chemistry of environment
components of the natural environment
air -water -soil
what is dissolved into river water
-gases from the air -minerals from rocks -metal compounds -fertilisers -sewage -plastic waste
helpful solutions in rivers
-oxygen -minerals
harmful solutions in rivers
toxic metals -plastics -microbes -nitrates and phosphates
how do we make river water drinkable
water needs treatment to be fit for human consumption
steps to make water drinkable
-find cleanest source of water -remove as many solid particles as possible -remove unwanted dissolved compounds -add chlorine to kill microbes -store wate safely
ways to remove solid particles from water
-filtering -sedimentation -flocculation
flocculation
stitching fine particles together and removing them from the surface
compounds required for plants from fertilisers
-nitrogen -potassium -phosphates
fertilisers
any substance added to soil to make plants more fertile
cons of fertilisers
eutophication -unbalanced nutrients -ph changes -affects crop yield
what makes up the air
21% oxygen 78% nitrogen 1 argon carbon dioxide and other substances
what makes oxygen so important in the air
used in respiration -nesseccary for human life - enables chemical reactions and keep us warm
method to measuring oxygen concentration in air
1-heat a tube containing copper wire then push air from a-b and b-a until copper wire turns black 2-stop heating tube after 3 minutes 3-measure air volume 4-repeat until gas is steady
the main fossil fuels
-coal -petroleum -natural gas -hydrocarbons
how is carbon dioxide formed
in complete combustion of fuels containing carbon
harm caused by carbon dioxide
increases global warming
how is carbon monoxide formed
incomplete combustion of fuel containing carbon
harm caused by carbon monoxide
posionous -prevents oxygen being carried around the body
how are particlates formed
incomplete combustion of fuels containing carbon
harm caused by particlates
links to cancer and respiratory systems
how is sulfur dioxide formed
sulfur compounds in fuels burned
harm caused by sulfur dioxide
forms acid rain
how are nitrogen oxides formed
nitrogen and oxygen reacting in hot motors
what harm is caused by nitrogen oxides
forms photochemical smog
how do catalytic converters work
compartments of a and b a contains nitrogen oxides which are reduced and flow to b. b removes carbon monoxide and hydrocarbon
how is methane formed
microbes break down carbon based materials in the absence of oxygen -grazing animals
how do greenhouse gases work
1 the sun sends out uv rays 2 it heats the earth which reflects some back - the reflected heat escapes the atmosphere -some heat is absorbed by greenhouse gases
effects of climate change
-dry areas become drier - land ice in the artic melting leads to higher sea levels -glaciers melt reducing melt water -extreme weather becomes more common
non-carbon fuel sources
-wind waves tides and flowing rivers -solar power -nuclear power
affects of deforestation
-increase in carbon emmisions
how to reduce methane
-reducing the amount of meat eaten -farmers rearing fewer cattle sheep and goats -eating fish and chicken
| Quiz |
|---|
| week 6 spanish vocab |
| So religion jämförande test |
| Latin |
| sharps and flats |
| triads |
| Vocabularyvocabulaire |
| scientific notation |
| Fench quiz 1 |
| structures and forces - copy |
| vin |
| Pharmaco |
| structures and forces |
| history |
| Vocab |
| africa safari parks |
| cape town |
| UNIT 1 Family stuides - copy |
| african safaris |
| south africa |
| ai airport codes |
| airline codes |
| airline codes |
| north america |
| south and central america |
| codes for caribbean |
| codes for africa and middle east |
| Maths - sharing ratios |
| Science - Chemical BondingChemical bonding
Chemical Bonding. Atoms and molecules join together through ionic and covalent bonding. Related topics include electronegativity, oxidation numbers, and |
| Glassbilen |
| Duits |
| Buddhism reading quiz #1 |
| Joselyn |
| No provno prov |
| Léana |
| friskvård och hälsa |
| Family tree |
| Frans mail |
| frans 4 |
| HP verbal |
| Spiritualiteit les 1 |
| frans 3 |
| frans 2 |
| french words |
| FRENCH |
| Internationaal 1 |
| 1FE155 Management Control and Financechapter 9 - lecture 3 |
| traitement pour les maladies cardiovasculaires |
| système cardiovasculaire |
| french cinquante-deux A,B and E |
| sociale psychologie |
| Kinjo tempura |
| Tahitien - verbe |
| Latin Endings |
| UNIT 1 Family stuides |
| What is what |
| bcehs |
| interaction juridique |
| Pharmacologie |
| Gen Bio Long Quiz |
| Anatomie Hart |
| shakespeare guilt |
| bio unit1 |
| Axial/Appendicular Skeleton 4/5 |
| Snabba cash |
| TKM |
| Englisch Vokabelquiz |
| Basiswoorden oefenen bijvoegelijk naamwoordenMet deze flashcards kan jij de bijvoegelijk naamwoorden van onze taal leren. |
| greography |
| neuro |
| Families Unit 1 |
| TW2les 1/2/3/4/5/6/7 af |
| Duits |
| AS BUSINESS | Unit 1 exam revision |
| Human Geography: Case studies |
| marknasföring |
| derivative rules |
| analyses linéaires |
| Psychologie H1 |
| frans chaptire 3 |
| frans chaptire 3flashkaarten A |
| Begrepp, religion prov begrepp |
| metal extraction |
| behaviour of metals |
| anglais vacances de fevriertheme et version multiple |
| Theorists |
| Ak Hoofdstuk 3 |
| magtarm |
| connecteur logique |
| practical lab 3 part 2phylum annelida |
| practical lab 3 part 1body plans and phylum nematoda |
| chapter 27rise of animal diversity |
| Weekly Spelling Test |
| plant cellhi gang |
| chemistrystates of matter |
| religonculture,religon, 7 traits |
| reproduction |
| science chp.8les caractéristiques de la terre |
| Animal cellhi gang |
| periodic table |
| periodic table |
| waves physics |
| biologiebassistof 12345 |
| PhysicsPhysics[Electricity] |
| racines grecques |
| anna |
| svår |
| acid bases and salts |
| UE7- histoire illustrée de l'anatomie: une science et un art |
| skeletal muscles are stimulated to contract by nerves and act as effectors |
| Viollet le Duc |
| Anatomie Ademhaling |
| Matte 3C Regler |
| Unit 6 del 3 |
| Strategie H3 |
| hydrocarbures |
| SCIENCE QUIZ FEB 29 |
| Geography |
| Exan ReviewChapters 1-7 Exam Review |
| BIO 3 |
| Presentation 2 |
| differential association theory and psychdynamic explain |
| chapter 26colonization of land |
| kap 15 |
| Navy shit |
| reversible reactions and equilibrium |
| spaans zinnen hz3 |
| Vocabulaire de LORE |
| p |
| Anatomi och Fysiologi CNS |
| r |
| Chapter 4 - Tissues |
| Computer Science1.2.1 |
| Geo Unit 1 (Interrelationships, Pattersn + Trends, SEEP) |
| instuderingsfrågorna |
| module 3 study guide |
| UE7-l'image du coprs au fil du temps |
| battaille de la somme |
| rate of reaction |
| energy changes in reactions |
| Zone 4 Lecco |
| Zone 3 Lecco |
| Zone 2 Lecco |
| Zone 1 Lecco |
| sun |
| latn. 6 |
| ekonomi |
| work |
| chapter 25origin and diversification of eukaryotes |
| chapter 24early life and the diversification of prokaryotes |
| anatomy |
| chapter 23broad patterns of evolution |
| Finska 50 ord 1 |
| istalacion aire acondicionado |
| science |
| Bio Diversity Quiz - copy |
| Chemistry chp 1Names of significant discoveries and who discovered them |
| Bio Diversity QuizAnswer the following questions.g |
| MichaelaHistory unit one test memorization |
| Mesocorticolimbic System |
| key terms 12.2 |
| MOQ |
| berlin |
| plant id week 1plant ID flashcards |
| Ballet Terms |
| french mardu gras |
| CALCULATIONS |
| GIS |
| chapter 22speciation |
| les inégalités sesles inégalités |
| church historyidk |
| ses l'ecolechap sur l'école |
| Frans être & faire |
| provsjukvård |
| chapter 21evolution of populations |
| polish |
| vocab |
| Quiz 6 |
| Revenue Recognition IFRS 15 |
| géographie définitionsgéographie définitions G4 G5 |
| electricity and chemical change |
| Revision - Christian Teachings and Beliefs |
| hairlove |
| Gramatische Grundbegriffe |
| redox reactions |
| anat générale |
| Quiz 5 |
| embryo |
| bio cell |
| Latin Chapter 4 Vocab - copy - copy |
| Physical Geography: Case studies |
| Latin Chapter 4 Vocab |
| memory chaleng |
| dates histoiredates h3 a h6 histoire |
| histoiredéfinition h3 a h6 |
| Strategie H2 |
| duits schritt 12 tot schrit 16german |
| Judendomen |
| consonants |
| Survey of Philippine Literature |
| Medical Terminology |
| unit d - digestive system |
| russian Vocablery |
| Russian Vocab |
| Système digestif |
| devoir |
| chapter 20evidence for evolution |
| servir |
| partir |
| sentir |
| Sortir |
| using moles |
| Dormir |
| Pouvoir |
| vouloir |
| Midterm Practice Day 1I am choosing 6 questions per chapter of the testbank. |
| KINE1102- midterm lecture 7 |
| Quiz 4 |
| reacting masses and chemical equations |
| Système respiratoire |
| Quiz 3 |
| KINE1102- mideterm lecture 6 |
| Quiz 2 |
| Conceptual Underpinings |
| Strategie H1 |
| Quiz |
| chapter VI A Deductions |
| HaloalkanesCFC's |
| iil |
| Room Categories |
| Formes Taekwon-do |
| KINE1102- midterm lecture 5 |
| neymar |
| anatomi |
| KINE 1102- midterm lecture 4 |
| chapter 19darwin and his theories |
| spelling words |
| spelling words eli |
| Metabolism |
| KINE1102- midterm lecture 3 |
| biologie: planten |
| 6003 OS & Appl Security Week 7 Service Security Conceptsexam Practice |
| adjectives - JPN |
| Blood quiz - copy |
| Español Examen |
| Literary Terms C |
| tj judet onsdag |
| maths revison |
| Science-Biology |
| UE7-la vaccination toute une histoire |
| compounds mixtures and chemical change |
| introduction to elements |
| Presentation 1 |
| psychological explanations for offending behaviour |
| lärande och utveckling 3 |
| Imunoimuno |
| Blood quiz |
| Name the formulas |
| Set 5 Vocab |
| Nonfiction text features |
| 6003 OS & Appl Security week 7 Windows ServicesExam Study |
| 1.1 Nature of Economics |
| TKMB |
| sciencebb |
| Physical science quiz |
| chapter 1history if life, evolution, typological and population thinking |
| states of matter |
| no |
| KINE1102 midterm lecture 2 |
| Latin |
| WHF 2 |
| 4.8 (Frans naar Nederlands)Als ik spelfouten heb gemaakt, laat maar weten.
p.s. je hoeft er niet bij te zetten of woorden mannelijk of vrouwelijk zijn als er les, of l' staat. :) |
| KINE1102 midterm |
| home work |
| 4.6 (Frans naar Nederlands)Als ik spelfouten heb gemaakt, laat maar weten.
p.s. je hoeft er niet bij te zetten of woorden mannelijk of vrouwelijk zijn als er les, of l' staat. :) |
| öva mera på |
| 4.4 (Frans naar Nederlands)Als ik spelfouten heb gemaakt, laat maar weten.
p.s. je hoeft er niet bij te zetten of woorden mannelijk of vrouwelijk zijn als er les, of l' staat. :) |
| 4.2 (Frans naar Nederlands)Als ik spelfouten heb gemaakt, laat maar weten.
p.s. je hoeft er niet bij te zetten of woorden mannelijk of vrouwelijk zijn als er les, of l' staat. :) |
| nytt mag o tarm glosor test 4 |
| French and British Fur Trade: Chapter 4squiggle |
| social feb 22 |
| Computer Science1..4.2 |
| UE7-Paléoanthropologie: aux origines de l'Humanité |
| Franska prepositioner |
| 4.1 (Frans naar Nederlands)Als ik spelfouten heb gemaakt, laat maar weten.
p.s. je hoeft er niet bij te zetten of woorden mannelijk of vrouwelijk zijn als er les, of l' staat. :) |
| Computer Science1.4.1 |
| Cell Biology 25 (Manual flashcards) |
| Cell Biology 25 |
| Computer Science1.1.2 |
| Philo |
| Apah africa people-artworks |
| temptations |
| missouri laws |
