Essays Tagged: "h2o"


- -PHOTOSYNTHESISGeneral InfoDefn: 'To make with light'Reactants (Ingredients)CO2, H2O, Sunlight, chlorophyllProductsFood (C6H12O6 = glucose) and O2Overall ReactionPhotosynthesis is a ...

(2 pages) 68 1 4.5 Jan/1997

Subjects: Science Essays > Biology > Plant Biology

EN rapport om natron. Med forsøg beskrivelse, statestikker, reaktions skeamer, tabeler, fackz og en del andet

Det er faktisk meget simpelt. Det kan man se på spaltningen af 2NaHCO3.2NaHCO3 ® Na2CO3 + H2O + CO2Na2CO3 er soda, og det bliver dannet under ophedningen, som gør at det spaltes p&ari ... smage en del af soda også kaldet NatriumkarbonatReaktionsskemaer:2NaHCO3 (s) ® Na2O (s) + H2O (g) + 2CO2 (g)NaHCO3 (s) ® NaOH (s) + CO2 (g)2NaHCO3 (s) ® Na2CO3 (s) + H2O (g) + CO2 (g ...

(2 pages) 35 0 2.7 Nov/2002

Subjects: Science Essays > Chemistry

Mitochondria and Chloroplast a detailed comparison between the functions and purposes of the mitochondria and chloroplast.

biochemical reaction, respiration takes place. The balanced formula for respiration is C6H12O6 + 6 H2O à 6 H2O + 6 O2 + E, the catalyst being enzymes. Respiration is when oxygen is consumed as ... he opposite to respiration, being that in photosynthesis, energy is gained, not released, 6 CO2 + 6 H2O + E à C6H12O6 + 6 O2, with the catalyst being enzymes. Photosynthesis can only affect pla ...

(3 pages) 15601 2 4.6 Jun/2003

Subjects: Science Essays > Biology > Plant Biology

The Rate Of Reaction Between marble Chips and Hydrochloric Acid.

time how long it takes for the reaction to produce 100cm3 of carbon dioxide.CaCO3 +2HCL Co2 +CaCl2 +H2OCalciumHydrochloricCarbonCalciumWaterCarbonateAcidDioxideChloridePredictionI predict that when th ...

(6 pages) 103 1 4.3 Jul/2003

Subjects: Science Essays > Chemistry

Chemestry on sodiumthiosulphate turning hydrochloric acid milk.

cid. By using the variable of sodium thiosulphate concentrationEquationsNa2S2O3 + 2HCl = 2NaCl +SO2 H2O + SSodium thiosulphate + hydrochloric acid = Sodium Chloride + sulpur dioxide + water + sulpurBa ...

(12 pages) 40 0 3.0 Jul/2003

Subjects: Science Essays

Ozone Layer Depletion.

er a billion years ago, when blue-green algae began using energy from the Sun to split molecules of H2O and CO2 combined them into organic compounds and molecular oxygen (O2). Everyone knows the proce ...

(7 pages) 115 0 3.4 Oct/2003

Subjects: Science Essays

Descriptive Essay about a pitbull attacking basketball players at the basketball court 2 paragraph essay

lready commenced. They continued until sloppy play discouraged them from continuing. Here comes the H2O, they it sucked down like vampires drinking blood. Out the corner of one of the basketball playe ...

(3 pages) 75 0 4.3 Oct/2003

Subjects: Literature Research Papers > Creative Writing > Descriptive Essays

The properties and biological importance's of water to living organisms

eat importance both inside cells, and externally, for example as a habitatThe simple molecule of H2O has many interesting physical and chemical properties which contribute to its importance. It is ... organisms, and photosynthesis and support in plants.Water molecules have the well-known formula H2O, each moleculecontaining two hydrogen atoms and one oxygen atom.These atoms are covalently ...

(6 pages) 50 0 4.6 Feb/2004

Subjects: Science Essays > Biology

Acid Rain

ell. The equation is as follows:Sulfuric acid when it joins with hydrogen atoms in the air:SO3(g) + H2O(l) = H2SO4(aq)In the air, the nitrogen ion becomes nitric or nitrous acid:NO2(g) + H2O(l) = HNO3 ... ioxide enters this area it reacts with the limestone in the following example ~~~~>CaCO3 + SO2 + H2O + O2 = CaSO3 + CaSO4 + CO2 + H2OAfter being scrubbed, which is the term used for the phase after ...

(7 pages) 61 1 5.0 Feb/2004

Subjects: Science Essays > Atmospheric Sciences

How would the rate of reaction of Bisodel tablet affected by temperature?

n Dioxide + Calcium Chloride + WaterBalanced EquationCaCO3 (s) + 2HCl (aq) CO2 (g ) + CaCl2 (aq ) + H2O (l )PredictionI reckon the rate of reaction will be faster as the temperature rise. It is becaus ...

(8 pages) 33 0 3.7 Feb/2004

Subjects: Science Essays > Chemistry

Water: The Genesis of Life

e of its many unique properties, water was able to start life on our planet.The simple structure of H2O is the source of all water's properties. With two hydrogen atoms sticking to an oxygen atom in a ... positive. Since positive charge and negative charge attracts each other, the molecular formation of H2O will result hydrogen bonding.Cohesion is an important property of water that greatly helps organ ...

(3 pages) 99 0 4.4 Feb/2004

Subjects: Science Essays > Biochemistry


dioxide is a very unpleasant gas that is poisonous to plants and humans.What forms in the rainSO2 + H2O H2SO2 (Sulphurous Acid)NO2 + H2O H2NO3 (Nitrous Acid)CO2 + H2O H2CO2 (Carbonic Acid)As the gases ...

(12 pages) 133 0 3.0 May/2004

Subjects: Science Essays > Biology

This is a Biology Report that includes a hypotheses, thesis statement, materials, problem, data, conclusion, research, and procedure.

us the glow stick won't work properly.MATERIALS:2 Glow Sticks2 Beakers2 Celsius ThermometersIceCold H2OWarm H2OLight MeterProcedure: First, put a glow stick in 20 degrees Celsius water, the glow stick ...

(1 pages) 30 0 0.0 Jun/2004

Subjects: Science Essays

Chemistry Coursework

will remain constant therefore keeping the overall volume constant.Na2S2O3 + 2Hcl S + SO2 + 2NaCl + H2OScientific KnowledgeParticles, such as molecules, atoms or ions, must collide before a chemical r ...

(6 pages) 42 1 2.7 Nov/2004

Subjects: Science Essays > Biology

Boyle-Mariottes og Gay-Lussacs 1. lov.

Alle stoffer kan findes i tre former. Flydende, fast og som en gas. Vi tager et eksempel som H2O , det er en af de mest kendte stoffer og mest brugte i hele verden. H2O består af to hydro ... mest brugte i hele verden. H2O består af to hydrogen molekyler og én oxygen molekyle. H2O findes i tre former. Fast som is, flydende som vand og damp som en gasart. Det der forskellem p& ...

(1 pages) 2021 0 0.0 Apr/2005

Subjects: Science Essays > Physics

Chemistry: Notes I took in class on Heat and Energy.

omes from composition or position of objectEx: Energy stored in foods and fuels energy possessed by H2O behind a damChemical Potential Energy- Stored Energy held within the bonds that hold atoms or mo ...

(1 pages) 705 0 2.0 Nov/2005

Subjects: Science Essays > Chemistry


let water cross freely, except big molecules and ions. The cell membrane will also absorb Co2, O2, H2O, Nh2 (amino acids), C6H12O6 (glucose). But will not let larger molecules in like C12H22O11 (sucr ... 2 (amino acids), C6H12O6 (glucose). But will not let larger molecules in like C12H22O11 (sucrose), Ch2O (starch) and protein. If the solution contains a higher concentration than the cell, then cell w ...

(8 pages) 34 0 0.0 Feb/2006

Subjects: Science Essays > Biology

Chemistry Project: Acids and Bases & the pH Scale

dity andhigher numbers indicating alkalinity. Hydronium ions (H3O+) are formed when watermolecules (H2O) bond with hydrogen ions (H+). Hydronium ions are positively chargedbecause of their extra hydro ... chargedbecause of their extra hydrogen ion. Hydroxide ions (OH-) are produced when watermolecules (H2O) ionize to become hydronium ions (H3O+) and hydroxide ions (OH-).Substances with a high concentr ...

(6 pages) 67 1 2.3 Mar/2006

Subjects: Science Essays > Chemistry

Chemistry paper on Phosphoric Acid

ethod of the preparation is sulfuric acid added to the phosphate rock.3 H2SO4(l) + Ca3(PO4)2(s) + 6 H2O(l) 2 H3PO4(s) + 3 CaSO4*2H2O(s)Phosphoric acid is a clear, colorless, syrupy liquid, with a slig ...

(2 pages) 19 0 3.0 Apr/2006

Subjects: Science Essays > Chemistry

A comparison between the Enthalpy of formation of MgO acquired via a series of reactions and Hess's Law (will they be equivalent?)

nvestigation, we will see how accurate and precise Hess's Law can be.MgO(s) + 2 H+(aq) ( Mg2+(aq) + H2O(l) ΔH°2 = ?Mg(s) + 2 H+(aq) ( Mg2+(aq) + H2(g) ΔH°3 = ?+ H2(g) + ½ O2 ... ΔH°2 = ?Mg(s) + 2 H+(aq) ( Mg2+(aq) + H2(g) ΔH°3 = ?+ H2(g) + ½ O2(g) ( H2O(l) ΔH°4 = -286 kJ/molMg(s) + ½ O2 (g) ( MgO(s) ΔH°f = ?The series of ...

(2 pages) 3763 0 0.0 May/2007

Subjects: Science Essays > Chemistry