Bio Chp 3

Subject: 
Biology
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Equilibrium chemistry
Inorganic solvents
Oxides
Acids
Physical chemistry
Properties of water
PH
Hydronium
water
Hydrogen bond
Acid
Solution

AP Biology Reading Guide Chapter 3: Water and the Fitness of the Environment Fred and Theresa Holtzclaw Copyright ? 2010 Pearson Education, Inc. - 1 - Name_______________________Period___________ Chapter 3: Water and the Fitness of the Environment Concept 3.1 The polarity of water molecules results in hydrogen bonding 1. Study the water molecules at the right. On the central molecule, label oxygen (O) and hydrogen (H). 2. What is a polar molecule? Why is water considered polar? 3. Now, add + and ? signs to indicate the charged regions of each molecule. Then, indicate the hydrogen bonds. 4. Explain hydrogen bonding. How many hydrogen bonds can a single water molecule form?

2.2 Western High Biology H vocab

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Biology
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Chemistry
Chemical bonding
Chemical elements
Inorganic solvents
Nonmetals
Oxides
Properties of water
Hydrogen bond
Chemical bond
Chemical polarity
PH
Acid

?Opposite charges of polar molecules can interact to form hydrogen bonds. ?Often oxygen or nitrogen, but many other molecules. ?Weaker than covalent bonds but strong among water molecules 2.2 Vocabulary Isabella Hardman Period 7 9/2/14 ?Measures acidity ? U sually between 0 and 14 ? - 0 is very acidic (High H+) and 14 is in very basic (low H+) ?pH of 7 is neutral -Must be tightly controlled in organisms with buffers.-
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AP BIO Chapter 03

Subject: 
Biology
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Chemistry
Bases
Equilibrium chemistry
Acid-base chemistry
Inorganic solvents
Oxides
PH
Properties of water
water
Hydroxide
Acid
Chemical reaction

Campbell's Biology, 9e (Reece et al.) Chapter 3 Water and Life Life evolved in the ocean, and the chemistry of life occurs in an aqueous environment. These questions explore the properties of water that are important to sustain life?s chemical processes, organismal physiology, and interactions of organisms with their environment. Quantitative properties such as heat content, molarity, and pH are also addressed. A few questions address how human activities affect the global environment through acid rain and acidification of the ocean. Multiple-Choice Questions 1) In a single molecule of water, two hydrogen atoms are bonded to a single oxygen atom by A) hydrogen bonds. B) nonpolar covalent bonds. C) polar covalent bonds. D) ionic bonds. E) van der Waals interactions.

AP BIO CHP 3 CAMPBELL BIOLOGY 9e

Subject: 
Biology
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Chemistry
Bases
Equilibrium chemistry
Acid-base chemistry
Inorganic solvents
Oxides
PH
Properties of water
water
Hydroxide
Acid
Chemical reaction
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Personal life
Attachment theory
Evolutionary biology
Technology

Campbell's Biology, 9e (Reece et al.) Chapter 3 Water and Life Life evolved in the ocean, and the chemistry of life occurs in an aqueous environment. These questions explore the properties of water that are important to sustain life?s chemical processes, organismal physiology, and interactions of organisms with their environment. Quantitative properties such as heat content, molarity, and pH are also addressed. A few questions address how human activities affect the global environment through acid rain and acidification of the ocean. Multiple-Choice Questions 1) In a single molecule of water, two hydrogen atoms are bonded to a single oxygen atom by A) hydrogen bonds. B) nonpolar covalent bonds. C) polar covalent bonds. D) ionic bonds. E) van der Waals interactions.

Basic Chem Review

Subject: 
Chemistry
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Chemistry
Bases
Chemical properties
Cations
Physical chemistry
Hydroxide
PH
Chemical bond
Hydrogen
Hydronium
ion
Proton
Technology
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Attachment theory
Ethology
Personal life

Atoms: An atom has 7 protons, 7 electrons, and 8 neutrons. Fill in the blanks below for this atom: Atomic Number _______ Mass number: _______ Charge: ________ This atom belongs to which element? Notation Atomic # Mass # # protons # neutrons # electrons Types of Bonds: Determine the Type of Bond. Hydrogen and Oxygen type of bond = __________________ Carbon and Hydrogen type of bond = __________________ Sodium and Chlorine type of bond = __________________ Solutions/Molarity Practice What is the molarity if 0.5 moles of sodium chloride is dissolved to make 0.05 liters of solution? What is the molarity if 734 grams of lithium sulfate (Li2SO4) are dissolved to make 2500 mL of solution?

Math Problems

Subject: 
Biology
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Chemistry
State functions
Chemical kinetics
Equilibrium chemistry
Entropy
Philosophy of thermal and statistical physics
Reaction rate
PH
Carbon dioxide
energy
Magnesium in biology
Catalysis
behavior
Human development
Interpersonal relationships
Love
Psychoanalysis
Human behavior
Personal life
Attachment theory
Evolutionary biology
Technology

AP Biology Statistics Review 2013! ( AP BIO EQUATIONS AND FORMULAS REVIEW SHEET #1 Formulas: Mode = value that occurs most frequently in a data set Median = middle value that separates the greater and lesser halves of a data set Mean = sum of all data points divided by the number of data points Range = value obtained by subtracting the smallest observation (sample minimum) from the greatest (sample maximum) Standard Deviation = where = mean and n = size of the sample Example problem: One of the lab groups collected the following data for the heights (in cm) of their Wisconsin Fast Plants: 5.4 7.2 4.9 9.3 7.2 8.1 8.5 5.4 7.8 10.2 Find the mode, median, mean, and range. Show your work where necessary Mode:____________ Median:___________ Mean:____________

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